Which one is better? PP HP564S>

Formosa Plastics PP HP564S Since its establishment, our company has been based on the business philosophy of honesty and mutual benefit, and has won the trust and support of our customers. Currently, we have branches in Shanghai, Zhejiang, Dongguan, Hong Kong and other places. To meet the needs of our customers, we have so far cooperated with DuPont, SABIC, BASF, LANXESS, Bayer, Polytechnics, Asahi Kasei, Chimei, Taiwan We have established long-term cooperative relationships with many brand raw material suppliers, including Taiwan Chemical, and the first-hand supply ensures the quality reliability and stability of the materials. The following is a brief introduction to the company's products. Please call us for prices and parameters! Properties of POM: It is a crystalline thermoplastic plastic with an obvious melting point of 165~175°C. Its properties are closest to metal, and it is generally called plastic steel. Advantages 1. High mechanical strength and rigidity 2. The highest fatigue strength 3. Environmental resistance, durability Good organic solvent resistance 4. Strong resistance to repeated impact 5. Wide operating temperature range (-40℃~120℃) 6. Good electrical properties 7. Good recovery properties 8. Self-lubricating and good wear resistance 9. Advantages and Disadvantages of Dimensional Stability 1. It is prone to thermal decomposition if it is exposed to high temperature for a long time during processing 2. No self-extinguishing property 3. Poor acid resistance 4. Large molding shrinkage Use electronic appliances: washing machines, juice machine parts, timer components Automobiles: Handlebar parts, electric window parts, industrial parts: mechanical parts, gears, handles, toys, screws. We solemnly promise that all the raw materials sold by our company are genuine and original. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PBT main features are: ?Low water absorption?Excellent dimensional stability?High stiffness and strength?Outstanding thermal aging properties?High color stability at high temperatures?Excellent weathering resistance?Good high sliding properties?Good Chemical resistance. It is a highly crystalline thermoplastic plastic with a melting point of 220~230°C and a faster crystallization rate than PET. Advantages 1. Stable mechanical properties, tensile strength and tensile modulus similar to nylon 2. Small friction coefficient and self-lubricating 3. Low water absorption 4. Excellent electrical properties 5. Good dimensional stability 6. Chemical resistance and oil resistance Excellent resistance, shortcomings: 1. Low Tg (30°C), HDT is 60°C under load 2. Poor impact strength, generally reinforced with glass fiber as FR-PBT. Applications: electronic appliances: fuseless breaker, Electromagnetic switches, flyback transformers, home appliance handles, connectors, casings Automobiles: door handles, bumpers, distributor covers, fenders, wire shields, rim covers Industrial parts: OA fans, keyboards, fishing reels , parts, and lampshades solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PA6 basic properties: outstanding toughness, moisture in equiliblium. Excellent chemical and oil resistance. Outstanding wear and abrasion resistance. Almost all scores automatically go off. This flame retardant rating is rated UL Certified 94VO. Outstanding long-term heat resistance (long-term continuous maximum temperature ranges from 80 to 150 C). Grades of reinforced fiberglass and other materials that provide superior modulus of elasticity and strength. Provides low gasoline penetration and excellent gas barrier properties. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PA66 has outstanding balanced mechanical properties. Outstanding toughness and moisture content in equiliblium. Outstanding chemical and oil resistance. Outstanding wear and abrasion resistance. Almost all levels are automatically extinguished. This flame retardant rating is rated US UL 94VO. Excellent long-term heat resistance over long-term continuous maximum temperature range (80 to 150°C). Grades reinforced with fiberglass materials provide superior elastic modulus and strength. Low permeability provides gasoline and excellent gas barrier properties. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PC is an amorphous thermoplastic. Advantages: 1. High strength and elasticity coefficient, high impact strength, wide operating temperature range; 2. High transparency and free dyeing; 3. High HDT; 4. Good fatigue resistance; 5. Weather resistance. Good 6. Excellent electrical properties 7. Tasteless and odorless, harmless to the human body, hygienic and safe 8. Low molding shrinkage, good dimensional stability Disadvantages Poor design of molded products can easily cause internal stress problems Applications Electronic appliances: CDs, switches, home appliance casings , signal tubes, telephones, automobiles: bumpers, distribution boards, safety glass industrial parts: camera bodies, machine tool casings, safety helmets, diving goggles, safety lenses. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. . Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PC plus ABS properties: excellent mechanical properties, high temperature resistance, outstanding impact strength and excellent dimensional stability during application. Applications: 1. Automotive industry car front end, instrument panel, console box, glove box lid, door, wheel cover and hood, defrost, rear view mirror housing 2. Electronic and electrical display housing, fax machine housing, laptop computer housing, honeycomb Telephone casings, fax machines and copy frames, CD-ROM drive trays and main frames, relay casings, connectors, switches, MP3 casings, 3. Industrial components and other helmet casings, junction boxes, power tool casings, industrial spools, The manifold box, power tool parts, gears, and water meter casing solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .TPU resin offers designers the exceptional properties of a material with a wide range of applications. Typical uses for thermoplastic polyurethanes are automotive dashboards, casters, power tools, sports equipment, medical devices, and various applications in extruded films, sheets and configurations. The production equipment is ISO 9001:2000/QS 9000 certified. The most important advantages are: high wear resistance, high elasticity, enrie hardness range, good low temperature impact strength, flexibility in a wide temperature range, freedom from plasticizers, excellent resistance to oils, greases and many Solvent, good resistance to weathering and high-energy radiation, pleasant tactile properties Weldabble and thermal bonding, easy to color, easy to recycle, excellent corrosion resistance (special grade) Solemn promise: All raw materials sold by our company are genuine materials from the original factory. . Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PMMA is available in transparent, translucent, opaque, or custom colors in different grades of melt flow and heat resistance. For those special applications, there are also ultraviolet absorbing (UV) and ultraviolet transmitting (UVT) grades. Properties Amorphous polymer, 92% light transmittance, thermal denaturation temperature between 74°C and 102°C Advantages 1. High optical transparency 2. Good weather resistance 3. Good rigidity 4. Easy to dye Disadvantages 1. Resistance Poor chemical resistance 2. The maximum temperature for long-term use is 93°C 3. It should be concentrated in a centralized place and is used for more fragile purposes: lampshades, window glass, signs, optical lenses, hard contact lenses, and auto parts. We solemnly promise that all the raw materials sold by our company are It is the original factory original package with genuine materials. Buyers who choose logistics or express delivery, please first confirm whether the ABS resin of the logistics or express delivery has high gloss, impact resistance, electroplating and other characteristics. Generally used in daily necessities such as home appliances and toys. At present, the main types of general-level products are: It has high flow characteristics. It is generally used for molding products such as large home appliances, motorcycle trailer casings, and thin meat molded products. It has low flow characteristics and is suitable for extruding plates and pipe fittings. Generally used in refrigerator linings, suitcases, ABS pipes and large containers. It has heat-resistant properties and is suitable for products with high temperature requirements. Generally used in heating appliance casings, hair dryers, heaters and automotive components such as instrument panels. Based on the principle of "customers first and integrity first", the company has established long-term cooperative relationships with many enterprises. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PPS uses: electronic and electrical, micro electronic component packaging, connectors, wiring connectors, sockets, coil bobbins, trimmer capacitors, and fuse bases. Mechanical instruments: pump casing, pump wheel, tiles, gears, pulleys, universal heads, seals, flanges, counters, levels, flow meter components. Automotive field: temperature sensors, carburetors, evaporators, carburetor pumps, seat bases, water tanks and water chambers. Household appliances: electric fans, microwave oven stands, clothes dryers, coffee cookers, rice cookers, hot air cylinders, hair irons, air conditioning compressors. We solemnly promise that all the raw materials sold by our company are genuine and original. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .LCP product features: High temperature electrical/electronic assembly: able to withstand SMT assembly process operations, including lead-free reflow soldering. Excellent thermal aging properties, maintaining inherent properties at high temperatures. Excellent flowability - thin walls, complex shapes. It has excellent dimensional stability, low molding shrinkage and extremely small thermal expansion coefficient, comparable to metal. During molding, the molecular chains are aligned in the direction of flow, producing a self-reinforcing effect as if the molecules themselves reinforce them, resulting in extremely high strength and elastic modulus. Excellent chemical resistance. Molding speed: extremely fast cycle times. Excellent creep resistance. Flame retardant. It has excellent dielectric properties in a wide temperature range. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. Business outlets. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PET product characteristics: It has high tensile strength; it has high toughness and stronger impact toughness; the product is not easy to warp; it has good flow performance during molding; and it has good electrical insulation. Typical applications: Can be used in ignition components, coil covers, relay seats, gears, various pump housings, vacuum cleaner components, storage equipment components, and screw sockets. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PPO Properties: Commonly available in blends with other polymers, exhibiting exceptional moisture resistance, high dimensional and thermal stability, good flame retardant and high electrical resistance properties. Polyphenol Oxidase* was first formulated by GE. Features: 1. Wide operating temperature range (-40 to 160) 2. Super rigidity, impact resistance and fatigue resistance 3. Excellent insulation performance, low dielectric constant and low dielectric loss tangent 4. Low water absorption, molding size Stable 5. Good flame retardancy and self-extinguishing performance 6. Low specific gravity 7. Low molding shrinkage, suitable for precision parts 8. Excellent mold release and fluidity, wide molding temperature range We solemnly promise: all the raw materials sold by our company are Original factory original package genuine materials. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .TPV is designed for applications requiring good elasticity, appearance and sealing properties. This grade of Vyram is shear dependent and can be used on conventional thermoplastic processing equipment, injection molding, extrusion or blow molding. It is polyolefin based and fully recycled. It has excellent temperature resistance, aging resistance (resistance to ultraviolet rays and ozone), excellent bonding properties with polyolefin, and small permanent compression deformation. The material has a strong rubber feel, excellent electrical properties, and good colorability. Excellent dynamic fatigue resistance and high tear resistance. We solemnly promise that all the raw materials sold by our company are genuine and original materials from the original factory. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please contact us in time. .PA9T product features: ?The lowest water absorption among nylon series resins??Dimensional stability will not cause dimensional changes and mechanical strength reduction due to water absorption??High heat resistance,??280? Tin test will not produce bubbles, and Suitable for lead-free solder with higher operating temperature. ??Good fluidity, suitable for thin meat forming. ??Low gas, less likely to contaminate and corrode the mold than other nylon resins, extending the use of the mold. ??The crystallization speed is fast and the cooling time is short. ??In high-temperature environments, the mechanical strength and rigidity decrease less, and the bonding line strength and recyclability are good. PA46 High performance polyamide 46 offers unparalleled performance and value for automotive and electronics applications: Highest mechanical properties at high temperatures, excellent wear resistance, low friction, excellent flow PA12 and easy processing And special design freedom? MXD6 polym-xylylene adipamide, referred to in English as MXD6, generally referred to as "nylon MXD6", is a special high-barrier nylon material. Although the barrier properties of MXD6 are slightly worse than those of PVDC and EVOH, its barrier properties are not affected by temperature and humidity, which makes it especially suitable for use in high temperature and humid situations. In today's general trend of barrier packaging and replacing steel with plastic, nylon MXD6 has become one of the eye-catching new plastic varieties. Reny series resin has higher mechanical strength and modulus than other engineering plastics. ?It is therefore versatile and can be used as a replacement for metal, especially in more complex structural components that need to withstand heavy stress. ?Currently, Reny has been widely used in various industries, such as automobiles, electrical appliances, electronics, machinery, construction, etc. ?Features:?1.?The superiority of high strength and high modulus in a wide temperature range?2.?The molding dimensional stability is higher than that of polyamide, and the low water absorption rate gives it the superiority of high strength?3.? Low coefficient of thermal expansion, comparable to alloys. 4. High resistance to oils and organic solvents. 5. Small shrinkage, not easy to deform. 6. The surface remains glossy even with glass fiber reinforcement. PEBA features: lowest Hygroscopicity: Parts exhibit dimensional stability under maximum changes in humidity conditions. ?Exceptional impact and notch impact strength, even at temperatures well below freezing, excellent resistance to grease, oil, fuel, hydraulic fluids, various solvents, salt solutions and other chemicals ?Excellent resistance to stress cracking, including Injection molded or embedded metal parts for encapsulation Good wear resistance Low sliding friction coefficient in dry, running conditions against steel, polyethylene terephthalate, polyacetal, and other materials Noise and vibration damping properties Superb resistance Fatigue Performance Cyclic Loading Conditions at High Frequency? High Processing PETG Applications/Uses? Blister Packaging? Blood Therapy? Blown Film? Credit Card? Debit Card? Deodorizing Packaging? Packaging Equipment? Drug Release? Electronic Packaging? Prefabricated Box? Flexible packaging? Food packaging? Furniture/furniture decoration? Game cards? Gift cards? Identity documents? Four components? Four, containers? Medical experiments? Lamination? Phone cards? Plastic cards? Rigid medical packaging? Shrink film? Logo? Smart card? Suction Used with drains? Toys/Sporting Goods? Tubing? Writing Instruments IXEF polyarylamide resin provides excellent elastic polymer materials due to its glass transition temperature of approximately 85°C (1850F). This feature along with its high strength, low spread, and ability to absorb low moisture , excellent completion makes metal materials a good alternative to many regional markets, high elasticity: tension coefficient up to 24> (3480KPSI) (IXEF103235.4823C (730F)): high strength: flexural number up to 400MPA (more 58) (2301032IXEFC (730F) ): Very little spread?: Less than 1% of deformation at 10 times 50 Spirit (7250 more) 500C (1220F), some results. With fiberglass content, works well in the face of resistance to most polymers. Excellent ground finish : First-class appearance products are reinforced with high glass fiber content. Easy processing: good moldability even with high glass fiber content, making the production of dispersed and complex construction projects. Good dimensionality and stability: low mold shrinkage, high reproduction, so that tension can be maintained .(Not much, time is tight, achieve 0.05%. Slow water absorption: semi-aromatic polyarylamide guided low water absorption is slow, slower than IXEF, the formation of the implementation project and PA66, PA6, humidity is more sensitive. The chemical properties of IXEF resist various complex Chemical product COC characteristics: 1. Optical properties: low birefringence of optical components; 2. Electrical insulation: 3. Chemical resistance: acid, alkali, edible oil; (very low water absorption: resistant to water and water vapor Extremely high tolerance); 4. Hygienic safety: non-toxic, compliant with US FDA certification. Applications: Film, sheet, industrial components, blow molding, pharmaceutical packaging, eyeglass components (including lenses, frames). PEI Polyetherimide (PEI) Polyetherimide resin is an amorphous thermoplastic resin, referred to as PEI. It has outstanding high temperature resistance, high strength, high modulus and wide range of chemical resistance. Characteristics: Inherent Flame resistant electrical/electronic applications, low smoke emission aircraft/aerospace industry internal components, long term heat resistance - RTI up to 356℉ (180℃) food service (can be baked), dimensional stability high temperature lighting condensers and reflectors , high temperature strength and modulus automotive under-the-hood applications, hydrolytic and chemical stability medical device trays, wave soldering and steam soldering stability public cookware. FDA and NSF grade HVAC applications, vessels and fasteners SPS features: low density, one of the mildest plastics among engineering plastics, hydrolysis resistance: steam proven, acid and alkali resistance, excellent forming: good flow Resistance, good repeatability, electrical characteristics: very small loss, good tracking resistance PPE features: 1. Wide operating temperature range (-40 to 160) 2. Super rigidity, impact resistance and fatigue resistance Properties 3. Excellent insulation performance, low dielectric constant and low dielectric loss tangent 4. Low water absorption, stable molding size 5. Good flame retardancy and self-extinguishing performance 6. Low specific gravity 7.? Low molding shrinkage, suitable for precision parts? 8.? Excellent mold release and fluidity, wide molding temperature range. Main features of PPA? Mechanical properties, an ideal metal substitute? Excellent high temperature performance? Outstanding electrical properties ?Excellent resistance to fuels, glycols and chemicals?Excellent dimensional stability, low moisture absorption?Low vapor transmission rate. Typical Applications: Automotive? Air Induction? Electrical/Electronic? Fuel Systems? Heating and Cooling? Coatings, Composites, Additives? Cookware? Personal Care, Small Appliances? Lawn & Garden, Power Tools? Electric? Contactors, Switches? Automotive Parts Electronics? LEDs? SMT components? Faucet assemblies? Bearing retainers PMMA Choose from transparent, translucent, opaque, or custom colors in different grades of melt flow and heat resistance. For those special applications, there are also ultraviolet absorbing (UV) and ultraviolet transmitting (UVT) grades. Properties Amorphous polymer, 92% light transmittance, thermal denaturation temperature between 74°C and 102°C Advantages 1. High optical transparency 2. Good weather resistance 3. Good rigidity 4. Easy to dye Disadvantages 1. Resistance Poor chemical resistance 2. The maximum temperature for long-term use is 93°C 3. It should be concentrated in a centralized place and is used for more fragile purposes: lampshades, window glass, signs, optical lenses, hard contact lenses, and auto parts. We solemnly promise that all the raw materials sold by our company are It is the original factory original package with genuine materials. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. After the raw materials arrive at the factory, please do not open the outer packaging. You should first carefully check whether the outer packaging of the raw materials is intact and whether the raw material model matches the raw material model you ordered. After the goods are delivered, please check them as soon as possible. If you find a large amount of packaging damage or leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within 24 hours. If you cannot receive it in time after shipment, please