At the beginning of its establishment, Asahika Cost Company based on the business philosophy of honesty, mutual benefit and win-win, won the trust and support of our customers. Currently, we have set up branches in Shanghai, Zhejiang, Dongguan, Hong Kong and other places to meet the needs of our customers. So far, we have cooperated with DuPont of the United States. B SABIC, Germany, BASF (B), Germany Lanxess, Germany, Bayer (Br), Japan Polytech Co., Ltd., Asahi Kasei Co., Ltd., Taiwan Chimei Taiwan, Taiwan Chemical, etc. have established long-term cooperative relationships with many brand raw material suppliers to ensure first-hand supply of materials. Quality reliability and stability. The following is a brief introduction to the company's products. Prices and parameters are welcome to call for consultation. The nature is crystalline thermoplastic plastic with an obvious melting point ~ ℃. The nature is closest to metal. It is generally called plastic steel. Advantages: High mechanical strength and rigidity. Highest fatigue strength. Environmental resistance. Good resistance to organic solvents, strong resistance to repeated impacts, wide operating temperature range (℃ ~ ℃), good electrical properties, good restorability, self-lubricating, wear resistance, good dimensional stability, advantages and disadvantages, if the processing process is exposed to high temperature for a long time, it is easy to heat up Decomposition No self-extinguishing property, poor acid resistance, molding shrinkage, wide use, electronic appliances, washing machines, juice machine parts, timer components, automobile handlebar parts, electric window parts, industrial parts, mechanical parts, gear handles, toy screws, solemnly promise that all the raw materials sold by our company are original and original. Genuine material. Buyers who choose logistics or express delivery should first confirm whether there is a local business outlet for this logistics or express delivery. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .B 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 sliding properties? Good resistance to Chemistry. It is a highly crystalline thermoplastic plastic with a melting point ~°C and a faster crystallization rate. Advantages: Stable mechanical properties, tensile strength and tensile modulus similar to nylon, small friction coefficient, self-lubricating, low water absorption, electrical properties, excellent dimensional stability, good chemical resistance, excellent oil resistance, disadvantages (°C), low HD under load. It is ℃ and has poor impact strength. It is usually reinforced with glass fiber. It is used in electronic appliances, fusible link breakers, electromagnetic switches, return transformers, household appliances, handle connectors, car door handles, bumpers, distributor covers, fenders, wire shields, rims Covers, industrial parts, fans, keyboards, fishing gear reel parts, lampshades, 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .The basic performance is outstanding toughness in qb moisture. Excellent chemical and oil resistance. Outstanding wear and abrasion resistance. Almost all scores automatically go off. This flame retardant rating is rated certified. Outstanding long-term heat resistance (long-term continuous maximum temperature ranging from 150 to 150 C). Grades of reinforced fiberglass and other materials 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Outstanding balanced mechanical properties. Outstanding toughness and moisture content in qb. Outstanding chemical and oil resistance. Outstanding wear and abrasion resistance. Almost all levels are automatically extinguished. This flame retardant rating is rated for the US. Excellent long-term heat resistance over the long-term continuous maximum temperature range (to ℃). 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Nature is amorphous thermoplastic. Advantages: High strength and elastic coefficient, high impact strength, wide operating temperature range, high transparency and free dyeability, HD. High fatigue resistance, good weather resistance, good electrical properties, tasteless, odorless, harmless to human body, compliant Hygienic and safe molding, low shrinkage, good dimensional stability, shortcomings, poor design of molded products, easy to produce internal stress problems, applications, electronic appliances, D-slice switches, home appliance shells, signal tubes, telephones, automobile bumpers, distribution boards, safety glass, industrial parts, camera bodies, equipment shells, safety helmets, diving goggles Safety Lens solemnly promises 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Added B, excellent mechanical properties, high temperature resistance, outstanding impact strength and excellent dimensional stability during application. Applications Automotive Industry Automotive Front End Dashboard Console Box Glove Box Cover Door Wheel Caps and Hoods Defroster View Mirror Housing Electronic and Electrical Display Housing Fax Machine Housing Laptop Housing Cell Phone Housing Fax Machine and Copy Frame Drive Tray and Main Frame Relay Housing Connectors, switch housings, industrial components and other helmet housings, junction boxes, power tool housings, industrial spools, manifold boxes, power tool parts, gears, water meter housings, solemnly promise that all 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Resins offer designers a wide range of materials with exceptional properties for a wide range of applications. Typical uses for thermoplastic polyurethane are automotive dashboards, casters, power tools, sports equipment, medical equipment, and extruded film sheets and configurations for a variety of applications. The production equipment is/is Q certified. The most important advantages are high wear resistance high elasticity to r hardness range good low temperature impact strength flexibility over a wide temperature range freedom from plasticizers excellent resistance to oils, greases and many solvents good resistance to weathering and high energy radiation Pleasant tactile properties, d and thermal bonding, easy to color and easy to recycle, excellent corrosion resistance (special grade), we solemnly promise that all the 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Choose from clear, translucent, opaque or custom colors in varying levels of melt flow and heat resistance. There are also UV (UV) absorption and UV transmission (UV) grades for those special applications. Properties Amorphous polymer % light transmittance Thermal denaturation temperature is between d and d Advantages High optical transparency Good weather resistance Excellent rigidity Easy to dye Disadvantages Poor chemical resistance Long-term use The highest temperature should be used at the highest concentration point More fragile Lampshade Window glass signs, optical lenses, hard contact lenses, auto parts, 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 resin in the local area that has the characteristics of high gloss, impact resistance, and electroplating. 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 household appliances, motorcycle trailer shells, and thin meat moldings. It has low flow characteristics and is suitable for extruding plates and pipe fittings. It is generally used for lining suitcase pipes and large containers in refrigerators. Products with heat-resistant properties suitable for high temperature requirements. It is generally used in heating appliance casings, hair dryers, heaters and automotive components such as instrument panels. The company has established long-term cooperative relationships with many companies based on the principle of customer first and integrity first. 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Application: Electronic and electrical micro electronic component packaging connector connector socket coil frame trimming capacitor fuse base. Mechanical instrument pump casing pump wheel gear pulley universal head seal gasket flange counter level meter flow meter components. Automotive field temperature sensor carburetor evolver carburetor pump seat base water tank water chamber. Household appliances, electric fans, microwave oven stands, clothes dryers, coffee cookers, rice cookers, hot air cylinders, hair curlers, air conditioner compressors, we solemnly promise that all 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Product Features High temperature electrical/electronic assembly can withstand assembly process operations including lead-free reflow soldering. Excellent heat aging properties retain inherent properties at high temperatures. Excellent flowability in thin walls and complex shapes. Excellent dimensional stability, low molding shrinkage and extremely small thermal expansion coefficient, comparable to metal. During molding, the molecular chains are arranged in the direction of flow to produce a self-reinforcing effect as if the molecules themselves are reinforcing them, thus achieving extremely high strength and elastic modulus. Excellent chemical resistance. Molding speed cycle is extremely fast. 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. Business outlets. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Product Features: High tensile strength, high toughness, stronger impact toughness, less warping of products, good flow properties during molding, and good electrical insulation. Typical applications can be used in ignition components, coil covers, relay seats, gears, various pump casings, vacuum cleaner components, storage equipment components, 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .Properties Commonly offered in blends with other polymers are exceptional moisture resistance, high dimensional and thermal stability, good flame retardant and high electrical resistance properties. Polyphenol Oxidase* was first formulated by GE. Features Wide operating temperature range (to) Super rigidity Excellent impact resistance and fatigue resistance Low dielectric constant and low dielectric loss Tangent water absorption Low molding size stability Good flame retardancy and self-extinguishing performance Low specific gravity Low molding shrinkage Suitable for precision parts, excellent mold release and fluidity, wide molding 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .It is designed for applications requiring good elastic appearance and sealing properties. This grade is shear dependent and can be injection extruded or blow molded on conventional thermoplastic processing equipment. It is polyolefin based and fully recycled. It has excellent temperature resistance and aging resistance (resistance to ultraviolet rays and ozone). It has excellent bonding properties with polyolefin and has small permanent compression deformation. The material has a rubber feel, strong electrical properties, excellent colorability, and excellent dynamic fatigue resistance. Tear resistance We solemnly promise that all the 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. Please do not open the outer packaging after the raw materials arrive at the factory. 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 as soon as possible. If you find a large amount of packaging damage and leakage of raw materials during the logistics process, please ask the logistics personnel to issue a certificate and save it, and contact us within hours. If you cannot receive it in time after shipment, please contact us in time. .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?? No bubbles will be generated in the soldering test and it is suitable for higher use temperatures. Lead-free solder. ??Good fluidity, suitable for thin meat forming. ??Low gas is less than other nylon resins and is less likely to contaminate and corrode molds for extended mold use. ??Fast crystallization speed and short cooling time. ??In high-temperature environments, the mechanical strength and rigidity decrease less, and the bonding wire strength recovery is good. ?High performance polyamides offer unmatched performance and value for automotive and electronics applications. Highest mechanical properties. High temperature. Excellent wear resistance. Low friction. Excellent flow. Ease of processing and exceptional design freedom. D polym-phenylenediamine adipamide, abbreviated as D in English and generally abbreviated as nylon D, is a special high-barrier nylon material. Although the barrier properties of D are slightly worse than those of D and H, their barrier properties are not affected by temperature and humidity, which makes them especially suitable for use in high temperature and humid situations. In today's barrier packaging and the general trend of replacing steel with plastic, nylon D has become one of the eye-catching new plastic varieties. R series resin has higher mechanical strength and modulus than other engineering plastics. ?Therefore it is widely used as a substitute for metal, especially in more complex structural components that need to withstand heavy pressure. ?At present, R has been widely used in various industries such as automobiles, electrical appliances, electronic machinery, construction, etc. ?Features?.?Advantages of high strength and high modulus in a wide temperature range?.? The molding dimensional stability is higher than that of polyamide. The low water absorption rate gives it the advantage of high strength. Low thermal expansion coefficient is equivalent to that of alloys. High resistance to oil and organic solvents. Small shrinkage and not easy to deform. ?.?The surface still maintains gloss even when reinforced with glass fiber. Features B: The lowest hygroscopic parts show the greatest dimensional stability under changes in humidity conditions. ?Exceptional impact and notch impact strength even at temperatures well below freezing. Excellent resistance to greases, oils, fuels, 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 operation on steel, polyethylene terephthalate, polyoxymethylene and other materials? Noise and vibration damping properties? Superb fatigue resistance under high frequency cyclic loading conditions? High machining applications /Purpose? Blister packaging? Blood therapy? Blown film? Credit card? Debit card? Deodorizing packaging? Packaging equipment? Drug release? Electronic packaging? Prefabricated boxes? Flexible packaging? Food packaging? Furniture/furniture decoration? Game cards? Gift card? ID card? Four components? Four containers? Medical experiment? Lamination? Phone card? Plastic card? Rigid medical packaging? Shrink film? Logo? Smart card? Suction and drainage? Toys/sporting goods? Tubing? Writing instruments rd resin due Its glass transition temperature is about ℃, which provides excellent elasticity of polymer materials. This feature and its high strength, low spread, excellent ability to absorb low tide, make it a good alternative to metal materials in many regional markets. High elasticity, tensile coefficient of up to 100%. High strength r number of up to (more) (rarely spread? At less than % of deformation the spirit (more) some results. The same as the glass fiber content, excellent engineering resistance to most polymers. The ground finish is excellent and the appearance of the first-class product is further strengthened by the glass fiber. High content. It is easy to process and put into DB or even glass fiber. The high content makes the production dispersed and complex construction projects. Good dimension and stable mold, low shrinkage and high reproduction, so that the tension can be maintained. (It does not take much time to achieve. %. Water absorption is slow and half Fragrance guide Low water absorption Slower than the formation of practical items More sensitive to humidity. Chemical properties Resistant to various complex chemical products Characteristics Optical properties Optical components Low birefringence Electrical insulation? Chemical resistance Acid and alkali Edible oil (water absorption Very low, extremely high tolerance to water and water vapor) Hygienic safety, non-toxic, in line with US D certification. Application? Film sheet industrial parts, blown bottles, pharmaceutical packaging, eyewear parts (including lens frames). Polyetherimide Polyetherimide resin is the abbreviation of an amorphous thermoplastic resin. It has outstanding high temperature resistance, high strength, high modulus and wide range of chemical resistance. Characteristics Inherent flame resistance Electrical/electronic applications Low smoke release Aircraft/Aerospace Industrial internal components Long-term heat resistance R up to ℉ (℃) Food service (can be baked) Dimensional stability High temperature lighting Condensers and reflectors High temperature strength and modulus Automotive under-hood applications Hydrolytic and chemical stability Medical equipment trays Wave welding and steam welding stability Public cookware. D and grade H application utensils and fasteners Features Low density among engineering plastics Plastic is one of the mildest hydrolysis resistance Steam proven Excellent acid and alkali resistance Good formability Good flow Repeatable electrical characteristics Very small loss Good tracking resistance Features?.?Wide operating temperature range (to)?.?Super rigidity Impact resistance and fatigue resistance?.?Excellent insulation performance Low dielectric constant and low dielectric Electrical loss tangent?.?Low water absorption, stable molding dimensions?.?Excellent flame retardancy and self-extinguishing performance??.?Low specific gravity?.?Low molding shrinkage suitable for precision parts?.?Excellent mold release and fluidity Wide molding temperature range Key features: Mechanical properties ideal for metal replacements Excellent high temperature performance Outstanding electrical properties Excellent resistance to fuel glycols and chemicals Excellent dimensional stability Low moisture absorption Low vapor transmission rate Typical Applications Automotive? Air Induction? Electrical/Electronics? Fuel Systems? Heating and Cooling? Coating Composite Additives? Cookware? Personal Care Small Appliances? Lawn and Garden Power Tools? Electric? Contactor Switches? Automotive Components Electronics? Components? Faucet components? Bearing retainers have the same transparency and gloss as acrylic. They have good weather resistance and surface strength. The price is cheaper than acrylic. The specific gravity is smaller than acrylic. The plastic treatment is easier than acrylic to absorb water. The low acrylic strength is particularly suitable for products with strict size requirements. It has the characteristics of long-term resistance to various climate changes. Plastic products for outdoor use are most suitable. The application fields are suitable for optical lenses, lighting equipment, office buildings, stationery, equipment, plates, automobiles, reflective lenses, medical equipment, crafts, jewelry, food containers, toys, signs, outdoor meter covers, display equipment, stationery, etc. Our company operates *DuPont SABIC Innovation in the United States [*Netherlands] D*..?SABIC Innovation [(Transparent, translucent and opaque plus fiberglass auto parts plugs and other raw materials)* DuPont SABIC Innovation of the United States [?SABIC Innovation] [?SABIC Innovation] *ExxonMobil SA SABIC Innovation [(Toughened nylon B pipe packaging coating)* French Arkema SABIC Innovation [SABIC Innovation] SABIC Innovation [(Toughened hot melt adhesive shoe adhesive material.) Imported original package* South Korea's engineering plastics SABIC Innovation [? SABIC Innovation] * DuPont USA? SABIC Innovation [*.Supply? DuPont High Toughness Injection Molding Grade*. Supply? DuPont Super Toughness*. Supply? DuPont Toughness High Viscous*. Supply? DuPont high viscosity plus Teflon fiber*. Supply? DuPont high viscosity*. Supply? DuPont super tough grade*. Supply? DuPont wear-resistant grade*. Supply? DuPont plus % fiber*. Purpose (Automotive SABIC [Machine tool SABIC] Instrument internal parts SABIC [Bearing SABIC [Fasteners SABIC] [Gear SABIC] [Spring blade SABIC] [Pipeline] SABIC Innovation [Conveyor Belt Accessories SABIC Innovation [Electric Water Cooker SABIC Innovation] [Pump Housing SABIC Innovation [Drainer SABIC Innovation] [Faucet, etc.]* South Korea? SABIC Innovation [*Germany Bayer Supply raw materials to Japan Idemitsu, South Korea Samsung and the United States * United States? ?SABIC Innovation〔 ?SABIC Innovation〔*Japan Idemitsu SABIC Innovation〔R? SABIC Innovation〔 ?SABIC Innovation〔* Samsung Cheil Wool B SABIC Innovation〔B.? SABIC Innovation〔 *"High impact strength, good dimensional stability, colorless, transparent, tinting, good electrical insulation SABIC Innovation〔corrosion resistance SABIC Innovation〔good wear resistance"* Optical lighting "Used to manufacture large lampshades SABIC [Protective glass SABIC [transparent materials such as the left and right eyepiece tubes of optical instruments, etc. can also be widely used on aircraft" * Electronics and electrical appliances "Polycarbonate is excellent (℃ ) grade insulating materials are used to manufacture insu