Black nylon rod [DuPont USA] imported black nylon rod

r, >Polyamide is mainly used for synthetic fibers. Its most prominent advantage is that its wear resistance is higher than that of all other fibers. It is twice as wear-resistant as cotton and twice as durable as wool. Adding some polyamide fiber to the blended fabric can Its wear resistance is greatly improved. When stretched to 100%, the elastic recovery rate can reach tens of thousands of times without breaking. The strength of polyamide fiber is several times higher than cotton, several times higher than wool, and several times stronger than viscose fiber: r, >. However, polyamide fiber has poor heat resistance and light resistance, as well as poor retention properties, and the clothes made of it are not as crisp as polyester. In addition, nylon and nylon used in clothing: r, > both have the shortcomings of poor hygroscopicity and dyeability. For this reason, new varieties of polyamide fiber nylon and new polyamide fibers of nylon have been developed, which have the characteristics of light weight, It has excellent wrinkle resistance, good breathability, good durability, dyeability and heat setting, so it is considered to be very promising.
<:rr, , This type of product has a wide range of uses. It is a good material for replacing steel, iron, copper and other metals with plastic. It is an important engineering plastic. Cast nylon can widely replace wear-resistant parts of mechanical equipment, replacing copper and Alloys are used as wear-resistant parts for equipment. Suitable for making wear-resistant parts, transmission structural parts, household appliance parts, automobile manufacturing parts, screw rod prevention mechanical parts, chemical machinery parts, and chemical equipment. Such as turbines, gears, bearings, impellers, cranks, instrument panels, drive shafts, valves, blades, screw rods, high-pressure washers, screws, nuts, seals, shuttles, sleeves, sleeve connectors, etc.: : rrb : .> []
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<:rr, , instead of copper and other metals
<:rr, , because polyamide is non-toxic, lightweight, has excellent mechanical strength, wear resistance and good corrosion resistance, it is widely used It is used to replace copper and other metals in the manufacture of bearings, gears, pump blades and other parts in machinery, chemical industry, instrumentation, automobile and other industries. Polyamide has high strength after melt spinning into filament. It is mainly used as synthetic fiber and can be used as medical suture.
<:rr, , Used in various medical and knitted products
<:rr, , For civilian use, it can be blended or purely spun into various medical and knitted products. Nylon filaments are mostly used in the knitting and silk industries, such as weaving single stockings, elastic stockings and other wear-resistant nylon socks, nylon gauze, mosquito nets, nylon lace, stretch nylon outerwear, various nylon silk or interwoven silk products. Nylon staple fiber is mostly used to blend with wool or other chemical fiber wool-type products to make various wear-resistant and durable clothing materials.
<:rr, , In industry
nylon is widely used to make cords, industrial fabrics, cables, conveyor belts, tents, fishing nets, etc. Mainly used in national defense as parachutes and other military fabrics. :>On the day of the year, DuPont caused a sensation when it publicly sold nylon silk
stockings at the headquarters location. It was regarded as a rare item and people rushed to buy it. Because many lower-class women couldn't buy stockings, they had to draw lines on their legs with a pen and pretend to be stockings. People once praised this fiber with words and phrases as thin as spider silk, as strong as steel wire, and as beautiful as silk. By 1998,
Nylon fiber: > fabrics were sold all over the United States.
<:rr, , From the outbreak of World War II until 2000, the nylon industry was turned to the production of parachutes, aircraft tire cord fabrics, military uniforms and other military products. Due to the characteristics and wide range of uses of nylon, it developed very rapidly after World War II. Various nylon products, from stockings and clothes to carpets, ropes, fishing nets, etc., appeared in countless ways. Nylon is one of the three major synthetic fibers.
<:rr, , The first batch of domestically produced caprolactam test samples were finally successfully trial-produced at Jinzhou Chemical Plant in Liaoning Province. The product was sent to the Beijing Fiber Factory and was successfully spun out, which marked the beginning of China's synthetic fiber industry. Because it was born in Jinzhou Chemical Factory, this synthetic fiber was later named nylon, which is nylon. Since nylon had important national defense and military purposes in the early days of the founding of New China, which was very poor at that time, the significance of the birth of nylon is self-evident.
<:rr, , Nylon fiber is the raw material for many man-made fibers. Stiff nylon is used in the construction industry. Hot air balloons made of nylon can be made very large.