Nylon use

Polyamide is mainly used for synthetic fibers. Its most outstanding advantage is that its abrasion resistance is higher than all other fibers, 10 times higher than viscose, 20 times higher than wool, and a little polyamide fiber is added to the blended fabric. Greatly improve its wear resistance; when stretched to 3-6%, the elastic recovery rate can reach 100%; it can withstand tens of thousands of times of bending without breaking.

The strength of polyamide fiber is 1-2 times higher than viscose, 4-5 times higher than wool, and 3 times stronger than viscose fiber. However, polyamide fiber has poor heat resistance and light resistance and poor retention, and the clothes made are not as stiff as polyester. In addition, nylon-66 and nylon-6 used for clothing have the shortcomings of poor hygroscopicity and dyeability. For this reason, new varieties of polyamide fibers-nylon-3 and nylon-4 new polyamide fibers have been developed. Light weight, excellent wrinkle resistance, good air permeability, good durability, dyeability and heat setting characteristics, so it is considered to be very promising.

This type of product has a wide range of uses. It is a good material that replaces steel, iron, copper and other metals with plastics, and is an important engineering plastic; cast nylon widely replaces wear-resistant parts of mechanical equipment, and replaces copper and alloys as wear-resistant parts of equipment . It is suitable for the production of wear-resistant parts, transmission structural parts, household appliances parts, automobile manufacturing parts, screw preventive mechanical parts, chemical machinery parts, and chemical equipment. Such as turbines, gears, bearings, impellers, cranks, dashboards, drive shafts, valves, blades, screw rods, high-pressure washers, screws, nuts, sealing rings, shuttles, sleeves, bushing connectors, etc.

Replace metals such as copper

Because polyamide has non-toxic, light weight, excellent mechanical strength, wear resistance and good corrosion resistance, it is widely used to replace metals such as copper in the manufacture of bearings, gears, and gears in machinery, chemical, instrumentation, and automotive industries. Pump blades and other parts. Polyamide has high strength after melt spinning, and it is mainly used as synthetic fiber and can be used as medical suture.

Used in various medical and knitwear

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 woven single stockings, stretch 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 fibers are mostly used for blending with wool or other chemical fiber wool-type products to make all kinds of wear-resistant clothing materials.

In industry, nylon is widely used to make cords, industrial fabrics, cables, conveyor belts, tents, fishing nets, etc. In national defense, it is mainly used as parachutes and other military fabrics.