欧美日韩精品一区二区在线视频,欧洲女人性开放免费网站 ,女被啪到深处喷水gif动态图,assbbwbbwbbwbbwbw精品,色偷拍亚洲国产大姐,a篇片在线观看网站,呦泬泬精品导航,欧美高清在线精品一区,免费国产a国产片高清,天天天天做夜夜夜做,久久99久国产麻精品66

PA Plastics was the first resin developed by a US company for fiber and industrialized in 1939. PA plastics have good overall properties including mechanical properties, heat resistance, abrasion resistance, chemical resistance and self-lubricating properties. For a deeper understanding, take a look at its application areas.

Automotive manufacturing

Used in the manufacture of fuel filters, fuel filters, tanks, traps, oil storage tanks, engine cylinder head covers, radiator water tanks, balanced rotating shaft gears. It can also be used in automotive electrical accessories, binding posts, etc. In addition, it can also be used as a drive, control unit, and the like.

Electrical and electronic industry

It can be used in the manufacture of rice cookers, electric vacuum cleaners, high-frequency electronic food heaters, terminals for electrical products, switches and resistors.

Medical equipment

For medical blood vessels, blood collection devices, infusion sets, etc. The PA monofilament can be used for surgical sutures, wigs, etc.; in addition, the digital rotary disk of the electronic typewriter, the binding post, the transmission gear, the belt filter of the printing machine, and the like.

Other aspects

Used for making disposable lighter body, alkaline dry battery pad, motorcycle driver's helmet, office machine casing, office chair's angle wheel, seat and backrest, skates, fishing line, etc., PA film gas barrier performance is excellent, and It has good oil resistance, low temperature impact resistance and penetration resistance, and can be used for packaging frozen food such as meat and ham. Polyamides can also be used as bars and plates, as well as gears or other transmissions.