Kedu ihe na-arụ ọrụ nke ọma, nylon ma ọ bụ polyurethane casters?

Anyị na-ahụkarị ihe abụọ ahụ, naịlọn na polyurethane, na ngwaahịa dị iche iche, karịsịa n'ọhịa nke casters. Ma olee kpọmkwem ọdịiche dị n'etiti ha, nke nwere arụmọrụ ka mma? Ka anyị nyochaa ọnụ.
Nke mbụ, anyị kwesịrị ịghọta ọdịiche dị n'etiti ihe abụọ a. N'ikwu ya n'ụzọ dị mfe, polyurethane bụ ihe na-agbanwe agbanwe nke dị nro, ya mere ọ na-adịchaghị ụzụ ma nwee esemokwu. Nke a pụtara na ihe nkedo polyurethane na-adị jụụ na-arụ ọrụ, mana ọ nwere ike ọ gaghị adị ka ihe nkedo naịlọn na-eguzogide.

Na naịlọn bụ ihe siri ike karị, nke nwere ezigbo nguzogide abrasion. Yabụ ọ bụrụ na ịchọrọ ihe nkedo nwere ikike ibu dị elu ma na-eyi nguzogide, ihe nkedo nylon nwere ike dabara gị mma!

Ya mere, gịnị mere ihe abụọ a ji dị iche? N'ezie, ihe niile sitere na usoro kemịkal na akụrụngwa nke ha. A na-eme polyurethane site na polymerizing isocyanate na ogige hydroxyl, ọ na-enwekwa mmanu mmanu mmanu mmanu, ike siri ike, nguzogide abrasion, iguzogide ịka nká na adhesion. Nylon, n'aka nke ọzọ, nwere nnukwu okpomọkụ na-eguzogide, ike ọgwụgwụ na abrasion na-eguzogide, yana ezigbo ike n'ibu na nkwụsi ike akụkụ.