PU (Polyurtethane) bụ ihe ejiji sịga nke a na-eji n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere owuwu, akpaaka, arịa ụlọ, na nkwakọba ihe. Ọ bụ ihe dị iche iche nke enwere ike ịmepụta iji nye ọtụtụ ihe anụ ahụ, gụnyere ogologo, mgbanwe na nguzogide. A na-emepụta ụdị mkpụrụ osisi na-eme ka pollol na-eme ihe na ọnụnọ nke ihe nchọpụta na ihe ndị ọzọ. Polymer na-arụpụta ihe nwere njikọ urethane na akpa azụ ya, nke na-enye ya njiri mara ya. A na-ejikarị mkpụrụ osisi na-ahazi ya ma ọ bụ thermoplastic ya, dabere na steeti ya na-enweghị ike. Tymoset Pu nwere ihe owuwu network atọ nke enweghị ike ịgbaze ma ọ bụ chekwaa, ebe ikuku ikuku nwere ike gbazee ma chegharịa. A na-ahọrọkarị puntality ya maka ịdịte ya, na-agbanwe oke, na iguzogide mmanụ, sons na nza. Enwere ike ịhazi ya ka ọ dị nro ma ọ bụ sie ike ma ọ bụ sie ike, dabere na ngwa ahụ.
