Okwu Mmalite Maka Nrapado ụfụfụ

A na-eji ihe ntanye ụfụfụ eme ihe n'ụzọ bụ isi maka ndochi, akara, na njikọta gburugburu ọnụ ụzọ ụlọ na ọnụ windo, nkwonkwo mgbasawanye, na oghere. Ọ bụ mmiri - na-agwọta ihe mkpuchi mkpuchi polyurethane. Ọ na-abịa na ma egbe{3}}ụdị na tube{4}}ụdị usoro. Ụdị - na-achọ egbe ọfụfụ nke polyurethane raara onwe ya nye, ebe tube - na-abịa na eriri nwere ike ịwụfu. Ọ bụ otu -akụrụngwa, mmiri{10}}ọgwụgwọ, ọtụtụ{11}} nzube polyurethane foam ndochi na akara ihe. Nrapado ụfụfụ bụ ngwaahịa polyurethane pụrụ iche emere site na ịkwakọba ihe polyurethane prepolymer, ihe na-afụ ụfụ, na ihe na-akpali akpali n'ime ikuku ikuku na-eguzogide{13}.