Okwu mmalite

DonFoam 822 / PIR bụ ụdị ngwakọta polyols na hcfc-141b foaming agent, na polyol dị ka isi ihe eji eme ihe, jikọtara ya na onye inyeaka pụrụ iche, nke kwesịrị ekwesị maka mkpuchi nke ihe owuwu, njem, shei na ngwaahịa ndị ọzọ. maka ahịrị na-aga n'ihu . Ngwaahịa polyurethane nke a kwadebere site na ime ya na isocyanate nwere uru ndị a:

1. Ụfụfụ nwere otu ike na nkwụsi ike akụkụ n'akụkụ niile

2. Enwere ike ịkpụ ngwaahịa ụfụfụ n'ụdị dị iche iche dịka ihe achọrọ nke ngwaahịa ahụ

3. Ọmarịcha mkpuchi mkpuchi okpomọkụ