A na-eji Inov Polyurethane Phthalic Anhydride Polyester Polyol na Ngwakọta Foam siri ike.
Usoro ụfụfụ siri ike
Okwu mmalite
Usoro nke polyols na-adabere na akụrụngwa dịka phthalic anhydride na diethylene glycol.A na-ejikarị ya eme ihe n'ọhịa nke ụfụfụ siri ike ma nwee ike itinye ya n'ọhịa nke adhesives.Ọ nwere uru nke isi ísì dị ala, chroma dị ala, mmeghachi omume dị elu, nguzogide hydrolysis dị mma, ọdịnaya aromatic dị elu, nkwụsi ike nke ihe mejupụtara na ezigbo mmiri.Enwere ike ịhazi nhazi ngwaahịa dịka ihe ndị ahịa chọrọ.
Ngwa
Usoro a nke polyester polyols nwere ike n'ọtụtụ ebe na isiike ụfụfụ usoro dị ka friji, oyi nchekwa, spraying, anyanwụ ike, thermal pipeline, ụlọ mkpuchi, wdg, na ụfọdụ ndị kwesịrị ekwesị maka nrapado ngwaahịa.
Mpempe akwụkwọ data teknụzụ
| Ọkwa | OHV (mgKOH/g) | Acid (mgKOH/g) | Mmiri () | Viscosity (25 ℃, cps) | Ngwa |
Polyester Polyol | PE-B175 | 170-180 | ≤1.0 | ≤0.05 | 9000-13000 | Ogwe Ngwa ụlọ |
PE-B503 | 300-330 | ≤1.0 | ≤0.05 | 2000-4000 | Ngwa ụlọ fesa ụfụfụ/Panel Nrapado | |
PE-D504 | 400-450 | ≤2.0 | ≤0.1 | 2000-4000 | Ahịrị ọkpọkọ fesa ụfụfụ/Panel | |
PE-D505 | 400-460 | ≤2.0 | ≤0.1 | 2000-4000 | Ogwe/Fsa ụfụfụ Ahịrị ọkpọkọ | |
PE-B503LN | 300-320 | ≤1.0 | ≤0.05 | 2000-2500 | Sistemụ cyclopentane | |
PE-B240 | 230-250 | ≤2.0 | ≤0.05 | 4000-6000 | Sistemụ cyclopentane |