Donfoam 812 HCFC-141b Base Boond polylols maka igbochi ụfụfụ
Donfoam 812 HCFC-141b Base Boond polylols maka igbochi ụfụfụ
Ndubata
Donfoam 812 na-acha pollether polyols eji mepụta ụfụfụ na-acha uhie uhie. A ụfụfụ nwere otu cell, na-eme ihe mkpuchi ọkụ, arụmọrụ ọkụ na-arụ ọrụ dị mma, arụmọrụ ezumike nká dị mma, obere okpomọkụ enweghị obere crack wdg.
Ebe a na-ejikarị ụdị mkpuchi ihe dị ka: iwu mgbidi mpụga, nchekwa oyi, tanki, nnukwu ọkpọkọ wdg.
Aku
| Mputa Viscosic (25 ℃) mpla.s Njupụta (20 ℃) g / ml Nchekwa nchekwa ℃ A na-eme ka nchekwa kwụsị | Light odo odo na-acha aja aja 250 ± 50 1.17 ± 0.1 10-25 6 |
Akwadoro ruru
| Ihe | PBW |
| Ngwakọta polyetat polyol Sycyanate | 100 130 |
Teknụzụ na mmeghachi omume(ezigbo uru dịgasị iche dabere na ọnọdụ nhazi)
| Mixgwakọta ntuziaka | |
| Arụmọkụ anụ ụlọ ℃ Eluld Mold ℃ Ct s Gt s Tft s Free deventy kg / m3 | 20-25 Oke ikuku (15-45 ℃) 35-60 140-180 240-260 26-28 |
Afụ ụfụfụ
| Ihe | Standard Standard | Nkowa |
| Ibelata ihe na-atọ ụtọ Kpee isi ike | GB 6343 | 40-45KG / m3 38-42KG / m |
| Ọnụego na-akwụ ụgwọ | GB 10799 | ≥90% |
| Nmepu nke mbu (15 ℃) | GB 3399 | ≤24mw / (mk) |
| Ike nzuzo | GB / T8813 | ≥150KPA |
| Nkwụsi ike 24H -20 ℃ Rh90 70 ℃ | GB / T8811 | ≤1% ≤1.5% |
| Ntinye mmiri mmiri | GB 8810 | ≤3% |
| Fria a | ASTM E84 | Klaasị A |
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