Donfoam 812 HCFC-141B turanga totoka mo te poroaro poraka
Donfoam 812 HCFC-141B turanga totoka mo te poroaro poraka
Whakatuwheratanga
Donfoam 812 Te whakaranu i nga polyether polyol e whakamahia ana mo te whakaputa i te paoa paraka. He pūtau rite te paruparu, he pai te mahi waiariki, he pai te mahinga o te waiariki, he pai te parekura, he iti te pāmahana kaore e huri i te crack etc.
Whānuitia i roto i te tukanga o nga momo whakangao penei: Te hanga i te pakitara o waho, te rokiroki makariri, nga koni, nga paipa nui etc.
Taonga tinana
| Putanga Tirohanga hihiri (25 ℃) MPA.s Te mutunga (20 ℃) g / ml Te pāmahana roki ℃ Te Rokiroki Rokiroki | Maama te kowhai ki te parauri wai 250 ± 50 1.17 ± 0.1 10-25 6 |
Tatauranga taunakitanga
| Tūemi | Pbw |
| Whakaranu polyol polyol Isocyanate | 100 130 |
Hangarau me te tauhohenga(Ko te uara tika e rereke ana i runga i nga tikanga tukatuka)
| Misioni ā-ringa | |
| Pāmahana mō te pāmahana ℃ Te Hangarau Hanga ℃ Ct s Gt s Tft s Te mutunga kore kg / m3 | 20-25 Te pāmahana pāmahana (15-45 ℃) 35-60 140-180 240-260 26-28 |
Nga Mahi Whakaora
| Take | Paerewa whakamatautau | Tautanga |
| Te hangai o te hangai Te hangai i te kaha | GB 6343 | 40-45kg / m3 38-4KG / m |
| Reiti kati-kati | GB 10799 | ≥90% |
| Te whakahaere waiariki tuatahi (15 ℃) | GB 3399 | ≤24mw / (MK) |
| Te kaha o te kaha | GB / T8813 | ≥150kpa |
| Pūmautanga 24H -20 ℃ RH90 70 ℃ | GB / T8811 | ≤1% ≤1.5% |
| Te reiti whakauru wai | GB 8810 | ≤3% |
| Tāko | Astm E84 | Akomanga a |
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