Donpanel 412 HCFC-141b isi ngwakọta polyols maka PUR
Donpanel 412 HCFC-141b isi ngwakọta polyols maka PUR
INKWUO
DonPanel 412 ngwakọta polyols bụ ngwakọta nke mejupụtara polyether polyols, surfactants, catalysts na ire ọkụ retardant na a pụrụ iche ruru. Ụfụfụ ahụ nwere ezigbo ihe mkpuchi ọkụ, ịdị arọ dị arọ, ike mkpakọ dị elu na ire ọkụ na uru ndị ọzọ. A na-eji ya eme ihe n'ọtụtụ ebe na-emepụta efere Sanwichi, efere corrugated wdg, nke na-emetụta ime ụlọ ahịa oyi, kabinet, ebe nchekwa nchekwa na ihe ndị ọzọ.
ALA nke anụ ahụ
| Ọdịdị | Mmiri mmiri na-egbuke egbuke odo odo |
| Hydroxyl uru mgKOH/g | 300-360 |
| Viscosity dị ike (25 ℃) mPa.S | 3000-4000 |
| Njupụta (20 ℃) g/ml | 1.05-1.16 |
| Ọnọdụ nchekwa ℃ | 10-25 |
| Nchekwa nkwụsi ike ọnwa | 6 |
RATIO akwadoro
| Ngwaọrụ | pbw |
| ngwakọta polyols | 100 |
| Isocyanate | 100-120 |
Nkà na ụzụ na imeghachi omume(ọnụahịa ziri ezi dịgasị iche dabere na ọnọdụ nhazi)
| ihe | Ngwakọta akwụkwọ ntuziaka | Igwe nrụgide dị elu |
| Ọnọdụ okpomọkụ ℃ | 20-25 | 20-25 |
| Ịkpụzi okpomọkụ ℃ | 35-45 | 35-45 |
| Oge ude s | 30-50 | 30-50 |
| Gel oge s | 120-200 | 70-150 |
| Njupụta efu kg/m3 | 24-26 | 23-26 |
Ịrụ ụfụfụ igwe
| Njupụta ịkpụzi | GB 6343 | ≥38kg/m3 |
| Ọnụego cell mechiri emechi | GB 10799 | ≥90% |
| Thermal conductivity (15 ℃) | GB 3399 | ≤22mW/(mK) |
| Ike mkpakọ | GB/T 8813 | ≥140kPa |
| Nkwụsi ike akụkụ 24h -20 ℃ |
GB/T 8811 | ≤1% |
| 24h 100 ℃ | ≤1.5% | |
| Ọkụ ọkụ (Oxygen Index) | GB/T8624 | > 23.0 |
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