Donfoam 812 HCFC-141B isi ngwakọta polyols maka ngọngọ ụfụfụ
Donfoam 812 HCFC-141B isi ngwakọta polyols maka ngọngọ ụfụfụ
OKWU
Donfoam 812 ngwakọta polyether polyols eji maka mepụtara Pua ngọngọ ụfụfụ. Ụfụfụ nwere edo cell, ala thermal conductivity, kwes mkpuchi arụmọrụ dị mma, ire ọkụ retardant arụmọrụ dị mma, ala okpomọkụ ọ bụla shrinking mgbape wdg
Ọtụtụ-eji usoro nke na-na ụdị nile nke mkpuchi na-arụ ọrụ dị ka: ewu mpụga mgbidi, oyi nchekwa, tankị, nnukwu ọjà wdg
nkịtị onwunwe
| ọdịdị
Dynamic viscosity (25 ℃) mPa.S Njupụta (20 ℃) g / ml Nchekwa okpomọkụ ℃ Nchekwa kwụsie ike ọnwa |
Ìhè-acha odo odo na nchara nchara uzo mmiri mmiri 250 ± 50 1,17 ± 0,1 10-25 6 |
na-atụ aro ruru
| ihe |
PBW |
| Ngwakọta Polyether Polyol
Isocyanate |
100 130 |
Nkà na ụzụ na reactivity (kpọmkwem uru dịgasị dabere nhazi ọnọdụ)
|
Manual agwakọta |
|
| Raw Ihe okpomọkụ ℃
Ebu okpomọkụ ℃ CT s gT s TFT s Free njupụta n'arọ / m 3 |
20-25 Ihere okpomọkụ (15-45 ℃) 35-60 140-180 240-260 26-28 |
ụfụfụ arụmọrụ
|
item |
Test Standard |
nkọwapụta |
| N'ozuzu Nkedo njupụta
Nkedo Core njupụta |
GB 6343 |
40-45kg / m 3 38-42kg / m |
| Mechiri emechi-cell Rate |
GB 10799 |
≥90% |
| Mbụ Kwes conductivity (15 ℃) |
GB 3399 |
≤24mW / (Mak) |
| compressive Ike |
GB / T8813 |
≥150kPa |
| akụkụ Kwụsie
24h -20 ℃ RH90 70 ℃ |
GB / T8811 |
≤1% ≤1.5% |
| Water Absorption Rate |
GB 8810 |
≤3% |
| Flammability |
ASTM E84 |
Class A |
