Donfoam 812 HCFC-141B mimọ parapo polyols fun Àkọsílẹ foomu
Donfoam 812 HCFC-141B mimọ parapo polyols fun Àkọsílẹ foomu
Ọrọ Iṣaaju
Donfoam 812 parapo polyether polyols lo fun èso Puri Àkọsílẹ foomu. Awọn foomu ni o ni aṣọ cell, kekere gbona iba ina elekitiriki, gbona idabobo išẹ jẹ ti o dara, iná retardant išẹ jẹ ti o dara, kekere otutu ko si sunki kiraki ati be be lo
O gbajumo ni lilo ninu awọn ilana ti gbogbo iru idabobo iṣẹ bi: ile ita odi, tutu ipamọ, awọn tanki, ti o tobi oniho ati be be lo
Ti ara ini
| irisi
Ìmúdàgba iki (25 ℃) mPa.S Iwuwo (20 ℃) g / milimita Ibi otutu ℃ Ibi iduroṣinṣin osù |
Ina ofeefee to brown sihin omi 250 ± 50 1.17 ± 0.1 10-25 6 |
niyanju ratio
| awọn ohun |
PBW |
| Parapo Polyether Polyol
Isocyanate |
100 130 |
IMO ATI ifesi (awọn gangan iye yatọ da lori processing ipo)
|
Afowoyi dapọ |
|
| Aise elo otutu ℃
M otutu ℃ CT s GT s TFT s Free iwuwo kg / m 3 |
20-25 Ibaramu otutu (15-45 ℃) 35-60 140-180 240-260 26-28 |
foomu ṣe
|
ohun kan |
igbeyewo Standard |
sipesifikesonu |
| Ìwò Mọ iwuwo
Mọ mojuto iwuwo |
GB 6343 |
40-45kg / m 3 38-42kg / m |
| Titi-cell Rate |
GB 10799 |
≥90% |
| Ni ibẹrẹ gbona iba ina elekitiriki (15 ℃) |
GB 3399 |
≤24mW / (Mak) |
| Compressive Okun |
GB / T8813 |
≥150kPa |
| onisẹpo iduroṣinṣin
24h -20 ℃ RH90 70 ℃ |
GB / T8811 |
≤1% ≤1.5% |
| Omi Absorption Rate |
GB 8810 |
≤3% |
| Flammability |
ASTM E84 |
kilasi A |
