Donfoam 824PIR HFC-245fa mimọ parapo polyols fun lemọlemọfún PIR Àkọsílẹ foomu
Donfoam 824PIR HFC-245fa mimọ parapo polyols fun lemọlemọfún PIR Àkọsílẹ foomu
Ọrọ Iṣaaju
DonFoam 824 / PIR ni a irú ti parapo polyols lilo hfc-245fa ifofó oluranlowo, pẹlu polyol bi awọn akọkọ aise ohun elo, adalu pẹlu pataki oluranlowo oluranlowo, o dara fun idabobo ti ikole, transportation, ikarahun ati awọn miiran awọn ọja. Yi awọn ohun elo ti wa ni Pataki ti ni idagbasoke fun lemọlemọfún ila .Awọn polyurethane ọja pese sile nipa reacting o pẹlu isocyanate ni o ni awọn wọnyi anfani:
- Eco-ore, lai run awọn osonu Layer
- Ga compressive agbara ati ti o dara homogeneity ti isotropic agbara
- O tayọ gbona idabobo iṣẹ ati onisẹpo iduroṣinṣin
Ti ara ini
|
DonFoam 824 / PIR |
|
| irisi
OH iye mgKOH / g Ìmúdàgba iki (25 ℃) mPa.S Iwuwo (20 ℃) g / milimita Ibi otutu ℃ Ibi iduroṣinṣin ※ osu |
Ina ofeefee to brown sihin omi 250-400 300-500 1.15-1.25 10-25 3 |
niyanju ratio
|
Pbw |
|
| DonFoam824 / PIR
Isocyanate |
100 150-200 |
IMO ATI ifesi (awọn gangan iye yatọ da lori processing ipo)
|
Afowoyi Mix |
ga titẹ |
|
| Aise elo otutu ° C
Ipara akoko S Jeli akoko S Free iwuwo Kg / m 3 |
20-25 20-50 160-300 40-50 |
20-25 15-45 140-260 40-50 |
foomu ṣe
| Ìwò Mọ iwuwo
Titi-cell Rate Ni ibẹrẹ gbona iba ina elekitiriki (15 ℃) Compressive Okun Onisẹpo iduroṣinṣin 24h -20 ℃ 24h 100 ℃ Flammability |
GB / T 6343 GB / T 10799 GB / T 3399 GB / T 8813 GB / T 8811
GB / T 8624 |
≥40 Kg / M3
≥90% ≤22mW / mk ≥150 KPa ≤0.5% ≤1.0% B2, B1
|
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