Donpipe 322 HCFC-141b isi ngwakọta polyols maka pipeline shei
Donpipe 322 HCFC-141b isi ngwakọta polyols maka pipeline shei
m NTRODUCTION
DonPipe 322 bụ ụdị ngwakọta polyols na hcfc-141b dị ka na-asụ ụfụfụ gị n'ụlọnga, na-ewere polyol dị ka isi akụrụngwa, agwakọta na a pụrụ iche inyeaka. Nke a ihe onwunwe adabara elu thermal mkpuchi shells nke na-eji mmiri, mmanụ na gas pipelines .Onye polyurethane ngwaahịa na-akwadebe site omume ya isocyanate nwere ndị na-esonụ uru:
- ọma compressive ike na akụkụ kwụsie ike
- elu nso-cell ọnụego na ezi waterproof arụmọrụ
- ọma mkpuchi arụmọrụ
nkịtị onwunwe
|
DonPipe 322 |
|
| ọdịdị
Hydroxyl uru mgKOH / g Dynamic viscosity (25 ℃) mPa.S Njupụta (20 ℃) g / ml Nchekwa okpomọkụ ℃ Nchekwa kwụsie ike ọnwa |
Ìhè odo uzo viscous mmiri mmiri 200-400 200-400 1.1-1.16 10-25 6 |
na-atụ aro ruru
|
Pbw |
|
| DonPipe 322
Isocyanate |
100 120-160 |
Nkà na ụzụ na reactivity (kpọmkwem uru dịgasị dabere nhazi ọnọdụ)
|
Manual mix |
elu nsogbu |
|
| Raw ihe okpomọkụ ℃
CT S gT S TFT S Free njupụta n'arọ / m 3 |
20-25 7-15 30-50 40-60 25-30 |
20-25 6-12 20-40 30-50 25-30 |
ụfụfụ arụmọrụ
| ochie njupụta
Nso-cell ọnụego Kwes conductivity (10 ℃) Mkpakọ ike) Akụkụ kwụsie ike 24h -20 ℃ 24h 100 ℃ Flammability |
GB / T 6343 GB / T 10799 GB / T 3399 GB / T 8813 GB / T 8811
GB / T 8624 |
≥50Kg / m3 ≥90% ≤22mW / Mak ≥150 KPa ≤0.5% ≤1.0% B3, B2, B1 |
