Donfoam 812 HCFC-141B polyols basa gabungan kanggo pemblokiran umpluk
Donfoam 812 HCFC-141B polyols basa gabungan kanggo pemblokiran umpluk
PURWAKA
Donfoam 812 gabungan polyols polyether digunakake kanggo gawé pemblokiran PUR umpluk. umpluk wis sel seragam, termal doyo kurang, kinerja termal jampel apik, kinerja semangat retardant apik, suhu kurang ora shrinking crack etc.
Digunakake digunakake ing proses kabeh jinis karya jampel kayata: bangunan tembok njaba, panyimpenan kadhemen, nawakke, pipo gedhe etc.
fisik
| katon
viskositas Dynamic (25 ℃) mPa.S Kapadhetan (20 ℃) g / ml suhu panyimpenan ℃ stabilitas Storage sasi |
cahya kuning kanggo Cairan transparent coklat 250 ± 50 1,17 ± 0,1 10-25 6 |
aspek dianjurake
| item |
PBW |
| Campuran Polyether Polyol
Isocyanate |
100 130 |
TEKNOLOGI lan kerja (nilai pas gumantung kahanan Processing)
|
nyawiji manual |
|
| Material Raw suhu ℃
Mold suhu ℃ CT s GT s TFT s Free Kapadhetan kg / m 3 |
20-25 Suhu sekitar (15-45 ℃) 35-60 140-180 240-260 26-28 |
pagelaran umpluk
|
item |
test Standard |
Keterangan |
| Sakabèhé Molding Kapadhetan
Molding inti Kapadhetan |
GB 6343 |
40-45kg / m 3 38-42kg / m |
| Rate Ana-sel |
GB 10799 |
≥90% |
| Initial termal doyo (15 ℃) |
GB 3399 |
≤24mW / (MK) |
| Strength compressive |
GB / T8813 |
≥150kPa |
| dimensi Stabilitas
24h -20 ℃ RH90 70 ℃ |
GB / T8811 |
≤1% ≤1.5% |
| Rate panyerepan banyu |
GB 8810 |
≤3% |
| Flammability |
ASTM E84 |
kelas A |
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