DonFoam 812 HCFC-141b Base Mickan Polyol don toshe kumfa
DonFoam 812 HCFC-141b Base Mickan Polyol don toshe kumfa
Shigowa da
DonFoam 812 Hada polyeth Polyols da aka yi amfani da shi don samar da kumfa pur toshe kumfa. Da kumfa yana da sel sumber, low therylernerity, rawar da ake amfani da zafi yana da kyau, harshen wuta ba shi da kyau, low zazzabi babu shrinking crack da sauransu.
Amfani da yawa ana amfani da shi wajen aiwatar da nau'ikan rufi yana aiki kamar: gina bango na waje, ajiyar sanyi, tankuna, manyan bututu da sauransu.
Dukiya ta jiki
| Bayyanawa Dynamic danko (25 ℃) MPa.s Density (20 ℃) g / ml Yawan zafin jiki ℃ Watan kwanciyar hankali | Haske mai haske zuwa launin ruwan kasa mai launin ruwan kasa 250 ± 50 1.17 ± 0.1 10-25 6 |
Shawara Ratio
| Abubuwa | Pbw |
| Hada polyeth ISocYANat | 100 130 |
Fasaha da Hutu(ainihin darajar ya bambanta da yanayin sarrafawa)
| Haɗin hannu | |
| Raw kayan zafin jiki ℃ Zazzabi zazzabi ℃ CT s Gt s TF Kyauta kg / m3 | 20-25 Amancin zafin jiki (15-45 ℃) 35-60 140-180 240-260 26-28 |
Wasan kwaikwayo na kumfa
| Kowa | Standaryan gwaji | Gwadawa |
| Gabaɗaya canzawa Mold Core | GB 6343 | 40-45kg / m3 38-42kg / m |
| Kudin sel | GB 10799 | ≥90% |
| Kwarewar Thermal na farko (15 ℃) | GB 3399 | ≤24mw / (Mk) |
| Ikon m | GB / t8813 | ≥150kpa |
| Ado mai kyau 24h -20 ℃ Rh90 70 ℃ | GB / t8811 | ≤1% ≤1.5% |
| Addin Shan Rage | GB 8810 | ≤3% |
| Harshen wuta | Astm E84 | Aji a |
