Donfoam 812 HCFC-141B base musanganiswa polyols for block furo
Donfoam 812 HCFC-141B base musanganiswa polyols for block furo
NHUNGAMIDZO
Donfoam 812 inosanganisa polyether polyols inoshandiswa kugadzira PUR block furo.Furo rine yunifomu sero, yakaderera thermal conductivity, thermal insulation performance yakanaka, flame retardant performance yakanaka, yakaderera tembiricha hapana kudonha mutswe etc.
Inoshandiswa zvakanyanya mukuita kwemarudzi ese ebasa rekudzivirira senge: kuvaka madziro ekunze, chengetedzo inotonhora, matangi, pombi hombe nezvimwe.
ZVINHU ZVINHU
| Chitarisiko Dynamic viscosity (25℃) mPa.S Density (20℃) g/ml Kuchengetedza tembiricha ℃ Kuchengetedza kugadzikana mwedzi | Mvura yakatsvuka yero kusvika kubrown inoonekera 250±50 1.17±0.1 10-25 6 |
INORUDZIRWA RATIO
| Items | PBW |
| Blend Polyether Polyol Isocyanate | 100 130 |
TECHNOLOGY UYE REACTIVITY(iyo chaiyo kukosha inosiyana zvichienderana nekugadzirisa mamiriro)
| Manual Mixing | |
| Raw Material Temperature ℃ Mold Tembiricha ℃ CT s GT s TFT s Free Density kg/m3 | 20-25 Ambient Tembiricha(15-45℃) 35-60 140-180 240-260 26-28 |
KUITA NEFURO
| Item | Test Standard | Tsanangudzo |
| Yakazara Molding Density Molding Core Density | GB 6343 | 40-45kg/m3 38-42kg/m |
| Yakavharwa-sero Rate | GB 10799 | ≥90% |
| Yekutanga Thermal Conductivity (15 ℃) | GB 3399 | ≤24mW/(mK) |
| Compressive Strength | GB/T8813 | ≥150kPa |
| Dimensional Kugadzikana 24h -20 ℃ RH90 70℃ | GB/T8811 | ≤1% ≤1.5% |
| Mvura Yekunyura Mwero | GB 8810 | ≤3% |
| Kupisa moto | ASTM E84 | Kirasi A |
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