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    HFC-245fa / 365mfc combined polyether polyol b-818
    share  | 19-06-03release views ID:30376
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HFC-245fa / 365mfc combined polyether polyol b-818
  • Address:中山市
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HFC-245fa/365mfc组合聚醚多元醇


产品型号:B-818


产品应用:设备不需低温和防爆改造,适合所有的硬质聚氨酯灌注发泡领域


环保性:零ODP,GWP值高,适合所有替代HCFC发泡剂的国家使用


产品优势:保温性能佳,泡沫强度好,设备不需做改造,不易燃易爆,安全性高


典型物性:


外观


黄棕色粘稠液体,无杂质


比重,(25℃,g/mL)


1.08~1.4


粘度(25℃,mPa.s)


200~600


羟值(mgKOH/g)


330~390


推荐配方与工艺参数:


POL:ISO


100:110


原料温度(25℃)


21~27


模具温度(25℃)


35~45


反应特性:(手动搅拌混合,≥2500rpm)


乳白时间,秒


8~13


拉丝时间,秒


50~70


自由发泡密度,kg/m3


26~29


典型泡沫性能:


模塑芯密度,kg/m3


≥31


初始导热系数,10℃,W/m.K


0.0180~0.0190


压缩强度,KPa,平行:


                        垂直:


≥150


≥140


尺寸稳定性,%,-30℃,48h:


                          70℃,48h:


<0.8


<1.5


闭孔率,%


≥92


 


包装与储存:


 200L铁桶,200kg/桶。常温运输,避免阳光直晒,储存场所应注意防火防爆,温度不超过30℃。密封状态下保质期6个月。


现场使用注意事项:


开盖后未使用完的白料桶需重新拧紧,其他安全事宜参照产品的MSDS。

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