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Shanghai Dongda Polyurethane Co., Ltd.  

polyether polyol, rigid foam, waterproof coating and grouting,sealants

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  • 联系人:Vicky
  • 电话:18516796117
  • 邮件:vickykong@inovpu.com
  • QQ:992253231
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首页 > Products > PU Blend Polyols for spray insulation rigid foam/ 504
PU Blend Polyols for spray insulation rigid foam/ 504
单价 $2.40 / kg对比
询价 暂无
浏览 9
发货 China预售,付款后7天内
过期 长期有效
更新 2020-04-02 16:30
 
详细信息
 DonSpray504 is spray blend polyols, blowing agent is 245fa instead of HCFC-141B, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,
1) fine and uniformity cells
2) low thermal conductivity
3) perfect flame resistance
4) good low-temperature dimensional stability. 
It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.

Appearance                

Pale yellow to brown viscous liquid

Hydroxyl Value                mgKOH/g

200-300

Dynamic viscosity?25??   mPa.S

100-200

Specific gravity (20 ? )          g/ml

1.12-1.20

Storage temperature           ?

10-25

Storage stability             month

6