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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
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首页 > Products > PU raw material for continuous panel
PU raw material for continuous panel
单价 $2.30 / kg对比
询价 暂无
浏览 7
发货 China预售,付款后7天内
过期 长期有效
更新 2020-03-28 12:25
 
详细信息
 DonPanel 422 blend polyols is a compound which consists of polyether polyols, surfactants, catalysts, HCFC-141B and flame retardant in a special ratio. The foam has good thermal insulation property, light in weight, high compression strength and flame retardant and other advantages. It is widely used to produce continuous sandwich panels, corrugated panels etc, which applies to make cold stores, cabinets, portable shelters and so on.

Appearance
Light yellow transparent viscous liquid
Hydroxyl value mgKOH/g
300-340
Dynamic viscosity (25?) mPa.S
300-400
Density (20?) g/ml
1.12-1.16
Storage temperature ?
10-25
Storage stability month
6
Items
Manual mixing
High temperature machine
Raw material temperature ?
20-25
20-25
Mould temperature ?
35-45
35-45
Cream time s
8-16
6-10
Gel time s
30-60
30-40
Free density kg/m3
28.0-35.0
33.0-35.0