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Desmophen® 7653 W - for flexible slabstock foams

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材料类型

  • 多元醇

材料

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一般特征

Desmophen® 7653 W is a reactive trifunctional polyether modified with a polyurea of fine particle size with a solid content of approx. 10% by weight, for the production of high resilience flexible PUR slabstock foams of medium hardness.

储存条件

Recommended storage temperature (°C): 10 - 35
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Note:
The filler dispersed in Desmophen 7653 W tends to settle. The product must be recirculated or stirred in order to homogenize it before processing.
Recommended temperature for processing (°C): 20 - 25.

样品

Moisture access must be prevented when taking product samples.

包装类型

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技术属性和数据表

属性名称 测试方法 单位 数值
TDI basic value pbw Desmodur® T calculated on 100 pbw Desmophen® 7653 W in an anhydrous state. 4.34
Specific heat capacity (Cp) at 25 °C DIN 51007 kJ/kg . K 1.801
pH 2201-0240101-92-D approx. 8
Density 25 °C DIN 51757 g/cm³ 1.05
Thermal conductivity at 20 °C DIN 52612-1 W . m-1 . K-1 0.152
The water content must be taken into account when preparing the formulation.
Appearance PET-03-04 opaque, white liquid

属性名称 测试方法 单位 数值
Viscosity 25 °C PET-10-01 mPa*s 1550 - 2050
Water content PET-19-01 % by wt. 0.23 - 0.33
Hydroxyl number 2201-0135202-90 mg KOH/g 25.5 - 30.5
Viscosity 25 °C PET-10-01 mPa*s 1550 - 2050
Water content PET-19-01 % by wt. 0.23 - 0.33
Hydroxyl number 2201-0135202-90 mg KOH/g 25.5 - 30.5

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技术数据表
安全数据表
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