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  • 泡沫

Desmophen® 7619 W - for flexible slabstock foams

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材料类型

  • 多元醇

材料

泡沫
块状, 柔韧

一般特征

Desmophen® 7619 W is reactive polyether-based polyurea dispersion with a solid content of approx. 20% by weight. It is used for the production of high resilience PUR slabstock foams and for the production of high loadbearing foams.

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.
Recommended temperature for processing (°C): 20 - 25.

样品

Moisture access must be prevented when taking product samples.

包装类型

无可用数据

技术属性和数据表

属性名称 测试方法 单位 数值
pH value PET-13-02 7.5 - 8.5
TDI basic value pbw Desmodur® T calculated on 100 pbw Desmophen® 7619 W in an anhydrous state. 4.42
Appearance PET-03-04 opaque, white liquid
Specific heat capacity (Cp) at 25 °C DIN 51007 kJ/kg . K 1.779
Thermal conductivity at 20 °C DIN 52612-1 W . m-1 . K-1 0.160
Density 25 °C DIN 51757 g/cm³ 1.08
The water content must be taken into account when preparing the formulation.

属性名称 测试方法 单位 数值
Viscosity 25 °C PET-10-01 mPa*s 3200 - 4000
Viscosity 25 °C PET-10-01 mPa*s 3200 - 4000
Water content PET-19-01 % by wt. 0.45 - 0.55
Hydroxyl number 2201-0135202-90 mg KOH/g 26.5 - 30.5
Hydroxyl number 2201-0135202-90 mg KOH/g 26.5 - 30.5
Water content PET-19-01 % by wt. 0.45 - 0.55

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技术数据表
安全数据表
无可用直接下载,请访问 www.productsafetyfirst.covestro.com
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