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Desmodur® 1520 A20

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材料类型

  • 芳族聚异氰酸酯

材料

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一般特征

Desmodur 1520 A20 is a dark-brown, liquid blend of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality. It is classified as a polymeric MDI (PMDI). Desmodur 1520 A20 is used for the production of polyurea-bonded particleboard and mouldings made from agricultural and forestry products and waste. When manufactured accordingly, particleboard produced using Desmodur 1520 A20 satisfy the requirements of EN Standard 312 (respectively flat pressed board for the building industry; types V20, V100 and V100G)

储存条件

Recommended storage temperature: Storage stability :+ 10 to + 30 *C.
Storage stability (ex works): 6 months if stored under moisture-free conditions.

样品

Moisture access should be prevented when taking product samples.

包装类型

Drums, IBCs, tank containers and tank trucks

技术属性和数据表

属性名称 测试方法 单位 数值
Coefficient of thermal expansion K-1 6.59 . 10-4
Specific heat (cp) kJ/kgK approx. 1.51
Density 20 °C DIN 51757 g/cm³ approx. 1.23

属性名称 测试方法 单位 数值
Acidity MDI-01-03 ppm HCI max. 200
Viscosity 25 °C*) MDI-01-02 mPa*s 160 - 240
NCO-content MDI-01-01 % by wt. 30.5 - 32.5

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技术数据表
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安全数据表
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