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  • 粘合剂

Desmocoll® 540/2

Desmocoll 540/2 is a predominantly linear hydroxyl polyurethane. It is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterized by its high green strength and the heat resistance of the bonds. Desmocoll 540/2 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.

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材料类型

  • 聚氨酯树脂

材料

粘合剂
热活化, 溶剂型

一般特征

Desmocoll 540/2 is a predominantly linear hydroxyl polyurethane.
It is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterized by its high green strength and the heat resistance of the bonds.
Desmocoll 540/2 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.

储存条件

Desmocoll 540/2 should be stored in tightly sealed original containers and protected from direct sunlight, moisture, heat, and foreign materials. Recommended storage temperature is 0º-25ºC.

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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
Solution viscosity 15% in butanone-2 (MEK)at 23oC, Haake mPa∙s 750 ± 250

属性名称 测试方法 单位 数值
Crystallization min approx. 10
Hot tack life min approx. 4
Bondability of materials containing plasticizers excellent
Heat resistance °C approx. 80
Density g/ml approx. 1.2
Minimum activation temperature °C approx. 60
Hydroxyl content % < 0.1

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技术数据表
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