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关于
材料类型
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材料
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一般特征
Desmomelt U 320 F is an aliphatic high-molecular-weight polyester polyurethane. It is a particularly fine powder for the production of non-yellowing, thermally activated hot melt adhesives. Desmomelt U 320 F is well suited for applications with low thermal activation temperatures, such as automotive, textile, footwear and furniture applications. With Desmomelt U 320 F, fast and environmentally friendly lamination processes can be realized, e.g. by powder scattering, which require particularly small particle sizes. Desmomelt U 320 F has very good adhesion to textile substrates and to a variety of other materials such as soft PVC, rubber, wood, polyurethane elastomers.
储存条件
Recommended storage temperatures: Temperatures higher than 30 °C should be avoided. Temperatures above 45 °C will lead to caking. Protect from direct sunlight, heat, moisture and foreign material.
样品
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包装类型
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技术属性和数据表
命名属性特征
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Density | g/cm^3 | approx. 1.2 | |
| Minimum activation temperature | °C | 55 - 65 | |
| Heat resistance | °C | approx. 50 | |
| Hot tack life (Depends on application conditions) | min | 2 - 5 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Solution viscosity 15 w% in butanone-2 (MEK) /water (16:1 w/w) at 23°, (30 rpm) | mPa∙s | approx. 100 | |
| Sieved over | μm | 100 |
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技术数据表
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