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材料类型
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材料
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一般特征
Desmocoll® 621/0 is a predominantly linear, flexible hydroxyl polyurethane with a high rate of crystallization and low thermoplasticity. It has good adhesion on many flexible PVC substrates. Desmocoll® 621/0 is characterized in particular by its long tack live after thermal activation.
储存条件
- Storage in original sealed Covestro containers.
- Recommended storage temperature: 10 - 25 °C.
- Protect from direct sunlight, moisture, heat and foreign material.
- Recommended storage temperature: 10 - 25 °C.
- Protect from direct sunlight, moisture, heat 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
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Solution viscosity, 15 % inbutanone-2 (MEK) at 23 °C, Haake | DIN EN ISO 3219/A.3 | mPa*s | 1,250 ± 250 |
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Hydroxyl content | DIN 53 240 | % | < 0.1 |
| Hot tack life | DIN EN 12961 | min | approx. 8 |
| Minimum activation temperature | DIN EN 12961 | °C | approx. 55 |
| Heat resistance | ASTM D 816 | °C | approx. 70 |
| Density | DIN EN ISO 2811 | g/ml | approx. 1.2 |
| Crystallization | DIN 53 505 | h | approx. 2 |
| Bondability of materials containing plasticisers | DIN EN 15307 | very good |
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技术数据表
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