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  • 粘合剂

Dispercoll® U 2849 XP

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关于

材料类型

  • 聚氨酯分散体
  • 高分子聚氨酯分散体
  • 水性分散体

材料

粘合剂
快速粘合, 热活化, 防潮, 耐热, 水性

一般特征

Anionic high-molecular-weight polyurethane dispersion.

Dispercoll® U 2849 XP is a waterborne dispersion of a anionically modified polyurethane. It is an adhesives raw material for the formulation of adhesives for use in e.g. the furniture-, automotive- and shoe-industries. Due to the characteristic polymer properties Dispercoll® U 2849 XP is suitable for adhesive applications with improved climate resistance.

储存条件

- Storage in original sealed Covestro containers.

- Recommended storage temperature: 5 - 23 °C, temperatures higher than
30 °C should be avoided.

- Protect from direct sunlight, frost, heat and foreign material.
General information: The product is sensitive to frost. Freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity.
Containers must be kept sealed and protected from direct sunlight as otherwise the evaporation of water will result in the formation of a non-redispersible polymer film.
Contamination with certain bacteria or fungi may render the product unusable.

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
Viscosity spindle L 2 / 30 rpm DIN 53019 mPa*s ≤ 2,000
pH-value DIN ISO 976 6.0 - 9.0
Non-volatile content (1 g / 1 h / 125 °C) DIN EN ISO 3251 % 49 - 51

属性名称 测试方法 单位 数值
Density at 20 °C DIN 51 757 g/cm3 approx. 1.1
Minimum film-forming temperature DIN ISO 2115 °C approx. 5

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技术数据表
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安全数据表
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