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  • 涂料、油漆和油墨
  • 粘合剂

Bayhydur® ultra 304

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关于

材料类型

  • PIC
  • 交联剂
  • 固化剂
  • 脂肪族聚异氰酸酯
  • 亲水性聚异氰酸酯
  • 异氰酸酯
  • 聚异氰脲酯
  • 反应型体系
  • 聚异氰酸酯

材料

涂料、油漆和油墨
超低单体, 易混合, 功能性强, 耐气候, 水性
粘合剂
超低单体, 水性, 热活化, 防潮

一般特征

Hydrophilically modified, aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
As the hardener/binder component for high-quality waterborne polymer dispersions and as an additive to improve the property level of waterborne coating and adhesive systems.
With respect to its composition, the product corresponds to the following sections of the U.S. FDA’s guidelines Title 21 CFR: Section 175.105 “Adhesives”.

储存条件

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: Hydrophilic isocyanates are very moisture-sensitive and react with water to form carbon dioxide and insoluble ureas. The containers must always be kept tightly closed. The access of water in all forms (moist air, solvents, moist containers) must be prevented, because the generation of carbon dioxide can lead to dangerous increases in pressure. Storage at higher temperatures will result in increase of color and viscosity. Due to the raw materials, the product may show visible turbidity caused by the cold. This turbidity occurs at approx. + 5 °C and is reversible when heated to room temperature. The product properties are not affected.

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 DIN 51757 g/ml approx. 1.16
Equivalent weight approx. 230
Flash point DIN EN 22719 °C 226

命名属性规范

属性名称 测试方法 单位 数值
NCO content M105-ISO 11909 % 18.2 ± 0.5
Color value (Hazen) M017-EN 1557 ≤ 60
Monomeric HDI M106-ISO 10283 < 0.10
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 4,000 ± 1,500

下载

技术数据表
安全数据表
无可用直接下载,请访问 www.productsafetyfirst.covestro.com

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