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关于
材料类型
- Additives
材料
无可用数据
一般特征
Additive VP.PU 49WB81 is used for adjusting the slow-recovery behavior of viscoelastic foam grades. When compared to Additive VP.PU 49WB80, Additive VP.PU 49WB81 allows for the production of foams with higher air permeability.
储存条件
Recommended storage temperature (°C): 10 - 35.
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers.
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers.
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
样品
Moisture access must be prevented when taking product samples.
包装类型
无可用数据
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 |
|---|---|---|---|
| TDI basic value | pbw Desmodur® T on 100 pbw Additive VP.PU 49WB81 | 63.6 | |
| Density 25 °C | DIN 51757 | g/cm³ | 1.02 |
| Appearance | PET-03-04 | colourless to pale liquid |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Water content | PET-19-01 | % by wt. | ≤ 0.15 |
| Water content | PET-19-01 | % by wt. | ≤ 0.15 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 390 - 430 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 45 - 75 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 390 - 430 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 45 - 75 |
下载
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技术数据表
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安全数据表无可用直接下载，请访问 www.productsafetyfirst.covestro.com
