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Desmodur® 70WF64 - for flexible moulded foams

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材料类型

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材料

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一般特征

Desmodur 70WF64 is a mixture of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality used for the production of flexible polyurethane cold-curing HR molded foam for automotive seating.

储存条件

Recommended storage temperature (°C): 20 - 40
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the nature of the product.
Recommended temperature for processing (°C): 20 - 25
Lengthy storage leads to an increase in viscosity of Desmodur® 70WF64, although in our experience this has no adverse effect on processing.

样品

Moisture access must be prevented when taking product samples.

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
Density 25 °C DIN 51757 g/cm³ approx. 1.24
Appearance DIN ISO 6271 brownish black liquid

属性名称 测试方法 单位 数值
NCO content MDI-01-01 % by wt. 32.0 - 33.0
Acidity MDI-01-03 ppm ≤ 150
Viscosity 25 °C MDI-01-02 mPa*s 15 - 35
Viscosity 25 °C MDI-01-02 mPa*s 15 - 35
Acidity MDI-01-03 ppm ≤ 150
NCO content MDI-01-01 % by wt. 32.0 - 33.0

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技术数据表
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