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Bayflex® 5253

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材料类型

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材料

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一般特征

Bayflex® 5253 is a moldable microcellular polyurethane foam, designed for high production molded gasket applications such as radial seal filters.

储存条件

Avoid moisture contamination during storage, handling, and processing. For both components, pad containers with either nitrogen or dry air (desiccant cartridge or air dryer at -40°F dew point).
Store poly component B from 18 °C to 30 °C (65°F to 85°F). Mix poly component to a homogenous state before use and before removing any material from container.
For optimum shelf life, the recommended storage temperature for the isocyanate component is 20 °C to 35 °C (68°F to 95°F). Do not expose isocyanate component to lower temperatures – freezing may occur.

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
Material Temperature °C 30 - 40
Mix Ratio by Weigh polyol/isocyanate 100/48
Rise Time seg 78 ± 4
Cream Time seg 26 ± 3
Mold Temperature °C 53 ± 5
Free Rise Density kg/m3 255

属性名称 测试方法 单位 数值
Dynamic Viscosity 25 °C mPa.s 1200
No. OH mg KOH/g 138
Appearance Black liquid
POLYOL
Water Content wt. % max. 0.3
Specific Gravity approx. 1.05

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技术数据表
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安全数据表
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