ASTM C591非表面加工的硬质蜂窝状聚氨基甲酸乙酯绝热材料的标准规范
日期:2012-02-13 21:42
ation which is commonly referred to as polyisocyanurate thermal insulation. This standard does not encompass all polyurethane modified materials. Polyurethane modified polyisocyanurate and other polyurethane materials are similar, but the materials will perform differently under some service conditions.
1.3 This standard is designed as a material specification, not a design document. Physical property requirements vary by application and temperature. At temperatures below -70F (-51C) the physica
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