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
l properties of the polyisocyanurate insulation at the service temperature are of particular importance. Below -70F (-51C) the manufacturer and the purchaser must agree on what additional cold temperature performance properties are required to determine if the material can function adequately for the particular application.
1.4 The main body of this standard addresses requirements of unfaced preformed rigid cellular polyisocyanurate thermal insulation manufactured using blowing agents with an oz
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