ASTM C1029 喷施的刚性蜂窝状聚氨基甲酸乙酯绝热材料
日期:2012-02-08 12:11
e produced by the catalyzed chemical reaction of polyisocyanates with polyhydroxyl compounds and by the catalyzed polymerization of polyisocyanates. The following test methods shall be performed: thermal resistance; compressive strength; water vapor permeability; water absorption; tensile strength; response to thermal and humid aging; closed cell content; and surface burning characteristics.
This abstract is a brief summary of the referenced standard. It is informational only and not an official
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