ASTM C1303/C1303M-2014 Standard Test Method for Predicting Long-Term Thermal Resistance of Closed-Cell Foam Insulation
ASTM C1303/C1303M-2014 预测闭孔泡沫绝缘材料长期热阻的试验方法
1. ASTM C1303/C1303M标准适用范围
1.1 This test method covers a procedure for predicting the long-term thermal resistance (LTTR) of unfaced or permeably faced rigid gas-filled closed-cell foam insulations by reducing the specimen thickness to accelerate aging under controlled laboratory conditions (1-5) .2
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