ASTM C1303闭室泡沫塑料绝缘长期热阻预测用标准试验方法
日期:2012-02-13 21:25
ASTM C1303 / C1303M Standard Test Method for Predicting Long-Term Thermal Resistance of Closed-Cell Foam Insulation
ASTM C1303闭室泡沫塑料绝缘长期热阻预测用标准试验方法
Rigid gas-filled closed-cell foam insulations include all cellular plastic insulations which rely on a blowing agent (or gas), other than air, for thermal resistance values. At the time of manufacture, the cells of the foam usually contain their highest percentage of blowing agent and the lowest percentage of atmospheric gases. A
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