ASTM C356预制高温隔热材料受均热后线性收缩率的标准测试方法
日期:2012-02-13 17:37
ASTM C356 Standard Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to Soaking Heat
ASTM C356预制高温隔热材料受均热后线性收缩率的标准测试方法
Linear shrinkage, as used in this test method, refers to the change in linear dimensions that has occurred in test specimens after they have been subjected to soaking heat for a period of 24 h and then cooled to room temperature.
Most insulating materials will begin to shrink at some definite temperature. Usually
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