BS 2782-6 Method 640A-1979 塑料的试验方法.尺寸特性.热固性模制材料在压模制棒材过程中试样的收缩量测定

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标准号:BS 2782-6 Method 640A-1979
中文标准名称:塑料的试验方法.尺寸特性.热固性模制材料在压模制棒材过程中试样的收缩量测定
英文标准名称:Methods of testing plastics - Dimensional properties - Determination of shrinkage of test specimens in the form of bars of compression moulded thermosetting moulding materials
标准类型:G31
发布日期:1979/8/31 12:00:00
实施日期:1979/8/31 12:00:00
中国标准分类号:G31
国际标准分类号:83.080.01
适用范围:This International Standard specifies a method of determining the moulding shrinkage and the shrinkage after heat treatment of thermosetting moulding materials. These characteristics are useful for the production control of thermosetting materials and for checking uniformity of manufacture. Furthermore, knowledge of the initial shrinkage of thermosetting materials is important for the construction of compression moulds, and that of post-shrinkage for establishing the suitability of the moulding material for the manufacture of moulded pieces with accurate dimensions.

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