ASTM C689 未燃烧粘土的断裂模系数测试方法标准
日期:2012-02-13 19:01
urpose of this test method is to obtain values of rupture modulus of clays before firing, under various processing conditions (relative humidity).
1. Scope
1.1 This test method covers the determination of the modulus of rupture of ceramic whiteware clays both dry and after conditioning at 50 or 80 % relative humidity, or both.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for in
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