ASTM D790未增强和增强塑料及电绝缘材料的挠曲性的标准试验方法
日期:2012-02-08 11:29
for measurement of flexural strength only. Tangent modulus data obtained by Procedure A tends to exhibit lower standard deviations than comparable data obtained by means of Procedure B.
1.2 Comparative tests may be run in accordance with either procedure, provided that the procedure is found satisfactory for the material being tested.
1.3 The values stated in SI units are to be regarded as the standard. The values provided in parentheses are for information only.
1.4 This standard does not pur
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