ASTM C1257-2015 溶劑釋放型密封材料加速風(fēng)化的試驗(yàn)方法

　　ASTM C1257-2015

　　中文名稱(chēng)：溶劑釋放型密封材料加速風(fēng)化的試驗(yàn)方法

　　英文名稱(chēng)：Standard Test Method for Accelerated Weathering of Solvent-Release-Type Sealants

　　原文名稱(chēng)：Standard Test Method for Accelerated Weathering of Solvent-Release-Type Sealants

　　范 圍：It is difficult to establish a precise correlation between laboratory accelerated and natural weathering because of (1) geographical climatic variations, local weather variation from normal, and local pollutants and (2) the fact that the acceleration factor is material dependent, varying with the type of material as well as its formulation. This test method is used to determine the resistance of a sealant to laboratory accelerated weathering and, if a control material with known outdoor weathering performance is used, the relative weathering performance of the sealant against that of the control material.

　　發(fā)布日期：2015-03-15

　　實(shí)施日期：2015-04-01

　　標(biāo)準(zhǔn)組織：美國(guó)試驗(yàn)與材料協(xié)會(huì)標(biāo)準(zhǔn)(ASTM)

　　ICS分類(lèi)號(hào)：(91.100.50)粘合料、密封材料

　　中國(guó)標(biāo)準(zhǔn)分類(lèi)號(hào)：(Q24)密封材料

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