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1,4-Butylene Glycol~Tetramethylene Glycol

1,4-Butylene Glycol~Tetramethylene Glycol

2016-10-10
TEST ITEM SPECIFICATION RESULT Appearance:(外观) 无色或浅黄色粘稠液体 无色粘稠液体 Melting point :熔点) 20℃-21℃ 20.2℃ Volatile::(沸点) 227℃_228℃ 227.5℃ Specific...
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