尼龙材料fda测试熔点不通过怎么办
2021-01-12 16:28:27
U.S.FDACFR21177.1500Specificgravity密度Meltingpoint熔点Solubility/boiling4.2NHCI盐酸自中的溶解度Waterextractives去离子水浸取法95%ethanolextractives95%酒精浸取法Ethylacetateextractives乙酸乙脂浸取法Benzeneextractives苯浸取法■PP要求U.S.FDACFR21177.1520Specificgravity密度Meltingpoint熔点n-hexaneextractives正己烷浸取法Xyleneextractives二甲苯浸取法■PE,OP要求U.S.FDACFR21177.1520Specificgravity密度n-hexaneextractives正己烷浸取法Xyleneextractives二甲苯浸取法