添加5%絹云母的涂料 1000h 1 0 GB/T1865
備注:實(shí)驗(yàn)品種為同一顏基比、同一涂料配方 實(shí)驗(yàn)檢測結(jié)果表明,在建筑涂料中添加絹云母,能使涂料的耐候性指標(biāo)大幅度提高。其機(jī)理是絹云母具有極強(qiáng)的消光屏蔽功能,可以反射近90%的紫外線,而絹云母對紫外線的屏蔽作用主要與兩個(gè)因素有關(guān):
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