Characters and features :Black powders,escellent tinting strength and covering capacity,also good at resistance to light and atmosphere,alkali resistant,without water and oil perjmeability,no acid resistance,dissolved in hot string acid .
英
美
释义
性状特点:黑色粉末,着色力和遮盖力都很好,耐光和耐大气性亦好,耐光性良好,耐碱无水渗和油渗性,不耐酸,溶于热的强酸中。
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