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
- 性狀特點(diǎn):黑色粉末,著(zhù)色力和遮蓋力都很好,耐光和耐大氣性亦好,耐光性良好,耐堿無(wú)水滲和油滲性,不耐酸,溶于熱的強酸中。