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。
