The developed coating has relative concentrated grain size distribution and consists of quartz sand 100%, bentonite 4%, polyvinyl acetate emulsision 2.5%, CMC 0.5% and other accessories.

• 研制出的涂料 ；配方为 :石英粉 10 0%25 ；膨润土 4%25 ；白乳胶 2 .；5%25；羧甲基纤维素钠 (CMC) 0