91亚洲国产第一精品,性欧美xx另类公交车上,亚洲va国产va欧美va综合,亚洲男同帅gay片在线观看,一级毛片试看60分钟免费播放

position:Home > Products > Smoke elimination agent

  • Product introduction

    Smoke suppressant USES porous alumina and silicate as the base material, and anchors multi-functional active groups. In the extrusion and baking process of powder coating, it effectively decomposed and absorbed all kinds of small molecular materials, and has the effect of smoke suppression and flavor reduction. It is found in many formula practices that it can also partially eliminate pinholes, improve and improve the fullness of powder coating. Mix and extrude. Add 1 to 3 percent

?
91亚洲国产第一精品,性欧美xx另类公交车上,亚洲va国产va欧美va综合,亚洲男同帅gay片在线观看,一级毛片试看60分钟免费播放