亚洲字字幕在线中文乱码_国产小视频福利免费视频_国语AV流畅在线观看_无码无卡高清免费视频A级

     
Boron
PDF 0
Boron is a widely used chemical raw material mineral, mainly including boron ore, boric acid, borax and various boron compounds
Product characteristics
Boride is an important component of enamel, ceramics and glass, which has good heat resistance and wear resistance, can enhance luster, improve surface finish, etc
Application instructions
Mainly used in glass industry, ceramic industry, detergent, chemical fertilizer, metallurgy industry, etc
Application instructions