性色av浪潮av_国产亚洲亚洲国产一二区_最新国产视频_国产中文字幕一区二区_99热最新_伊人二本二区

Chemicals: Carbon steel skeleton of acrylic monomers series
GC content: ≥99.9%
Metal ion content: ≤100ppm
Loss on drying:≤0.2%
Oligomer content: ≤200ppm
Production scale: 10 tons / year
Usage: used as the core IC supporting materials