午夜三级国产精品_日韩女同区二区三区五区_久播影院理论片在线看_国产精品无码不卡午夜_露脸在线国产眼镜_亚洲成a人蜜臀av在线播放_中文免费欧美高清_精品熟人妻一区二区三区四_国产免费无码自拍发布_美女自卫慰视频福利喷水

About Jinshan Product Center News Center Factory Style Partner Contact Us
MC MT carbon black

【composition】

This product is made of raw clean coal as the main raw material, through crushing, screening, surface treatment and other processes, with carbon, silicon dioxide, aluminum oxide and other elements as the main component of the rubber reinforcing agent.

【Exterior】

It is brownish gray, black powder or granular.

【Store】

Suitable for tires and various rubber products.

【use】

Should be stored in a dry and ventilated warehouse.

【package】

Packed with plastic bag lined and woven bag for external use.