日本高清视频卡一卡二_国产亚洲成AV人片在线观黄桃_很黄的赤裸裸美女视频_可以直接看A片的国产网站_影音先锋电影aⅤ资源_无遮挡h肉动漫网站_日韩无码首页_青柠视频在线观看bd_1963菠萝蜜女人体_无码人妻aⅴ一区二区三区不卡

NSG series coconut shell granular activated carbon

NSG series coconut shell granular activated carbon

Author: Zhengsen Environmental  |   Hits: 16847

2009616191652.jpg

NSG series coconut shell granular activated carbon is made of high-quality coconut shell, apricot shell and walnut shell by drying, carbonization, activation and post-treatment. It has the characteristics of strong adsorption, large specific surface, low ash and high mechanical strength. It is suitable for air purification, catalyst carrier, precious metal extraction, drinking water purification, solvent recovery and drug decolorization.


PREV:No info

NEXT: