国产成人久久精品区一区二区_xxxx免费国产在线视频_久久精品国产亚洲片_九色国产在视频线精品视频_国产成人精品男人的天堂538_亚洲日韩中文字幕天堂不卡_日韩欧美国产中文_日韩一级免费视频

ZS-21 activated carbon for citric acid decolorization

Author： Zhengsen Environmental  |   Hits： 8539

This product uses high-quality coconut shell, apricot shell and walnut shell as raw materials, and is processed by drying, carbonization, activation and post-processing steps, and refined by special methods. The product has reasonable pore size distribution, fast adsorption speed and high chemical purity,

Special indexes can also be developed and produced according to the actual requirements of customer.

PREV：

NEXT：