国产精品交叉理伦片_亚洲三级二区亚洲欧洲综合_亚洲国产成人久久精品一区_性欧美14一18最强性少妇_欧美亚洲国产高清一区_久久婷婷国产剧情内射白浆_欧美专区第一页_亚洲图片在线播放_亚洲人中文字幕在线观看_午夜福利 无码 自拍

This series of products is γ-form aluminum oxide with white or pinkish red spherical particle. It is produced from the intermediate product as raw material, which is obtained by quick dehydration method. It has the advantages of high strength, insoluble in water, hydrocarbon, alcohol and ester etc. organic solvent, non-powdering and non-softening in the water, high clarifying degree, long service life, non-toxic, tasteless, odourless and powerful degradation and regeneration abilities to anthraquinone derivant. It is a special adsorbent for hydrogen peroxide made by anthraquinone method. This series of products has not only the ability of adsorption alkali in working solution, but also has strong regenerating ability to degradation products. So it has an important effect on decreasing the consumption of anthraquinone and stabilize working solution. The quality of the product is in the leading level of similar products in China.