4A Zeolite has a pore size of 4A, which absorbs water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, and does not adsorb any molecules (including propane) with a diameter greater than 4A. The selective adsorption performance of 4A Zeolite for water is higher than any other molecular. 4A molecular sieve is one of the most used molecular sieve desiccants in the industry.
Zeolite Zeolite,zeolite water filtration,zeolite 3a,zeolite molecular sieve oxygen concentrator Yucheng Jinhe Industrial Co.,Ltd , https://www.hncarbonblack.com
According to statistics from China Association of Automobile Manufacturers, in April 2008, the top ten commercial vehicle sales companies ranked in order: Beiqi Futian, Dongfeng, FAW, JAC, CNHTC, Jinbei, Shaanxi Automobile, Changan Co., Jiangling, and Lifan. Compared with the previous month, JAC and Lifan showed a slight increase. Chang'an was limited, FAW and Beiqi Foton were among the top decliners. In April, the above-mentioned ten companies sold 222,900 commercial vehicles, accounting for 70.15% of the total commercial vehicle sales.
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