... , raw oil, oil filter;- Dry gas desulphurization device, gas filter,deficient liquid, solution filter;- Oil blending lubricant filtering ... butadiene, acetylene, benzene, xylene and otherraw material filter;- Filters such as acetone, ethanol and glycerol. The ... materials filter. Pharmaceutical industry;- Preparation of sterile air and steam filter;- Polymers in chemical fiber industry filter. Stainless ...