... 100gsm-1000gsm4)Thickness: 0.5mm-30mm5)Usage: Air Filtration, Liquid filtration, Powder filtration Application fields:1) The fume and smoke treatment ... factories, fire-retardant factories and power stations2) Fume filtration, tiny particle recycle and division of liquid and solid ... tin, zinc, cooper and other rare metals3) Smoke filtration in garbage burning, coal-feed boiler and liquidized laid ...