DWD polyester ePTFE membrane filter bag using non-woven needling fabric process, by heat setting and other finishes made of smooth surface and chemical resistance, with laminate PTFE to the surface of ordinary filtration materials, dust will be rejection at the membrane surface, realize high efficient surface filtration, this kinds of filter medias has excellent chemical stability, excellent anti aging and water repellent, improve the lifetime of the filter bag.

Application:

Polyester PTFE membrane filter bag widely used in the fields of steel, cement, metallurgy, building materials, nonferrous metals , wood process, leather and so on.

Polyester with PTFE membrane filter bag parameters table

Product name		Polyester with PTFE filter bag
Material		Polyester fiber_PET scrim
Weight (g/m2)		550
Thickness (mm)		1.95
Ventilation rate(m3/m2/min)		37
Fracture strength (N/5*20cm)	longitude	＞1100
	weft	＞1500
Elongation at break (%)	longitude	＜25
	weft	＜45
Working temperature(℃)		＜130
Instantaneous working temperature (℃)		150
Breaking tension(Mpa/min)		2.50
Acid resistance		good
Alkali resistance		medium
Wear resistance		excellent
Hydrolytic stability		medium
Finish		Heat set, PTFE membrane, glazed

Remark: We always provided the products customization service.