PTFE membrane for Dust Filtration：

DaGong PTFE membrane filter media (DGF Series) for dry filtration is PTFE membrane. Laminated on various reliable fabric materials with homogeneous pore size distribution, high air permeability and good laminating strength. DGF product series include filter media for ambient and high temperature applications.

DGF series filter media for dust filtration has its filter mechanism if surface filtration. Its features are so outstanding that traditional filtration methods cannot compare with it. Filter efficiency can be as high as 99.99%. It is the most effective and economic material for dust filtration and product recovery with good performance.

Applications:

DaGong PTFE Micro-size membrane can be made as water repellent, airpremabylity membrane used in garment, the filter efficiency is excellent.

聚四氟乙烯（PTFE）覆膜滤袋（常温）

Article	Type	Temp.-continue （peak）℃	Inorgarin Acid resistance	Organic Acid resistance	Albalire resistance	Hydoolysis resistance	Oxide resistance
DG-needlefelt PTFE menbrane Filter material	DGF-series	/	/	/	/	/	/
Polypropylene(PP)	DGF-202/PP	90/[100]	Excellent	Excellent	Excellent	Excellent	Poor
Polyester(PET)	DGF-202/PET	130/[150]	Excellent	Excellent	Poor	Poor	Good
Anti-static Polyester(PET/E)	DGF-202/PET/E	130/[150]	Excellent	Excellent	Poor	Poor	Good
Polyester woven Fabric(PET)	DGF-202/729	130/[150]	Excellent	Excellent	Poor	Poor	Good
Polyaramid, m-Aramide(NOMEX)	DGF-204/NO	180/[220]	Fair	Fair	Fair	Fair	Good
Fibreglass(GS)	DGF-205/GR	260/[300]	Excellent	Fair	Fair	Good	Good
Polyimide(P84)	DGF-206/PI	240/[260]	Excellent	Excellent	Fair	Good	Good
Polyphenylene Sulphide (PPS)	DGF-207/PPS	190/[200]	Excellent	Excellent	Excellent	Good	Fair
Homopolymer, homopolyacrylonitrile (DT)	DGF-208/DT	125/[140]	Excellent	Excellent	Fair	Good	Good
Polyester Paper(PEP)	DGF-209/PEP	130/[150]	Excellent	Excellent	Poor	Poor	Good
Water & Oil repel lance Polyester needlefelt (PET)	DGF-280/PET/W	130/[150]	Excellent	Excellent	Poor	Poor	Good
Water & Oil repellance anti-static Polyester needlefelt(PET/E)	DGF-280/PET/E/W	130/[150]	Excellent	Excellent	Poor	Poor	Good
Polyester needlefelt/coating(PET)	DGF-281/PET/C	130/[150]	Excellent	Excellent	Poor	Poor	Good
• If you need the detail data or specification, please don't nesitate to contant with us.

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