Polyester Filter Bag with PTFE Membrane

Product Description

Advantages of SFFILTECH membrane polyester filter bag:
product reliability
Technical support for the lifetime of the filter bags
Big stock for order supply stable
Mass production supply with so many years' experience
Each test for each order by our test person

Material of membrane polyester filter bag:
polyester filter bag are made of 100% filament polyester fiber,after needle punched, singed/ heat set/calender/cover ePTFE membrance for the raw polyester filter felt material, then memberance polyester filter felt can be sewn into polyester filter bags.
Polyester filter felt treatment: singed, calendar, heat set PTFE membrane, W/O, anti-static treatment.
Polyester felt Advantage and basic specification: Polyester felt is cheaper than other filter felt, which is why also widely used in a lot of bag house system. Polyester bag filters Breaking Elongation is less than 20% for MD and 40% for CMD, low dry shrinkage, can work well below the 130 deg C. Employing ePTFE film polyester cloth, the filter material has low resistance, reduces the operation energy consumption of the dust remover, and improves the ability to capture extremely fine dust.

Specification of membrane polyester filter bag:

Construction	Needle punch felt
Fibre Composition	Polyester
Scrim Composition	Polyester
Felt Area Weight	350--500g/m2(±5%)
Thickness	1.8-1.9mm
Mean Air Permeability	10-15 m3/m2/min@12.7mmH2O
Breaking Strength-MD(warp)	900 N / 5cm
Breaking Strength-CMD(weft)	1300 N / 5cm
Breaking Elongation( N/5cm)-MD(warp)	20%
Breaking Elongation( N/5cm)-CMD(weft)	40%
Dry Shrinkage MD(130ºC(warp)	<1.5 %
Dry Shrinkage CMD(130ºC(weft)	<1.5 %
Operating Temperatures Recommended Maximum Continuous	<130 deg C 130 deg C
Recommended Maximum Surge	150 deg C
Finish	Heat set, singed, calendared W/O Repellent

Application of membrane polyester filter bag:
Polyester filter bags are widely used in food, medicine, petroleum, paint, coating, chemical industry, metallurgy, electronics, machinery, automobile, light industry and other fields.

Specific applications of dust filter bags in various working conditions:where will be the filter bag installed in each plant?
Scope of application for filter bagCement plant: crushing, grinding, coal grinding, material transportation, dedusting on the top of the warehouse, raw meal grinding, cement grinding, packaging.
Metallurgical plants: electric furnaces, blast furnaces, desulfurization furnaces, induction furnaces, casting, sandblasting, barrel furnaces.
Power plant: material conveyor, smoke (powder) dust treatment, fly ash storage.
Aluminum plant: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, self-baking dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food/pharmaceutical: additives, drying section, flour/grain processing, sugar and pesticide tablets, packaging.
Chemicals: plastic fibers, resins, tires/rubber, coking, bleaching powder, packaging.
Each plant will have different filter bags,for more detail, we have the investigation file for you to choose the right filter bag. Or you can come to us directly, we will give you fully suggestion.
How to install the filter bag in the right way?

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