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Filter Bag

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Polyester filter bag

Specification:
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Material:
polyester filter bag are made of 100% filament polyester fiber,after needle punched, singed heat set calender for the raw polyester filter felt material, then polyester filter felt can be sewn into polyester filter bags.

Available Finish: singed,calendar,heat set PTFE membrane,W/O,anti-static treatment.

Advantage:
Polyester bag filters Breaking Elongation is less than 20% for MD and 40% for CMD,low dry shrinkage, can work well in the 130 deg C. the material is cheaper than other material, so widely used in a lot of bag house system.

  500gsm polyester needle punched felt+water&oil repellent  

Construction

Needle felt

Fibre Composition

Polyester

Scrim Composition

Polyester

Felt Area Weight

500g/m2(±5%)

Thickness

1.8-1.9mm

Mean Air Permeability

10-15 m3/m2/[email protected]

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(130℃warp)

<1.5 %       

Dry Shrinkage     CMD(130℃weft)

<1.5 %      

Operating Temperatures

<130 deg C

Recommended Maximum Continuous

130 deg C   

Recommended Maximum Surge

150 deg C      

Finish

Heat set, singed, calendared W/O Repellent

 

1. Operation temperature 150 Deg c,
2. the max surge is 150 deg c.
3. good anti-acid, good  anti-alkali ,good hydrolysis stability
4. Mean Air Permeability: 10-15 m3/m2/[email protected]
5. It is the cheapest filter media in the bag filter filtration field. Polyester bag filter is the most popular items in the bag house system.   

Polyester filter bag widely used in mine, limestone, cement, iron and steel industries,alumina delivery, electrolytic aluminum, non-ferrous metal production, wood processing, food processing and pharmacy industry.

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