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PP filter bag

PP filter bag

polypropylene needle punched felt
450gsm, 500gsm, 550gsm
Finish Treatment:
Singed, calendered, heat set, stainless steel ground wire ( antistatic )
Size: diameter 100mm, 125mm, 130mm, 150mm, 180mm, 250mm ect. 
Any length is available. Special size is customizable.
Process Method: sewing or welded
a) Competitive price
b) normal temperature 
c) water & oil repellent
Dust collector filter bag: 
Since every filter has its own characteristics and parameters, 
when we chose fiter material for dust collector filter bags, 
we have to know the following parameters: temperature, humid, 
dust diameter, gas chemictal properties, dust abrasive, filter's mechanical parameters. 
Generally, SFF dust collector filter bags are widely used in industrial waste gas filtration, useful dust, high temperature gas filters.
Shanghai filter bag factory provides you good solution according to dust characteristics, help you chose good filter material to achieve best filtering effective.
Polypropylene needle felt 
Construction Needle felt
material Polypropylene needle felt 
Srim support Yes
Felt Area Weight 500g/sqm +/-5%
Thickness 1.8-2.0mm
Mean Air Permeability 11-15 m3/m2/min@12.7mmH2O
Breaking Strength-MD  >960(N/200×50mm)
Breaking Strength-CMD)  >1060N / (N/200×50mm)
Breaking Elongation( N/5cm)-MD  <35%
Breaking Elongation( N/5cm)-CMD <55%
Dry Shrinkage MD(260℃) <2.5%       
Dry Shrinkage CMD(260℃) <1.5%      
Operating Temperatures 90 deg C
Recommended Maximum Continuous 90 deg C   
Recommended Maximum Surge 110deg C      
Finish  Singed,calendered,heatset
widely used in flour industry, used in the field is fume temperature under 90℃.

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