Polyester needle punched felt is used in non woven needling technology, which is interlaced with fiber, and the gap is distributed in uniform fine fiber cloth. The surface of needled felt produced by polyester staple fiber and polyester yarn is treated after hot rolling, burning or coating, so that the surface is smooth and smooth, and it is not easy to be filtered by dust particles. The material has large air gap, good air permeability, wide use and strong anti chemical stability. It can not only filter gas at normal temperature, but also filter corrosive gas containing acid. It can filter water and filter oil. It is an ideal filter material in the field of normal temperature, liquid solid separation and other fields.
Polyester dedusting bag used in cement industry
Price and performance of dedusting cloth bag for polyester needled felt:
1. Polyester needle punched felt dust bag is made of short and short fibers which are staggered and evenly distributed. The porosity is 70%, which is twice as much as that of woven filter cloth.
2. The efficiency of dust removal is high and the concentration of gas emission is low.
3. The surface of polyester needle felt fabric bag is finished by hot rolling and singeing or coating. It is smooth and smooth. It can not be easy to shape, easy to deform and easy to dedusting, and has long service life.
4. The polyester needle punched felt bag has the ESD discharging from the anticorrosive blast furnace gas and the coal mill bag, and the function of static electricity is derived.
5, the price of dusting cloth bags depends on the different specifications and different types of bags.
Polyester dust collection bag parameters:
Gram weight: more than 500g/m2
Air permeability: > 8-12m3/m2.min
Meridian pull: > 900N/5*20cm
Latitudinal tension: > 1500 N/5*20cm
Extension: < 25%
Latitudinal elongation: < 45%
Use temperature: 150 degrees centigrade
Post treatment: setting, calming and waterproof
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