Quality Inspection for Sewage Treatment Filter Cloth – Filter cloth of filter press Non-woven liquid filter cloth – Great Wall

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Our primary goal is to offer our clients a serious and responsible business relationship, providing personalized attention to all of them for Paraffin Plate Filter Sheets, Winkle Filter Paper, 10micron Filter Bag, Welcome to post your sample and color ring to let us produce according to your specification.Welcome your inquiry! Looking forward to building long-term cooperation with you!

Quality Inspection for Sewage Treatment Filter Cloth – Filter cloth of filter press Non-woven liquid filter cloth – Great Wall Detail:

Filter press cloth

Filter press cloth normally include 4 types, polyester(terylene/PET)polypropylene (PP), chinlon (polyamide/nylon) and vinylon. Especially the PET and PP materials are very popularly used. Plate frame filter press filter cloth is used for solid liquid separation, so it has higher requirements on resistance performance to both acid and alkali, and some time might on the temperature etc.

Polyester/PET Filter Press Cloth

Polyester Filter Cloth can be divided into PET staple fabrics, PET long thread fabrics and PET monofilament. These products possess the properties of strong acid- resistance, fair alkali- resistance and operating temperature is 130 centigrade degrees. They can be widely used in pharmaceuticals, non-ferry melting, chemical industrial for the equipment of frame filter presses, centrifuge filters, vacuum filters etc. The filtering precision can reach less than 5microns.

Polypropylene/PP filter Press Cloth

Polypropylene filter cloth possesses the properties of acid-resistance.Alkali-resistance, small specific gravity, a melting point of 142-140centigrade degrees, and operating temperature maximum of 90 centigrade degrees. They are mainly used in precision chemicals, dye chemical, sugar, pharmaceutical, alumina industry for the equipment of frame filter presses, belt filters, blend belt filters, disc filters, drum filters ect. The filter precision can reach less than 1 micron.

Filter Press Cloth Advantages

Good Material

Acid and alkali resistance, not easy to corrode, high temperature resistance, low temperature resistance, good filterability.

Good Wear Esistance

Carefully selected materials, carefully made products, not easy to damage and have a long service life.

Wide Range of Uses

It is widely used in chemical, pharma-nautical, metallurgy, dyestuff, food brewing, ceramics and environmental protection industries.

Please contact Great Wall for recommendations on your specific filtration process as results may vary by product, pre-filtration and filtration conditions.

Material	PET(Polyester)	PP	PA Monofilament	PVA
Common Filter Cloth	3297、621、120-7、747、758	750A、750B、108C、750AB	407、663、601	295-1、295-104、295-1
Acid Resistance	Strong	Good	Worse	No Acid Resistance
Alkali Resistance	Weak Alkali Resistance	Strong	Good	Strong Alkali Resistance
Corrosion Resistance	Good	Bad	Bad	Good
Electrical Conductivity	Worst	Good	Better	Just So So
Breaking Elongation	30%-40%	≥ Polyester	18%-45%	15%-25%
Recoverability	Very Good	A Little Better Than Polyester		Worse
Wear Resisitance	Very Good	Good	Very Good	Better
Heat Resistance	120℃	90℃ A Little Shrink	130℃ A Little Shrink	100℃ Shrink
Softening Point(℃)	230℃-240℃	140℃-150℃	180℃	200℃
Melting Point(℃)	255℃-265℃	165℃-170℃	210℃-215℃	220℃
Chemical Name	Polyethylene Terephthalate	Polyethylene	Polyamide	Polyvinyl Alcohol

Applicable industries

Used in air filtration and removal of dust, dust collection powder, in smelters, chemical sugar, fuel, medicine, food and other industries.

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