Dust Filter Cloth

Description

Key Requirements for Dust Filter Cloth

• Filtration efficiency

The main function of dust filter cloth is to capture dust particles in air or gas. Its filtration efficiency depends on the pore structure of the cloth, the fiber type and the thickness of the cloth. High-efficiency dust filter cloth can usually filter out particles in the range of 1-100 microns.

• Breathing and airflow resistance

Dust filter cloth needs to maintain good air permeability to ensure that air or gas can pass smoothly, but can effectively capture particles. The airflow resistance of the filter cloth should be as low as possible to reduce the pressure loss of air flow and improve the energy efficiency of the system. Excessive resistance will increase the energy consumption of the system.

• High temperature resistance

Under long-term high temperature working environment, the cloth should maintain a stable structure and not be easily deformed or degraded. Especially in some high temperature environments (such as cement, steel, glass production and other industries), dust filter cloth needs to have good high temperature resistance.

• Chemical resistance

In many industrial applications, dust may contain corrosive gases or chemicals (such as acids, alkalis, solvents, etc.). Dust filter cloth needs to have good acid and alkali resistance to avoid being corroded by chemicals.

• Mechanical strength

The dust filter cloth may be subjected to certain mechanical stress during operation, especially during back-blowing, vibration or cleaning. The filter cloth needs to have sufficient tensile strength to prevent breakage.

• Antistatic properties

In some industries, especially places containing flammable and explosive dust (such as coal dust, grain dust, etc.), the dust filter cloth needs to have antistatic properties to prevent static electricity accumulation from causing fire or explosion accidents.

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The Performance Difference Between Different Dust Filter Cloth

Material	Working Temperature	Instant Temperature	Abrasion Resistance	Hydrolysis Resistance	Acid Resistance	Alkali Resistance	Oxidation Resistance
Polyprolene Needle Felt	90℃	110℃	Good	Excellent	Excellent	Excellent	Middle
Acrylic Needle Felt	120℃	130℃	Middle	Good	Good	Middle	Good
Polyester Needle Felt	130℃	150℃	Excellent	Poor	Middle	Fair	Good
PPS Needle Felt	180℃	200℃	Good	Excellent	Excellent	Excellent	Fair
Aramid Needle Felt	204℃	220℃	Good	Middle	Middle	Good	Middle
P84 Needle Felt	240℃	260℃	Good	Middle	Middle	Middle	Good
PTFE Needle felt	250℃	280℃	Good	Excellent	Excellent	Excellent	Excellent
Fiberglass Needle Felt	250℃	280℃	Fair	Good	Middle	Fair	Good
Woven Fiberglass Filter Cloth	260℃	280℃	Good	Good	Good	Good	Good

Application of Dust Filter Cloth

• Cement Industry: Used in cement plants to capture fine particulate matter from exhaust gases and kiln emissions.
• Steel and Metal Industries: Used to remove fine dust generated during metal processing, grinding and welding.
• Mining and Quarrying: Mining minerals often creates dust that can be captured using dust filter cloths in bag filters or dust collectors.
• Woodworking and Paper Industries: These industries generate a lot of wood and paper dust that can be filtered out to maintain workplace safety and air quality.
• Chemical Processing: Used to filter fine powders and dust generated during the manufacturing of chemicals and pharmaceuticals.
• Ventilation Systems: In buildings and HVAC systems, dust filter cloths are used to improve air quality by removing dust and pollutants from the air.
• Fume and Smoke Filtration: In industries such as welding, tobacco processing and automotive, dust filter cloths are used to capture smoke and fume particles in exhaust systems.
• Food Industry: Used in food production to remove fine powders and dust generated during grinding, milling or processing operations.

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Filmedia® – The expert in filtration solutions

Filmedia® is a professional dust filter cloth manufacturer, dedicated to providing high-performance, customized filtration solutions to customers around the world. We provide filter cloths of various materials to meet the filtration needs of different working environments, ensuring efficient removal of fine particles, dust and harmful substances, protecting air quality and employee health.