Polyester Filter Cloth

Polyester filter cloth is a durable, high-efficiency filtration material widely used in the filter press industry. It offers exceptional resistance to acids, weak alkalis, and high temperatures (up to 130°C). Its smooth surface, superior wear resistance, and excellent breathability make it a top choice for industries like metallurgy, chemical processing, pharmaceuticals, and fertilizer production. With filtration precision as fine as 5 microns, it ensures optimal solid-liquid separation for diverse applications.
Key Features
✅Chemical Resistance: Excellent acid resistance and moderate alkali resistance
✅Temperature Tolerance: It withstands continuous operating temperatures up to 130°C
✅Smooth Surface: Enhanced particle release and cake discharge
✅Superior Durability: Exceptional wear resistance for extended service life
✅High Permeability: Optimized air flow and filtration efficiency
✅Fine Filtration: Capable of filtering particles as small as 5 microns
Technical Specifications
Parameter | Specification |
---|---|
Material | 100% Polyester |
Weight Range | 250-800 g/m² |
Thickness | 0.6-3.0 mm |
Air Permeability | 5-200 m³/m²/hr |
Filtration Precision | Down to 5 microns |
Tensile Strength | >2000 N/5cm |
pH Resistance | 1-9 pH |
Maximum Temperature | 130°C |
Surface Finish | Calendered/Non-calendered |

Get a Quote
Contact our team of filtration specialists today to discuss how our filter press solutions can address your specific solid-liquid separation challenges.
Manufacturing Technology
- Yarn Selection: Premium-grade polyester fibers ensure consistent quality.
- Weaving Process: Precision weaving with controlled tension parameters.
- Heat Setting: Specialized thermal treatment for dimensional stability.
- Surface Treatment: Calendering for optimal surface smoothness.
- Quality Control: Rigorous testing of mechanical and filtration properties.
Common Questions
Have More Questions? Our technical team is ready to provide detailed, personalized guidance.
Q1: What makes polyester filter cloth ideal for filter press applications?
Polyester filter cloth offers a unique combination of chemical resistance, durability, and fine filtration precision. Its ability to filter particles down to 5 microns, coupled with resistance to acids and weak alkalis, makes it a highly reliable choice for filter press operations.
Q2: How does the temperature limit affect its performance?
Polyester filter cloth is designed to operate effectively below 130°C. Staying within this temperature range helps maintain the structural integrity and performance of the cloth, ensuring optimal filtration efficiency over time.
Q3: Can polyester filter cloth be used in highly corrosive environments?
Yes, its excellent chemical resistance makes polyester filter cloth suitable for environments where acids and weak alkalis are present. However, it is important to monitor operating conditions to ensure temperatures remain below the recommended threshold.
Q4: What is the significance of a 5-micron filtration precision?
A 5-micron filtration precision means the cloth can capture very fine particles, which is crucial in industries requiring high purity. This capability ensures that even minute impurities are filtered out, resulting in a cleaner final product.
Q5: How often should the filter cloth be replaced or cleaned?
The frequency of cleaning or replacement depends on the specific industrial application and the nature of the substances being filtered. Regular inspections and adherence to manufacturer guidelines can help determine the optimal maintenance schedule to maximize longevity and efficiency.
How it works
We provide one-stop service of solid-liquid seporator planning, design, consultation, construction, equipment manufacturing, installation, commissioning and training. We are involved in complete sets of sludge dewatering projects for various industries.

Consultation what you need.
We do not aim to achieve maximum profit and do not reduce the quality of our products by catering to the market with low prices. We are happy to provide high quality tailor-made filtration equipment to you.
Production the filter press equipment for you
Our professional and advanced production technology, excellent manufacturing process, and perfect testing ensure that your equipment fully meets the quality acceptance standards.
Installation and commissioning equipment
Our skilled installation team installs this equipment for you in strict accordance with the construction drawings and construction process steps. Experienced technicians will debug and analyze the average results on site to achieve the best results and meet the needs of use.
After sales service
Our technicians patiently and meticulously answer all your questions and provide guidance and suggestions through messages, phone calls, videos, and arriving at the site.