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Home > Industrial Equipment & Components > Filtration Equipment & Parts > Filter Cloth > 70% Polyester 30% Polyamide Blend Press Fabric With 180°C Heat Setting

70% Polyester 30% Polyamide Blend Press Fabric With 180°C Heat Setting

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Product Spotlights

High-temperature heat-set press fabric (180°C) with optimized 70% polyester and 30% polyamide blend, offering superior dimensional stability, excellent chemical resistance, and long service life. Customizable weave, weight, and size to fit any filter press, with proven reliability since 1998 from a trusted manufacturer exporting to global markets.

Negotiable MOQ: 1 Square Meter (Price negotiable depending on order volume and customization)

Key Specifications

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Material Composition:

70% Polyester, 30% Polyamide

Heat Setting Temperature:

180°C

Weave Type:

Plain or Twill (customizable)

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin shanghai qingdao

Delivery Detail:

1 days

Product Details
Company Profile
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Material Composition 70% Polyester, 30% Polyamide

Heat Setting Temperature 180°C

Weave Type Plain or Twill (customizable)

Weight 300-600 g/m² (available upon request)

Thickness 0.5-1.5 mm (customizable)

Air Permeability 10-100 L/m²·s (depending on weave)

Tensile Strength ≥2000 N/5 cm (warp & weft)

Max Operating Temperature 180°C continuous

Color White, grey, or custom

Application Filter press, sludge dewatering, chemical filtration

As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our 70% Polyester 30% Polyamide Blend Press Fabric with 180°C Heat Setting. This premium filter cloth is engineered to deliver exceptional performance in demanding industrial filtration applications. Our carefully balanced blend of polyester and polyamide fibers ensures superior dimensional stability, excellent chemical resistance, and long service life, even under continuous high-temperature exposure up to 180°C. Whether you are dewatering sludge, processing minerals, or filtering chemicals, this press fabric provides reliable, consistent results that our clients across North America, South America, Europe, and Asia have trusted since 1998.

The 180°C heat setting process is a critical step in our production, permanently locking the fabric structure to minimize shrinkage and distortion during operation. This results in a flat, stable cloth that maintains its filtration efficiency over countless cycles. Combined with the optimized blend of polyester (70%) for strength and polyamide (30%) for flexibility and abrasion resistance, our press fabric offers a winning combination of mechanical robustness and fine filtration capability. Below, we detail the key features and specifications that make this product a top choice for filter press operators worldwide.

Key Features & Benefits

Thermal Stability: Heat-set at 180°C ensures minimal shrinkage (
Optimized Fiber Blend: 70% Polyester provides high tensile strength and low elongation; 30% Polyamide adds flexibility, abrasion resistance, and improved cake release.
High Filtration Efficiency: Precise weaving and finishing create a uniform pore structure for consistent solid-liquid separation.
Chemical Resistance: Resists acids, alkalis, and organic solvents within moderate concentrations (consult our technical team for specific media).
Long Service Life: Robust construction reduces wear and tear, lowering replacement frequency and operational costs.
Easy Cake Discharge: Smooth surface and anti-stick properties facilitate quick cake release, reducing downtime.
Customizable Options: Available in various weaves (plain, twill, satin), weights, and dimensions to match your filter press requirements.

Technical Specifications

Parameter	Value
Material Composition	70% Polyester, 30% Polyamide
Heat Setting Temperature	180°C (fixed)
Weight (typical)	450 g/m² (range 300–600 g/m² available)
Thickness	0.8 mm (range 0.5–1.5 mm)
Air Permeability	30 L/m²·s @ 200 Pa (customizable)
Tensile Strength (Warp)	≥2500 N/5 cm
Tensile Strength (Weft)	≥2200 N/5 cm
Max Continuous Temp.	180°C
Standard Width	1.0 m – 2.5 m (custom widths available)

Detailed Product Advantages

Our press fabric is designed to excel in the most challenging environments. The 70% polyester component provides high tensile strength, low elongation, and excellent resistance to hydrolysis and oxidizing agents, making it ideal for acidic or alkaline filtrates. The 30% polyamide (nylon) component enhances the fabric's flexibility, impact resistance, and abrasion resistance, which is critical when handling abrasive slurries in mining or mineral processing. Additionally, the polyamide fibers improve cake release properties, reducing operator labor and maintenance downtime.

The 180°C heat setting is a distinct advantage: it thermally stabilizes the fabric, preventing it from shrinking or distorting when exposed to hot filtration cycles. This ensures consistent filtration performance over the fabric's lifespan, eliminating the need for frequent adjustments or re-tensioning. Many competing products only offer heat setting at 130–150°C, which is insufficient for applications involving hot liquids or steam washing. Our 180°C treatment guarantees dimensional stability even under extreme conditions.

Furthermore, we offer customization in weave patterns to match specific filtration requirements. For fine particle retention, a twill or satin weave with tighter pore structure is recommended. For higher flow rates with coarser solids, a plain weave is more suitable. Our technical team can help select the optimal weave based on your slurry characteristics and desired solid content in the cake.

Why Choose Anping Boli?

Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer of industrial filtration fabrics, earning trust from customers in over 20 countries. Our annual export value of US$5–10 million reflects our commitment to quality and international standards. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Each roll of press fabric undergoes rigorous quality control, including tensile testing, permeability measurement, and heat setting validation. We provide custom sizes to fit your filter press plates precisely, reducing waste and installation time.

We are confident that our 70% Polyester 30% Polyamide Blend Press Fabric will exceed your expectations for durability, filtration efficiency, and cost-effectiveness. Contact us today to request a sample, discuss your specific application, or place an order. Our experienced team is ready to assist you with technical advice and competitive pricing.

Frequently Asked Questions

What is the maximum continuous operating temperature of this fabric?
Our fabric is heat-set at 180°C and can be used continuously at temperatures up to 180°C. For intermittent peaks, higher temperatures may be tolerated but we recommend consulting our technical team for your specific process.
Can this press fabric be used with strong acids or alkalis?
Yes, the polyester component offers good resistance to dilute acids and alkalis, while polyamide is resistant to alkalis but sensitive to strong acids. For highly aggressive chemical environments, we can advise on alternative materials or additional finishes.
How do I choose the right weave for my filter press?
The choice depends on the particle size and desired cake moisture. For fine particles (
What standard widths and lengths are available?
We offer rolls from 1.0 m to 2.5 m in width, with lengths up to 100 m per roll. Custom sizes can be cut to match your filter plate dimensions exactly, minimizing waste.
Is this fabric suitable for food-grade applications?
Our standard press fabric is not certified for food contact. However, we can use food-grade raw materials and finishes upon request. Please specify your requirements when ordering.
How do I clean and maintain the press fabric?
Regular washing with low-pressure water or steam (below 180°C) helps remove trapped solids. Avoid harsh scrubbing that may damage the surface. For heavily fouled fabrics, a mild acid or alkaline cleaning solution can be used, followed by thorough rinsing.
What is the typical lead time for custom orders?
Standard sizes ship within 7–10 working days. Custom orders (width, weave, special finish) typically require 15–20 working days. Express shipping is available upon request.
Do you provide samples for testing?
Yes, we offer free samples of A4 size or small rolls for evaluation. You only need to pay for shipping. Contact us with your application details and we will send the most suitable sample.