Problems · Troubleshooting

Why Filter Cloth Abrasion & Short Service Life?

Symptoms · Root Causes · Proven Solutions

Filter cloth abrasion is a mechanical failure marked by thinning, pinholes, cuts or tears—often around feed ports, plate edges and sealing zones. Locate the wear pattern before replacing the cloth, because hard particles, plate burrs, wrinkles and chemical or heat damage require different corrective actions.

The Problem

What Is Happening?

A short service life is not solved by a finer aperture alone. Map where each cloth fails, inspect plate contact surfaces and compare the slurry's abrasiveness, pH and temperature with the selected fiber before choosing a tougher construction.

Common Symptoms

Pinholes, slits and tearing on cloth edges or feed inlets
Filtrate suddenly turns turbid after a short running time
Monthly cloth replacement volume rises sharply
Metal burrs on filter plates scratch new cloth immediately

Root Causes

4 Root Causes

Abrasive Slurry

Hard abrasive particles continuously scour the cloth surface.

Damaged Filter Plates

Burrs, cracks or sharp edges on worn plates cut the cloth.

Wrinkled Installation

Misaligned cloth creates concentrated friction during clamping.

Chemical or Heat Attack

Hot acid or alkali slurry reduces fiber tensile strength.

Proven Solutions

3 Recommended Actions

Solution 01

Use Wear-Resistant Cloth

Select thickened monofilament or double-layer wear-resistant cloth for abrasive slurry.

Solution 02

Repair Plate Surfaces

Polish burrs before installation and replace deeply scratched plates.

Solution 03

Standardize Installation

Center and tension each cloth without wrinkles, protect feed and sealing areas from sharp contact, and verify that fiber chemistry matches slurry pH and temperature. Track failure location and operating hours so recurring mechanical damage can be separated from chemical degradation.