Filter cloth is the filtration media fitted to filter plates, designed to separate solids from liquids in slurry.
The pore size determines how fine a particle it can capture, while the material defines its temperature resistance and chemical compatibility.
Simply put, filter cloth is the “lungs” of your filter press.
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1. Match the Right Material to Your Application
Material | Temperature Resistance (°C) | pH Range | Advantages | Disadvantages |
Polypropylene (PP) | ≤90 | 0–14 | Excellent acid and alkali resistance, economical and practical | Susceptible to oxidizing agents |
Polyester (PET) | ≤140 | 1–8 | High temperature resistance, high strength, anti-oxidation properties | Poor resistance to strong alkalis |
Nylon (PA) | ≤105 | 2–6 | Excellent wear resistance, suitable for coarse particle applications | Poor resistance to strong acids, high moisture absorption |
Use the guide below to pick the best material for your industry:
PP (Polypropylene)
Ideal for chemical applications — excellent corrosion resistance.
PET (Polyester)
Best for high-temperature processes.
Nylon
Perfect for high-wear environments like mining — highly durable.

2. Yarn & Weave Structure Directly Affect Filtration Performance
Filter cloth performance depends on more than just material — yarn type and weave also play a critical role.
Yarn Types
Monofilament
Smooth surface, easy cake release, low clogging.
Multifilament
High density, great for capturing fine particles.
Staple / Spun
Superior sealing for leak-tight filtration, but harder to release cake.
3.Weave Types & Selection Tips
Weave Type | Features | Application Requirements |
Plain | Tight weave, fine filtration, prone to clogging | High filtration precision requirements |
Satin | Smooth surface, good cake release, low clogging tendency | Rapid dewatering, easy cleaning requirements |
Twill | Diagonal structure, wear-resistant, balances flow rate and filtration precision | Minerals, coarse particles, high-pressure working conditions |
For finer filtration: choose multifilament + plain weave
For faster dewatering: choose monofilament + satin weave
For maximum durability & wear resistance: choose twill weave + nylon
Want to know more? Contact us to get the answers you need.
Ms Yanice Yu
Qingdao Star Machine Technology Co.,Ltd.
Whatsapp/ Wechat ID: +8617852092959
Email:Yanice@starmachinechina.com