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Filter Cloth for Precoat Filtration 50 µm – Monofilament (67L) for High Throughput
Monofilament Filter Cloth for Stable Precoat Filtration and High Permeability
The WINKLER Monofilament Filter Cloth (67L) is a purpose-built filter cloth for precoat filtration, designed for high-throughput processes with fast dewatering. With a 50 µm micron rating and a very open fabric structure, this filter cloth delivers especially high liquid permeability while maintaining controlled solids retention.
The fully monofilament polypropylene fabric gives a smooth surface and stable filtration properties, making the filter cloth particularly well suited to precoat processes where an even pre-layer and reliable cake release are essential.
Application & Industry Solutions
This clear cloth is a high-performance option within our filter cloth range. It meets the highest standards in the chemicals & raw materials sector as well as sensitive processes in pharma & healthcare. It also offers excellent filtration properties for applications in agriculture.
Optimised for Precoat Filtration
Unlike classic filter press cloths, in precoat filtration the precoat layer itself handles the actual fine filtration. The filter cloth serves as a stable support structure with the lowest possible flow resistance.
The Monofilament Filter Cloth 67L was designed specifically to build an even precoat layer while enabling high filtrate throughput.
- Very high permeability: Supports fast filtration cycles.
- Even layer build-up: An optimal base for precoat media.
- Stable filtration: Even flow across the entire area.
- Low flow resistance: Efficient use of filtration pressure.
Monofilament Fabric for Minimal Clogging
The fabric is made entirely from monofilament polypropylene threads. These smooth single strands significantly reduce the tendency to clog and deliver consistent permeability over long service periods.
The open structure lets liquids pass through almost unhindered, while the precoat layer handles the actual particle retention.
Calendered Surface for Easy Cake Release
The calendered surface creates an especially smooth fabric structure. This makes the filter cake release more easily from the filter cloth, significantly simplifying cleaning.
- Minimal cake adhesion: Easy removal of the filter layer.
- Fast cleaning: Less downtime.
- Stable permeability: Even filtration over long service life.
- Long service life: Low mechanical stress on the fabric.
Your Benefits for B2B Use
- Optimised for precoat filtration: Support fabric for stable filter layers.
- Very high permeability: 160 l·dm⁻²·min⁻¹ for high throughput.
- Monofilament fabric: Smooth surface with low tendency to clog.
- Calendered: Improved cake release and easy cleaning.
- Stable filtration: Even flow over long service periods.
- Chemically resistant: Polypropylene suited to many industrial media.
- Custom sizing available: Made to fit your filtration system.
Quick Comparison: Choosing the Right Filter Cloth
The right filter cloth depends on filtrate requirements and the throughput you need:
| Type | Micron rating | Character | Typical focus |
| F-TEX Compact+ (3L) | 10 µm | Ultra-fine and very dense | Maximum filtrate clarity |
| F-TEX Brillant sun (6L) | 20 µm | Fine and very stable | High filtrate quality |
| F-TEX Classic (7L) | 25 µm | Cost-effective standard | Standard filtration |
| F-TEX Brillant black (15L) | 25 µm | High permeability | Fast cycle times |
| Monofilament (67L) | 50 µm | Very open mesh | Precoat filtration and maximum throughput |
Technical Data: Monofilament Filter Cloth (67L)
| Material | Polypropylene (PP) |
| Fabric construction | Monofilament / monofilament |
| Fabric weight | 260 g/m² |
| Air permeability | 160 l·dm⁻²·min⁻¹ |
| Finish | calendered |
| Base unit | Each |
| Micron rating | 50 µm* (*as stated by fabric supplier) |
Custom Fabrication for Your Filtration System
Using precoat filtration for your treatment processes and unsure whether this clear monofilament fabric offers enough stability for your filter cake? In a personal filtration consultation, we'll assess your requirements and make sure the 67L flow rate is matched precisely to your precoat medium.
FAQ – Precoat Filtration Cloth 50 µm (Monofilament 67L)
Common Questions About Filter Cloths for Precoat Filtration and High Throughput Filter cloths for precoat filtration are used when a very high flow rate is needed alongside a stable filter layer. Unlike classic chamber filter presses, here the precoat layer handles the actual fine filtration, while the filter cloth serves as a stable, permeable support structure. This makes a monofilament filter cloth particularly well suited to processes with high volume flows and short filtration cycles.






