Premium Depth Filtration for Liquids Across Industries

Skytech Ultrafab Felt Filter Bags are manufactured from high-quality needle-punched felt in polypropylene, polyester, and nylon fibres, delivering reliable multi-pass liquid filtration for paint, ink, resin, water treatment, chemical, and food & beverage applications. With greater dirt-holding capacity than woven surface-filtration alternatives, felt bags provide longer service intervals and lower total cost of filtration.

What Are Felt Filter Bags?

Felt Filter Bags are depth-filtration elements made from needle-punched non-woven fabric. Unlike woven bags that capture particles only on the surface, felt bags trap particles throughout the full depth of the fabric — providing significantly higher solids loading before pressure drop forces a bag change.

Features and Benefits

• High Dirt-Holding Capacity: Three-dimensional depth structure captures particles at multiple fibre layers, extending service life 3–5× over woven alternatives
• Wide Micron Range: Available from 0.5 µm to 200 µm absolute rating to cover fine polishing through coarse pre-filtration
• Multiple Materials: PP, PES, nylon, and polyamide felts cover service temperatures from ambient to 135°C and a broad chemical range
• Food-Grade Options: FDA 21 CFR-compliant felt grades for beverage, edible oil, and pharmaceutical liquid polishing
• Multiple Closure Styles: P1 and P2 polypropylene ring tops, snap-band, velcro tie-top, and sewn-closed configurations for all standard bag filter housings
• Surface Treatments: Singed and calendered finishes reduce fibre shedding and improve particle capture efficiency

Applications

• Paint & Coatings: Removing pigment agglomerates and metallic contamination from solvent-borne and water-borne paints
• Ink Manufacturing: Polishing printing inks to remove undispersed pigment particles and gel contamination
• Resin & Adhesive: Straining hot-melt adhesives, epoxy resins, and polymer solutions for defect-free product
• Water Treatment: Pre-filtration ahead of RO membranes and ion exchange beds in industrial water treatment
• Food & Beverage: Wine, beer, fruit juice, edible oil, and sugar syrup polishing to achieve required clarity
• Chemical Processing: Removing catalyst fines, insoluble residues, and particulate contamination from process chemicals

Why Choose Skytech Ultrafab for Felt Filter Bags?

• Consistent Micron Ratings: In-house quality control ensures every bag meets its stated absolute micron rating for repeatable filtration results
• Zero Fibre Migration: Thermally bonded surface treatment eliminates loose fibre contamination into filtered liquid
• Fast Delivery: Standard sizes and micron ratings held in stock for same-week dispatch across India
• Technical Selection Help: Our application engineers match the right felt material, micron rating, and closure style to your specific process fluid
• Competitive Pricing: Direct manufacturer economics pass significant savings to end users compared to branded imported alternatives