Precision Monofilament Mesh Bags for Dry Screening and Liquid Filtration

Skytech Ultrafab Mesh Filter Bags are woven from precision monofilament nylon, polyester, or polypropylene mesh for accurate particle separation in both dry screening on vibrating screens and gyratory sifters, and liquid filtration in bag filter housings. Aperture sizes range from 25 µm to 5000 µm with tight aperture tolerances for consistent classification performance. The smooth monofilament weave is easily back-flushed, ultrasonically washed, or mechanically shaken clean — making these bags highly reusable and cost-effective in continuous production environments. FDA-compliant and antistatic grades available.

What Are Mesh Filter Bags?

Mesh filter bags are fabricated from precision-woven monofilament fabric — a textile in which each yarn is a single continuous filament of equal diameter, creating a regular, accurately-sized opening (aperture) at every yarn intersection. Unlike needle-felt bags that rely on random fibre interception for particle capture, monofilament mesh bags provide a defined aperture size that acts as a precision sieve — particles larger than the aperture are retained, smaller particles pass through. This makes mesh bags the preferred choice wherever a precise and reproducible particle size cut-off is required in screening or filtration duty.

Features and Benefits

• Precise Aperture Tolerance: Monofilament weave produces consistent aperture sizes to ±3% tolerance — delivering reliable, reproducible particle size cut-off in both dry screening and liquid filtration applications
• Wide Aperture Range: 25 µm to 5000 µm aperture sizes in a single product range — from fine pharmaceutical classification through to coarse aggregate screening
• Reusable and Easy to Clean: Smooth monofilament surface releases retained particles easily — bags cleaned by back-flushing, ultrasonic washing, or mechanical shaking and returned to service without loss of aperture accuracy
• Multiple Material Options: Nylon, polyester, and polypropylene monofilament — each optimised for specific combinations of chemical resistance, temperature, and food-contact compliance requirements
• Antistatic Grades: Antistatic monofilament blends for dry screening of electrostatically active powders — preventing particle adhesion to mesh surfaces that reduces effective open area and throughput
• FDA-Compliant Options: Nylon 6.6 and polyester monofilament in FDA 21 CFR-compliant grades for food, beverage, pharmaceutical, and nutraceutical screening and filtration applications

Technical Specifications

Applications

• Pharmaceutical Classification: Granule and powder classification in pharmaceutical manufacturing — nylon mesh bags in vibrating sifters for precise API and excipient particle size grading
• Food and Grain Screening: Grain cleaning, starch separation, and food ingredient classification — FDA-compliant nylon and polyester mesh bags in vibrating and gyratory sifter equipment
• Chemical Powder Screening: Pigment, dye, resin, and specialty chemical powder classification on vibrating screens where consistent aperture size ensures product specification compliance
• Liquid Bag Filtration: Reusable mesh filter bags in size 1 and size 2 liquid bag filter housings for paint, coating, resin, and chemical process liquid filtration where bag cleaning and reuse is economically justified
• Nutraceuticals and Supplements: Vitamin, mineral, and herbal supplement powder classification in FDA-compliant mesh sifter bags — consistent aperture ensures uniform product particle size distribution

Why Choose Skytech Ultrafab for Mesh Filter Bags?

• Full Aperture Range In-House: 25 µm to 5000 µm monofilament mesh bags all produced in-house — no sub-contracting for fine or coarse aperture sizes outside this range
• Precision Aperture Verification: Aperture size verified by optical or electronic inspection on every mesh lot before bag fabrication — guaranteeing the tolerance claimed on every order
• Reusability Testing: Mesh aperture re-verified after simulated cleaning cycles to confirm aperture stability through the expected bag service life — critical for validating reuse protocols in pharmaceutical applications
• Antistatic In-Stock: Antistatic monofilament mesh grades in common aperture sizes held in stock for rapid dispatch to chemical and pharmaceutical screening applications
• Food Safety Documentation: FDA 21 CFR compliance letters and EU food-contact regulation certificates provided with every food and pharmaceutical grade mesh filter bag order