G4 Fiberglass Paint Arrestor 320G 100mm for Automotive Spray Booths

Operating a heavy-duty spray line means constantly battling premature clogging, frequent maintenance shutdowns, and costly exhaust system buildup. Standard 200g or 250g Paint Arrestor filter media quickly saturate under heavy paint loads, forcing frequent, labor-intensive replacements and risking damage to your exhaust fans and ducts from sticky overspray.

As a premium High-Density Fiberglass Paint Arrestor, this product is engineered to solve these exact industrial challenges. Featuring an extra-heavy 320g gram weight and a deep 100mm profile, this filter delivers an exceptionally large three-dimensional dust-holding capacity that dramatically extends replacement cycles and minimizes workshop downtime. Built with a 3-stage progressive density structure and a DIN 53438-F1 flame-retardant standard, this heavy-duty paint booth floor filter achieves over 98% overspray capture efficiency while maintaining high structural stability under heavy airflow. As a top-tier G4 Paint Stop Filter, it reliably locks in fine and coarse paint particles, protects your exhaust fans, ventilation ducts, and downstream equipment—ensuring maximum operational uptime, lower maintenance costs, and strict environmental compliance for your facility.

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We offer flexible OEM/ODM manufacturing to match your exact dimension and efficiency requirements. Contact our team for a fast quote or to verify compatibility with a free test sample.

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High-Density 320g 100mm Fiberglass Paint Arrestor for Spray Booths

  • Continuous Glass Fiber Structure: Manufactured using high-strength, non-combustible continuous glass fibers arranged in a loose-to-dense 3-stage progressive density gradient, serving as a reliable G4 Paint Stop Filter for industrial exhaust systems.

  • High-Density & Deep Loft: As a premium High-Density Fiberglass Paint Arrestor, the extra-heavy 320g/m² gram weight combined with a deep 100mm (4-inch) profile creates a massive, three-dimensional filtration network. The air-entry side captures coarse overspray, while the dense air-exit side traps microscopic paint particles, preventing media breakthrough and fiber shedding.

  • Thermal & Flame Resistance: Fully compliant with DIN 53438-F1 and UL900 Class 2 flame retardant standards, ensuring safe, reliable operation in high-temperature or rigorous spray booth environments.

  • Form Factors: Available as a heavy-duty Fiberglass Paint Arrestor Roll for bulk installation and on-site cutting, or pre-cut Filter Pads / Panels tailored to your frame dimensions.

  • Dimension & Packaging : Customized widths, lengths, thicknesses, and private-label packaging to support your local brand distribution and wholesale needs.

G4 Fiberglass Paint Arrestor: Heavy-Duty 320g/m² & 100mm Thickness for Spray Booth Exhaust

ParameterSpecification Details (LH-320G)
ColorGreen and White
Weight320G
Thickness100 ± 5mm
Max. Airflow5400m³/h
Initial resistance15pa
Final resistance200pa
Efficiency80.50%
Nominal velocity2.50m/s
Dust Holding Capacity470g/m²
Max. working Temp.170°C
Filtering GradeG4
Flame resistanceF-1 DIN53438 UL900-Class2

Fully customizable specifications available. For detailed technical data, please 【visit the product page】 or 【reach out to our technical team】directly.

fiberglass filtration media cross section

Industry Applications for G4 Glass Fiber Paint Arrestor (320g, 100mm)

Automotive Paint Spray Booths 

Installed as the primary floor exhaust filter beneath grid flooring in automotive manufacturing plants and 4S body shops, this G4 Glass Fiber Paint Arrestor easily manages massive volumes of sticky solvent- and water-borne overspray. The extra-heavy 320g gram weight and 100mm depth provide an expansive three-dimensional dust-holding capacity, preventing rapid pressure spikes and stopping sticky paint aerosols from fouling exhaust blowers and ducts.

Industrial Metal & Machinery Coating Lines 

Deployed in large-scale dry-type spray booths for heavy equipment, steel structures, and agricultural machinery to support continuous, high-output manufacturing. Utilizing premium 100mm Paint Arrestor media, its robust 3-stage progressive density structure handles heavy coating volumes without structural collapse or media breakthrough under high-velocity airflow, drastically reducing costly workshop downtime.

Furniture & Woodworking Finish Booths 

Utilized in surface finishing lines for wooden furniture, cabinets, and composite panels where viscous lacquers and sealers are heavily applied. Because viscous wood finishes quickly glue together low-capacity filters, this heavy-duty 320g Paint Stop Floor Filter features a deep loft that safely locks in sticky coating particles while maintaining stable, continuous airflow and meeting strict DIN 53438-F1 fire safety standards.

Aerospace & Defense Coating Facilities

Integrated into high-demand industrial exhaust systems requiring rigorous environmental emissions compliance and reliable filtration efficiency ($\ge 98\%$). Operating as a professional G4 Paint Stop Floor Filter, it ensures absolute filtration reliability by trapping microscopic paint particulates, preventing premature contamination of downstream activated carbon adsorption units and protecting overall facility air quality.

Maintenance Guide for Heavy-Duty 320g Paint Arrestor Media

For industrial coating lines operating under high-load conditions, we recommend monitoring pressure drop weekly; typical replacement cycles for this 320g glass fiber paint arrestor range from 7 to 10 days to maintain peak capture efficiency. In lower-load automotive spray booth settings, the deep-bed dust holding capacity allows for extended usage, potentially reaching 14 days. Regular inspection of the green-and-white indicator side is essential to ensure proper installation and to verify that your G4 paint stop filter is performing as intended. Implementing this proactive schedule will prevent excessive resistance and extend the service life of your blower motors.

Frequently Asked Questions About G4 Paint Arrestor Media rolls

A: G4 Paint Arrestor Media Rolls refer to heavy-duty, high-capacity glass fiber filtration media engineered specifically for dry-type industrial paint spray booths. Featuring an extra-heavy 320g/m² density and a deep 100mm 3-stage progressive structure, these rolls are installed beneath grid flooring as a G4 Glass Fiber Paint Arrestor to capture sticky solvent- and water-borne overspray with over 98% efficiency. They provide an expansive three-dimensional dust-holding capacity that protects exhaust fans, prevents duct buildup, and ensures compliance with DIN 53438-F1 flame-retardant standards.

A: Proper installation is vital for optimal performance. Always face the green side (air-entry side, coarser structure) toward the incoming airflow to capture large overspray particles, and let the white side (air-exit side, denser structure) face downstream to lock in fine paint aerosols. This progressive density setup ensures that this 320g Paint Stop Floor Filter achieves high-efficiency filtration without premature surface clogging.

A: Yes. Engineered specifically for high-velocity industrial exhaust systems, this 100mm Paint Arrestor Media features a robust, highly resilient glass fiber matrix. Even under heavy suction pressure beneath spray booth grid flooring, the deep loft maintains its structural integrity and prevents media breakthrough, ensuring zero fiber shedding or fiber migration into your exhaust ducts.

A: Absolutely. We supply this product as a standard Fiberglass Paint Arrestor Roll in various widths and lengths, allowing your maintenance team to easily cut pads on-site to fit custom-sized holding frames or pit grilles. Pre-cut pads and custom panel dimensions are also available upon request to match your exact spray booth specifications.

A: Yes, safety and compliance are paramount in industrial painting. This professional G4 Paint Booth Floor Filter fully complies with DIN 5510-2 and UL900 Class 2 flame-retardant standards. It effectively resists sparks and high temperatures, helping your facility meet rigorous local environmental emissions regulations and fire safety codes.

Do you have any questions about how our air filtration products apply to your specific industry?
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