220c G4 Flame Retardant Aramid Fiber Panel Air Filter

• Customization: Available
• Clapboard: without Clapboard
• Filter Number: 1
• Model NO.: SNHT-500x500x20
• Medium Material: Synthetic Fiber
• Efficiency: G4
• Filtration Grade: Pre Filter
• Type: Panel Filter
• Filter Class: G4 (En 779)
• Average Efficiency: ~90% Coarse Particles
• Max Continuous Temp: 220°C
• Peak Temp Resistance: 300°C (Short-Term)
• Filter Media: Aramid Synthetic Fiber
• Media Construction: Non-Woven Panel
• Frame Material: Aluminum / Galvanized Steel
• Custom Sizes: Available Upon Request
• Transport Package: Carton Box+Pallet
• Specification: 500x500x20mm
• Trademark: SNYLI
• Origin: China
• HS Code: 8421399090
• Package Size: 53.00cm * 53.00cm * 32.00cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

The Aramid Fiber Air Filter is a high-performance pre-filtration solution engineered for industrial ventilation systems operating under extreme conditions where both heat and chemical exposure pose significant challenges. 
Manufactured from premium aramid synthetic fibers through advanced non-woven laminating technology, this G4-class panel filter delivers reliable coarse particle capture while offering exceptional thermal stability and inherent flame retardancy. 
This filter maintains dimensional integrity with only 1% thermal shrinkage at 250°C and withstands short-term spikes up to 300°C without melting or embrittlement. 
For buyers in chemical processing, thermal power generation, metallurgy, and automotive painting operations, this product addresses three critical operational concerns: effective dust removal from hot air streams, enhanced workplace safety, and long service life in corrosive environments. 
The lightweight panel construction simplifies installation and replacement, reducing maintenance downtime and labor costs while delivering consistent pre-filtration performance that protects downstream equipment.

Parameter	Specification
Filter Class	G4 (EN 779)
Average Efficiency	~90% Coarse Particles
Max Continuous Temp	220°C
Peak Temp Resistance	300°C (Short-term)
Filter Media	Aramid Synthetic Fiber
Media Construction	Non-woven Panel
Frame Material	Aluminum / Galvanized Steel
Standard Dimension	500×500×20mm
Custom Sizes	Available Upon Request
Face Guard	Optional Mesh Cover

Product Features

The Aramid Fiber Air Filter delivers reliable performance through its specialized material engineering and thoughtful design.

1. Self-Extinguishing Without Melting Drips

The aramid media naturally chars under fire exposure, produces minimal smoke, and forms no molten droplets that could spread flames. This Self Extinguishing Filter Panel provides an essential safety layer in high-risk industrial environments where fire hazards are a concern.

2. Sustained 220°C Thermal Stability

The media operates continuously at 220°C without aging or loss of mechanical strength. Thermal shrinkage stays below 1% at 250°C, and brief 300°C exposure causes no softening, melting, or embrittlement.

3. Acid and Alkali Resistant Construction

The aramid fibers resist degradation from corrosive industrial fumes, acids, and alkalis common in chemical plants and smelting operations. This Chemical Resistant HVAC Filter outlasts standard synthetic media in aggressive environments.

4. G4 Pre-Filtration Efficiency

Captures coarse dust, lint, and large particles effectively. Protects downstream medium and HEPA filters from premature loading, extending overall system service life.

5. Fully Customizable Configuration

Frame materials (aluminum or galvanized steel), panel dimensions, and mesh cover options are available to match specific equipment specifications and installation requirements.

6. Low Airflow Resistance

Initial pressure drop measures ≤45 Pa, minimizing fan energy consumption and reducing operational expenses across the filter service life.

Product Applications

The Aramid Fiber Air Filter performs effectively across diverse high-temperature industrial environments. As a Flame Retardant Air Filter, it excels in applications where fire safety and thermal stability are paramount requirements.

1. Chemical Processing Plants

Removes coarse dust and particulate matter from hot exhaust streams containing corrosive acid and alkali fumes. The aramid media withstands chemical attack that would rapidly degrade standard polyester filters, ensuring longer service intervals and reduced replacement frequency in demanding environments.

2. Thermal Power Stations and Cement Kilns

Captures fly ash and coarse particles from flue gases at elevated temperatures. The self-extinguishing property enhances safety in high-dust environments where combustible particulate accumulation poses fire risks.

3. Automotive Paint Spray Booths and Drying Ovens

Functions as a reliable pre-filter protecting downstream medium and high-efficiency filters. Low pressure drop reduces fan energy costs in recirculated air systems while the flame-retardant media adds an essential safety layer in solvent-rich environments.

4. Metallurgical Smelting and Foundry Operations

Filters hot intake air for furnaces, kilns, and ladle preheaters. The media resists thermal cycling and chemical corrosion, ensuring long service life in extreme conditions with minimal maintenance intervention.

5. Waste Incineration and Industrial Boiler Systems

Removes coarse particulates from combustion air and flue gas streams. The self-extinguishing media provides an additional safety layer in high-temperature applications where fire risk is a continuous concern and maintenance access may be limited.

6. Asphalt and Carbon Black Production Facilities

Filters hot process air containing sticky, abrasive particulates. The non-woven aramid panel captures these particles without media blinding or rapid degradation, maintaining airflow efficiency and reducing cleaning frequency compared to standard filter media.

Company Profile

SNYLI Environmental Technology (Shandong) Co., Ltd. was established in 2010 and has grown into a professional air filtration manufacturer integrating R&D, production, and international sales under our registered SNYLI brand. Our registered brand is recognized in international markets with ISO 9001 certification and multiple patented technologies.

Our engineering team works closely with clients to develop customized filtration solutions – from media selection and frame design to dimension tailoring and mesh cover configuration – ensuring each product meets specific application requirements.

Our export experience spans Southeast Asia, Europe, North America, and the Middle East, with long-term cooperation agreements established in many countries. We offer flexible MOQ, customized dimensions and frame materials, and reliable lead times of 15-20 working days. Each product undergoes rigorous quality inspection before shipment, with test reports available upon request.