Medium-Temp PTFE Dust Filter Bags Factory Filtration

 Alternative Names and Product Introduction 

Referred to as Polytetrafluoroethylene Filter Bags and Chemical-Resistant PTFE Felt Bags, these filtration solutions are designed for industrial environments requiring moderate temperature resistance and exceptional chemical inertness. Unlike high-temperature PTFE filters, medium-temp variants are optimized for operations between 70°C and 160°C (158°F and 320°F), balancing performance and cost for factory filtration systems.

Constructed from 100% PTFE fiber felt, the bags leverage the material’s inherent resistance to acids, alkalis, and organic solvents, making them indispensable in chemical processing and pharmaceutical manufacturing. Their non-stick surface minimizes dust cake buildup, ensuring consistent airflow and reducing maintenance frequency.

 Product Core Features 

Material Science and Performance

Chemical Inertness: Resists attack from 95% of industrial chemicals, including sulfuric acid (pH 1), nitric acid, and strong bases (pH 14).

Filtration Precision: Achieves absolute filtration ratings from 0.1μm to 1μm, capturing submicron particles with >99.9% efficiency in factory emissions.

Temperature Stability: Operates continuously at 160°C (320°F) with short-term tolerance up to 180°C (356°F) during process surges.

Structural Integrity: Heat-welded seams eliminate glue contamination, while reinforced edges prevent tearing under pulsating airflow.

Operational Advantages

Low Pressure Drop: Hydrophobic surface reduces moisture absorption, maintaining differential pressure below 2.0 bar at standard airflow rates.

Dust Release: Non-adhesive properties enable effective cleaning during pulse-jet cycles, extending service intervals to 12–18 months.

Compliance: Meets ISO 14644-1 Class 5 standards for cleanroom environments, suitable for electronics and pharmaceutical facilities.

 Analysis of Typical Application Scenarios 

Medium-Temp PTFE Dust Filter Bags excel in factory settings with chemical exposure and moderate temperatures:

Chemical Manufacturing: Filters dust from pesticide synthesis, dye production, and polymer processing, resisting solvent vapors.

Electronics Industry: Controls particulate emissions in semiconductor fabrication, ensuring <0.1μm particle counts in cleanrooms.

Food and Beverage: Manages dust from flavoring agents and additive processing, complying with FDA 21 CFR 177.1550 regulations.

Waste Incineration: Captures acidic fly ash in medium-temperature incinerators (<160°C) processing non-hazardous waste.

 Comprehensive Product Advantages 

This PTFE filter bag outperforms conventional materials in key metrics:

Longevity: 2–3 times longer service life than acrylic or polyester bags in chemical environments, reducing replacement costs.

Energy Efficiency: Maintains consistent airflow with pressure drop increases of <0.5 bar annually, lowering fan energy consumption.

Low Maintenance: Requires 50% fewer pulse-jet cleanings than woven polyester bags due to superior dust release properties.

Versatility: Compatible with both negative and positive pressure baghouse systems, offering flexible installation options.

 Detailed Customization Process 

Our factory-specific customization ensures seamless integration:

Site Analysis: Engineers conduct airflow modeling and dust sampling to determine optimal bag dimensions and filtration rating.

Material Selection: Offers PTFE felt thickness options (600g/m² to 1200g/m²) based on dust loading and abrasiveness.

Design Engineering: Customizes diameter (120mm–200mm), length (1000mm–6000mm), and end cap configuration (snap ring, flange, or weld-on).

Testing Protocol: Samples undergo 500-cycle thermal shock testing between 70°C and 160°C to validate durability.

Production and Delivery: Utilizes glue-free welding technology for contamination-free manufacturing, with lead times as short as 10 business days for standard sizes.