Filter Adhesive

1. Eco-Friendly EVA-Based Formulation: This filter adhesive is manufactured using high-quality EVA (Ethylene Vinyl Acetate) copolymer base materials, ensuring a green, environmentally responsible solution with exceptionally low volatile emissions. The formulation prioritizes workplace safety and user comfort through its minimal odor profile during application and curing, making it ideal for indoor production environments where air quality is paramount.

2. Optimized Physical Properties: TH-311B appears as consistent white translucent granules that melt uniformly without charring or degradation. The material exhibits a precise softening point of 95±5°C, providing excellent thermal stability across typical operating temperatures while maintaining energy-efficient processing conditions. At the recommended application temperature of 170°C, the adhesive demonstrates a controlled melt viscosity of 10500±2000cps, ensuring smooth, uniform flow through standard hot melt dispensing equipment.

3. Balanced Processing Characteristics: Engineered with a medium open time, this filter adhesive allows operators adequate working window for proper positioning and alignment of filter media within frames before initial set occurs. The corresponding medium setting time delivers optimal balance between production efficiency and bond development, preventing premature solidification while enabling reasonable throughput speeds on semi-automated assembly lines.

4. Versatile Application Compatibility: TH-311B accommodates both manual hand-application methods and guided semi-automatic dispensing systems, providing manufacturing flexibility for facilities with mixed production requirements. The granule form factor feeds reliably into bulk melters, hand-held applicators, and automated dispensing heads without bridging or inconsistency issues.

5. Superior Adhesion Performance: Demonstrating exceptional bonding strength, this filter adhesive forms durable, permanent bonds across diverse substrate combinations commonly found in air filter construction, including cardboard, paperboard, various plastics, non-woven fabrics, and coated metal frames. The robust adhesive creates resilient seals that withstand mechanical stress, temperature fluctuations, and operational vibration throughout the filter's service life.

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