Product Overview
Gradient Progressive Synthetic Pocket Filter Media is tailor-made filtration substrate dedicated to mass manufacturing medium efficiency pocket filters for commercial air handling units. Gradient Progressive Synthetic Pocket Filter Media adopts special progressive fiber layout, where fiber density turns tight gradually along airflow direction, building a complete depth interception system rather than simple surface filtration. This structural design can trap particles of different sizes in separate fiber layers, which greatly delays the blocking speed and pressure drop growth during long-term operation. This step depth loading filter material optimizes fiber weaving tightness and tensile strength, solving the easy deformation defect of ordinary thin synthetic nonwoven. As standard multi grade synthetic pocket material certified by EN779 testing standard, it has uniform thickness and stable gram weight per roll. Its excellent processing adaptability makes it mature hvac bag filter raw substrate to match automatic cutting, folding and sewing assembly lines for large-batch filter production.
Efficiency Grade (EN779:2012) | F7 | F8 | F9 |
Filtration Efficiency @0.3μm | 85% | 95% | 98% |
Initial Pressure Drop @14cm/s | 12Pa | 14Pa | 24Pa |
Basis Weight | 97±5g/㎡ | 107±5g/㎡ | 122±5g/㎡ |
Thickness | 1.72mm | 1.80mm | 1.85mm |
Standard Roll Width | 1.5m / 1.6m, customizable | 1.5m / 1.6m, customizable | 1.5m / 1.6m, customizable |
Product Features
Gradient Progressive Synthetic Pocket Filter Media brings multiple practical advantages for HVAC system operation:
Gradient layered fiber structure realizes step-by-step dust interception, raising total dust holding capacity and lengthening filter replacement cycle to cut labor maintenance cost.
Reinforced air outlet fiber layer avoids fiber shedding and bag collapse under high airflow velocity, maintaining stable overall shape during full service period.
Balanced lightweight texture with qualified tensile strength fits automatic processing equipment without breaking during folding and sewing.
Stable performance under normal indoor humidity, filtration efficiency will not decline obviously in damp ventilation environment.
Product Applications
Gradient Progressive Synthetic Pocket Filter Media is widely selected as core raw material to produce pocket filters for multiple scenarios:
Commercial Office Buildings: This hvac bag filter raw substrate balances low energy consumption and stable purification effect for year-round central air operation, reducing frequent filter replacement work.
Shopping Mall Ventilation Systems: This multi grade synthetic pocket material handles large air volume circulating air, intercepting indoor floating dust to keep public space air clean.
General Manufacturing Factories: This step depth loading filter material works for light-dust workshop ventilation, protecting subsequent high efficiency filter elements from premature clogging.
