Aramid needle punched felt 550 gsm for dust collector bag filter making
1) Perfect high temperature repellent : the Nomex filter felt operation temperature can reach at 204 degree C, the instant temperature can reach at 240 degree C.
2) Stability size of the bag: there will be less than 1% dry shrink in 204 degree C condition.
3) Anti-Flame: The Nomex filter felt will be decomposition and oxidation in 400 degree C.the data of LOI will be 30.
4) The excellent chemical parameter: Anti-Acid and Hydrocarbons
Specifications
Compositions | Aramid/Aramid scrim | |||
Weight (g/m2) | 450 | 500 | 550 | |
Thickness (mm) | 2.0 | 2.2 | 2.4 | |
Air permeability (m3/m2·min) | 21 | 17 | 14 | |
Tensile strength (N/5 20cm) | Warp | >800 | >800 | >800 |
Weft | >1100 | >1200 | >1300 | |
Tensile Elongation () | Warp | <35 | <35 | <35 |
Weft | <55 | <55 | <55 | |
Broken strength | 2.55 | 2.40 | 2.35 | |
Working Temperature() | ≤204 | ≤204 | ≤204 | |
) Short time Working temperature() | 240 | 240 | 240 | |
Anti-acid | Medial | |||
Anti-alkali | Excellent | |||
Anti-abrasion | Excellent | |||
The stability of water solution | Medial | |||
Finishing treatment | Singeing, calendaring or PTFE coated |
Applications:
1) The fume and smoke treatment and particle removing system in metallurgy plant
2) Smoke filtration in garbage burning, coal-feed boiler,power plant
3) Asphalt concrete mixture, cements, ceramics, building materials
4) Dust treatment, purification and collection in electronics, mining, flour and timber processing.