Glass fiber needle felt has the advantage of high temperature resistance, corrosion resistance, stable size, small elongation shrinkage, high strength, etc. It can be widely used in all kinds of industrial furnace with high temperature flue gas filtration, such as chemical industry,iron and steel, metallurgy, carbon black, power generation, cement.
Material | glass fiber |
Weight (g/m2) | 750 |
Thickness (mm) | 2.5 |
Air-perm (m3/m2/min) | 8-11 |
Breaking strength (N/520cm) | warp | >1800 |
weft | >1800 |
Breaking elongation | warp | <5% |
weft | <5% |
Continuous working temp (℃) | ≤280 |
Instant working temp (℃) | 300 |
Acid resistance | excellent |
Alkali resistance | excellent |
Abrasion resistance | good |
Finish treatment | heat setting,calendering
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