Specs for polyester needle felt | ||||||||||
Material | Polyester/Polyester Scrim | Thickness | 1.9 | |||||||
Weight(g/sqm) | 500 | Density(g/cm³) | 1.38 | Air Permeability (m³/m²/min) | 12~16 | |||||
Warp Tensile Strength(N/5x20cm) | >1000 | Weft Tensile Strenght(N/5x20cm) | >1300 | Moisture Regain(20°C And 65% r. humidity) | 0.10% | |||||
Warp Elongation(%) | <30 | Weft Elongation(%) | <50 | Support Combustion | Yes | |||||
Continuous Dry Heat Operation(°C) | 135 | Continuous Moist Heat Operation(°C) | 94 | Max Short Dry Heat Surge(Short Term)(°C) | 150 | |||||
Biological(Mildew, Bacteria) | fair | Alkalis | fair | Mineral Acids | fair | |||||
Organic Acids | fair | Oxidising Agents | good | Organic Solvents | good | |||||
Finishing | Singeing-calendering-heat setting | |||||||||
Product Applications | Chemical/ Steel/Waste Incineration/Thermoelectricity/Construction Material | |||||||||
Usage | Air Filter | |||||||||
Type | Filter Felt | |||||||||
Specialized in supplying | ||||||||||
1. Needle puched felt 2. Woven filtration fabric 3. Filter bags 4. Filter cages 5. Filter tubing automatic production line |
Item No. | Polypropylene Press Filter Cloth |
Material | Polypropylene |
Acid resistance | Good |
Alkali resistance | Excellent |
Conductivity | Good |
Elongation at break | Greater than Polyester |
Elongation recovery rate | Nylon fiber resistant to strong alkali, weak acid. |
Slightly better than polyester | |
Heat resistance | 90℃ slightly contracted |
General Dimensions(CM) | 900x900, 1000x1000, 1100x1100, 1350x1350, 1600x1600, any size we can do it. |
Softening Point(℃) | 140-150℃ |
Melting Point(℃) | 165-170℃ |
Feature | 1. The polypropylene cloth has smooth surface, soft texture and good slag discharging property. |
2. Low density, acid, alkali and strong oxidant corrosion and micro-effects. | |
3. The strength of the cloth is weak, which is used for fiber filter and coarse crystal filtration. |