Filter cloths are widely used in horizontal vacuum belt filter presses, belt and vacuum dryers, in vertical filter presses.
Fabrics have significant breaking loads, minimal stretching during operation. Filter fabrics are used in filter presses of types DU, DY, PBF, DSG, HVPF.
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| Material | Acid resistance | Alkali resistance | Breaking elongation (%) | Tensile strength (g/d) | Softening temperature (℃) | Melting point (℃) | Specific gravity | Heat Resistance (℃) |
|---|---|---|---|---|---|---|---|---|
Material: Polyester (PET) |
Acid resistance: Good |
Alkali resistance: Weak |
Breaking elongation (%): 20-50 |
Tensile strength (g/d): 4,3-9 |
Softening temperature (℃): 238-240 |
Melting point (℃): 255-260 |
Specific gravity: 1,38 |
Heat Resistance (℃): 120 |
Material: Polypropylene (PP) |
Acid resistance: Satisfactory |
Alkali resistance: Good |
Breaking elongation (%): 20-50 |
Tensile strength (g/d): 4,5-9 |
Softening temperature (℃): 140-160 |
Melting point (℃): 165-173 |
Specific gravity: 0,91 |
Heat Resistance (℃): 90 |
Material: Polyamide (PA) |
Acid resistance: Weak |
Alkali resistance: Satisfactory |
Breaking elongation (%): 20-40 |
Tensile strength (g/d): 4,5-9,5 |
Softening temperature (℃): 180-235 |
Melting point (℃): 215-260 |
Specific gravity: 1,14 |
Heat Resistance (℃): 130 |
Material: Polyvinyl alcohol |
Acid resistance: Absent |
Alkali resistance: Strong |
Breaking elongation (%): 12-26 |
Tensile strength (g/d): 4-10 |
Softening temperature (℃): 220-230 |
Melting point (℃): 220 |
Specific gravity: 1,26-1,30 |
Heat Resistance (℃): 100 |