Backing material provides structural support and fluid distribution for reverse osmosis membrane elements in water purification systems.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Porosity | 30-50% | |
| Thickness | 100-300 μm | |
| Air Permeability | 10-30 cfm/ft² | |
| Maximum Pressure | 1000 psi | |
| Tensile Strength | ≥50 N/cm | |
| Chemical Resistance | pH 2-11, chlorine <0.1 ppm | |
| Operating Temperature | 0-45°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A semi-permeable membrane used in reverse osmosis systems to remove dissolved solids, ions, and contaminants from water by applying pressure to overcome osmotic pressure.
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The backing material provides structural support to prevent membrane collapse under pressure, ensures uniform water distribution, and creates channels for permeate collection.
Yes, material properties like porosity, thickness, and chemical resistance directly impact membrane efficiency, pressure drop, and fouling characteristics.
Backing material typically lasts the membrane's lifespan (3-7 years) but should be inspected during membrane replacement or if performance degradation occurs.
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