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Filter Fabrics for Liquid Fluids

Filtration ofcoolant(cutting fluid) in grinding, honing, lapping, operationssuper-finishand machining centers.
Clarification of whole oils, emulsions, semi-synthetic and synthetic solutions.
Gravity, pressure or vacuum filtration systems in machine tools.
Protection of pumps and nozzles against abrasive particles.
Washing and chip separation processes in metallurgical lines.

Increased service life of the lubricating-cooling fluid, the machine tool and the motor pump.
Increased productivity: less tool wear and fewer stops for fluid changes.
Protection of the grinding wheel and machined surfaces against abrasive particles.
Selection of weights and structures that optimize cost × performance for each process.
Immediate attention and custom manufacturing by AirLink Filters.

Raw material	Structure / Joint	Typical Weights*	Main Properties
Calendered polypropylene	Lightweight non-woven fabric, smooth surface	18 – 150 g/m²	High chemical resistance, low fluid absorption
Polyester + viscose with chemical bond	Non-woven fabric with resin	40 – 120 g/m²	Good retention of fine particles, greater rigidity
Spunlaced (hydro-interlaced)	Fibers bonded by water jet	40 – 95 g/m²	High mechanical resistance, excellent drainage
Polyester needle-punched blanket	Three-dimensional structure	80 – 400 g/m²	Greater thickness, high retention capacity
Thermal structured polyester	Pre-heated fiber, firm body	80 – 150 g/m²	Additional rigidity for pressure/vacuum systems*Gramaturas padrão; outras densidades disponíveis sob consulta.

Supplied widths: up to 2000 mm (special custom cuts).
Retention efficiency: particles of 5 µm – 50 µm (depending on weight).
Operating temperature: until 90 °C (PP) / 120 °C (PET).
Chemical compatibility: Resistant to emulsions, mineral oils, synthetic oils, kerosene, and water-based fluids.
Typical initial pressure drop: 5 – 15 mm AC (gravity system).

Supplied in coils or cut to size.
Options with different weights.
They are supplied according to the machined metal, fluid viscosity and operating regime.

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