0.2mm Thickness SS316L Perforated Sheet for Fine Liquid Filtration
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China [CN] 0.2mm Thickness SS316L Perforated Sheet for Fine Liquid Filtration
TOPTITECH's 0.2mm Thickness SS316L Perforated Sheet for Fine Liquid Filtration is manufactured using photochemical etching. This precision process selectively removes material to create the specified 0.3mm apertures, achieving exacting hole geometry with tolerances typically within ±0.01mm. The etching technique produces perfectly smooth, burr-free hole walls and preserves the SS316L substrate's full metallurgical integrity. This absence of mechanical stress or work hardening ensures the material maintains its optimal corrosion resistance, characterized by a Pitting Resistance Equivalent Number (PREN) exceeding 28, and guarantees uniform mechanical properties across the entire sheet.
This construction directly translates to superior filtration performance. The 0.2mm Thickness SS316L Perforated Sheet for Fine Liquid Filtration provides absolute particle retention based on its precise aperture size. The hydrodynamically efficient, smooth apertures promote laminar flow, reduce pressure drop, and minimize clogging. Combined with the inherent chemical resistance of SS316L, this sheet offers reliable, long-term service in aggressive media for critical applications including chemical process filtration, precision fuel and coolant systems, and high-purity food or pharmaceutical processing. Its cleanability and structural stability support repeated use in demanding industrial environments.
Specifications
Material: SS316L
Pore size: 0.3mm
Pore size: 0.3mm
Size: 650x410mm
Features
Precision Aperture Geometry: The photochemical etching process creates exact 0.3mm apertures, ensuring absolute and consistent particle retention. This eliminates bypass and guarantees reliable filtration cutoff for processes requiring separation in the 300-micron range.
Burr-Free, Hydrodynamically Smooth Hole Walls: Unlike mechanically punched sheets, etching produces apertures with no microburrs or deformed edges. This smooth surface finish minimizes fluid turbulence, reduces pressure drop, and significantly lowers the risk of particle adhesion and media blinding.
Maintained Metallurgical Integrity and Maximum Corrosion Resistance: The non-contact etching process induces zero work hardening or residual stress, preserving the SS316L substrate's full annealed ductility. The material retains its optimal Pitting Resistance Equivalent Number (PREN > 28), offering superior resistance to chlorides, acids, and caustics compared to work-hardened alternatives.
Exceptional Cleanability and Sterilization Capability: The combination of a pristine 2B finish, smooth aperture walls, and the inert SS316L surface allows for thorough cleaning using CIP (Clean-in-Place) protocols. The sheet withstands repeated sterilization through autoclaving or chemical sanitizers without degradation.
High Open Area with Structural Stability: Precise etching allows for optimized hole patterns that maximize open area for flow while the 0.2mm thickness and unaltered material temper provide necessary rigidity. This balance ensures structural integrity in vibrating filter assemblies or under differential pressure without risk of fatigue failure.
Applications
High-Purity Chemical and Solvent Processing: This sheet serves as a critical support mesh or direct filter in the production of ultra-pure acids, photoresists, and semiconductor-grade solvents. The burr-free 0.3mm apertures and electropolished SS316L surface prevent contamination from metal ions or particulate shedding, essential for maintaining fluid purity in closed-loop systems and meeting stringent industry standards.
Precision Fuel, Hydraulic, and Lubrication Systems: The component provides reliable inline filtration for aviation fuel, high-performance hydraulic fluids, and synthetic lubricants. Its consistent aperture geometry ensures stable particle retention, while its PREN > 28 corrosion resistance guarantees long-term integrity against biocontaminants, water ingress, and additive packages without risk of filter media degradation.
Advanced Food and Beverage Processing: This filtration sheet enables sanitary separation in processes like edible oil clarification, viscous syrup straining, and brewhouse lautering. The non-porous, smooth aperture walls facilitate complete CIP/SIP cleanability, preventing bacterial harborage and meeting FDA/EC1935 compliance for direct food contact applications under thermal and mechanical stress.
Specialized Industrial Membrane Support and Protection: The sheet acts as an ideal protective layer and support substrate for delicate polymer or ceramic membranes in cross-flow filtration and reverse osmosis systems. Its precise open area and rigid yet thin profile provide optimal backing with minimal pressure loss, while its chemical compatibility protects membranes from upstream debris and mechanical damage.
Laboratory and Analytical Instrumentation Fluid Management: In critical laboratory equipment, the component functions within autosampler lines, reagent filters, and chromatograph protection modules. The photochemically etched geometry ensures repeatable flow characteristics, and the inherent material stability prevents interaction with aggressive organic solvents or buffers, ensuring analytical accuracy and instrument longevity.
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