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Sintered Media (Diffusion Bonding)

Mesh layers, powder or fibers bonded in a vacuum furnace into rigid porous filters. 19 products in the catalog are made with this process.

How it is made

Layers of woven mesh, metal powder or metal fibers are pressed and heated in a vacuum or hydrogen furnace just below melting point, so the touching wires or particles diffuse into one another and fuse. The result is a rigid porous plate, tube or felt that can be cut, rolled and welded.

What the process can do

Ratings from about 0.5 µm (powder) to 200 µm (mesh laminate); stainless 316L, Hastelloy, Inconel, Monel, nickel, titanium and bronze.

Best for

Strong, cleanable filters for high pressure and temperature, back-washing, catalyst recovery, gas and polymer filtration.

Limits

Higher cost than woven cloth, and powder parts are less ductile — they dislike bending and impact.

Design & ordering tips

Specify micron rating together with permeability or allowable pressure drop, and the welding or fitting details.

Products made by sintered media

Other manufacturing processes

A roll of stainless steel plain weave wire mesh partially unrolled on a workbench, square weave clearly visible, industrial

Woven Wire Mesh (Weaving)

96 productsWire Crimping & Heavy Weaving

Wire Crimping & Heavy Weaving

8 productsA stack of stainless steel welded wire mesh panels with square openings in a fabrication shop, forklift in the background

Welded Wire Mesh & Wire Forming

14 productsA large stainless steel round hole perforated metal sheet with staggered holes, angled light showing depth, factory setting

Perforated Metal (Punching)

40 productsExpanded Metal (Slit & Stretch)

Expanded Metal (Slit & Stretch)

11 productsAssorted round stainless steel wire mesh filter discs with aluminum and stainless rims of different sizes

Calendering & Precision Flattening

21 productsA roll of crimped knitted stainless steel wire mesh sleeve showing interlocking loops, industrial product shot

Knitted Wire Mesh

4 productsA flat stainless steel wedge wire screen panel with precise parallel slots and support rods, viewed at a low side angle

Wedge Wire (Profile Wire Welding)

6 productsA round brushed stainless steel rain shower head face plate with hundreds of tiny etched nozzle holes

Photo-Chemical Etching

25 productsMicroscope-style macro image of a small round metal nebulizer mesh plate with a dense central field of microscopic holes

Laser Drilling & Cutting

4 productsExtreme macro of an electric shaver head showing a curved thin silver foil with a pattern of tiny hexagonal holes

Electroforming

5 productsA polished stainless steel double-layer pour-over coffee filter cone with a rolled rim, sitting on a ceramic mug

Deep Drawing, Stamping & Forming

44 productsPleated stainless steel mesh filter cartridges with welded end caps, close-up of the pleats, industrial lighting

Pleating

3 productsA rectangular electropolished stainless steel wire mesh sterilization basket with handles, filled with surgical instruments

Surface Finishing & Coating

31 productsA stack of round multi-layer extruder screen packs with spot-welded wire mesh layers beside a breaker plate

Filter Fabrication & Assembly

86 products

Have a drawing? Tell us the process you need

Send the part drawing and the quantity; we will confirm the best process and quote within one business day.

Filter Mesh Finder

Filter by mesh type, weave, mesh count / micron rating and material to find the right metal filter mesh and request a quote.

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