Classification of Knitted Wire Mesh
Knitted wire mesh is classified by material, wire diameter, mesh density, and weave pattern. Here is a clear guide to each.
Knitted wire mesh is a flexible, interlooped wire fabric used in filtration, demisting, EMI shielding, gasketing, and noise control. It is classified by four main characteristics.
1. Material
- Stainless steel (304, 316, 316L) — corrosion resistance for chemical and food applications.
- Galvanised and mild steel — economical for general industrial use.
- Copper and copper alloys — EMI shielding and antimicrobial applications.
- Aluminium — lightweight filters and air handling.
- Monel, Inconel, Hastelloy — high-temperature and corrosive service.
- Synthetic fibres (polypropylene, PTFE) — acid and chemical resistance.
2. Wire diameter
Typical industrial wire diameters range from 0.10 mm (fine filtration) to 0.30 mm (heavy demisters). Finer wire gives more surface area; thicker wire gives mechanical strength.
3. Mesh density (loops per square unit)
Density is set by needle count and feed rate during knitting. Higher density means tighter loops, finer particle capture, and higher pressure drop.
4. Weave / construction
- Single-layer flat panels.
- Co-knitted multi-strand (multiple wires knitted together for strength).
- Crimped layers — corrugated for void volume in demisters.
- Compressed pads — knitted then pressed to controlled density.
- Knit/woven combinations for specialised filtration.
Frequently asked questions
What is the difference between knitted and woven mesh?
Knitted mesh is made of interconnected loops, giving it stretch and flexibility. Woven mesh has a fixed warp and weft and is rigid.
Which stainless steel is best for knitted mesh?
316L is preferred for corrosive and food-grade environments; 304 is standard for general industrial duty.