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Small Opening Expanded Metal Mesh

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  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal
  • Small Opening Expanded Metal

Small Opening Expanded Metal

Small Opening Expanded Metal (also known as Micro Expanded Metal Mesh) manufactured by Hengyueda mesh is slitted and cold-stretched from thin metal foils or sheets into fine, uniform diamond-shaped apertures. Combining lightweight flexibility, high strength, and precise open areas, it is widely used in industrial filtration, ventilation covers, EMI shielding, battery current collectors, and decorative speaker grills.
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Hengyueda Mesh Precision Metal Solutions

Small Opening Expanded Metal

Small Opening Expanded Metal (also known as Micro Expanded Metal Mesh) manufactured by Hengyueda mesh is slitted and cold-stretched from thin metal foils or sheets into fine, uniform diamond-shaped apertures. Combining lightweight flexibility, high strength, and precise open areas, it is widely used in industrial filtration, ventilation covers, EMI shielding, battery current collectors, and decorative speaker grills.

Product Showcase

Figure 1: Fine Precision Small Hole Diamond Expanded Metal Sheet

Figure 2: Micro Diamond Aperture and Fine Strand Detail

1) Product Features & Advantages

Produced on high-precision stamping and expanding machinery, small opening expanded metal provides superior structural integrity compared to woven fine wire mesh.

  • Micro Aperture Sizes: Available with Short Way of Diamond (SWD) from 0.5 mm up to 10 mm, offering tight mesh control.
  • Joint-Free Integrity: Made from a single metal sheet, eliminating loose wires or strand displacement under vibration.
  • High Precision & Uniformity: Consistent open area percentages ensuring stable fluid filtration, acoustic transmission, or air ventilation.
  • Flexible Finishing Options: Supplied in Raised (Standard) for anti-slip/gripping properties or Flattened (Smooth) for delicate filtration layers and battery electrodes.

SMALL OPENING EXPANDED METAL SPECIFICATIONS

SWD × LWD (mm) Strand Width (mm) Sheet Thickness (mm) Open Area (%) Standard Dimensions
0.5 × 1.0 0.1 - 0.2 0.05 - 0.15 35% - 50% Rolls (Width 100mm - 1000mm)
1.0 × 2.0 0.15 - 0.3 0.1 - 0.3 40% - 60% Rolls / Sheets (1000 × 2000 mm)
2.0 × 3.0 / 2.0 × 4.0 0.2 - 0.5 0.2 - 0.5 45% - 65% 1000 × 2000 / 1220 × 2440 mm
3.0 × 6.0 / 4.0 × 8.0 0.3 - 0.8 0.3 - 0.8 50% - 70% 1000 × 2000 / 1220 × 2440 mm
5.0 × 10.0 / 6.0 × 12.0 0.5 - 1.2 0.5 - 1.0 55% - 75% 1220 × 2440 / 1500 × 3000 mm

2) Raw Materials & Surface Finishes

Hengyueda mesh processes a wide selection of ductile metals and alloy foils for micro expanded mesh:

  • Stainless Steel (Grade 304 / 316 / 316L): Maximum corrosion resistance for liquid/gas filters and chemical processing.
  • Aluminum & Aluminum Alloy: Lightweight and rust-free, suitable for speaker grilles, architectural sunshades, and automotive filters.
  • Pure Copper & Brass: Excellent conductivity for battery anodes/cathodes, grounding grids, and electromagnetic shielding (EMI/RFI).
  • Low Carbon Steel: Galvanized or powder-coated for protective covers, fan guards, and general hardware.

3) Primary Applications

Hengyueda mesh small opening expanded metal mesh is ideal for high-precision industrial, electronic, and filtration uses:

  • Liquid, Oil, and Air Filtration Element Support Mesh
  • Battery Plates & Fuel Cell Current Collector Substrates
  • Audio Speaker Grilles & Consumer Electronics Mesh
  • EMI/RFI Shielding & Lightning Strike Protection for Composite Panels
  • Ventilation Hood Guards, Machinery Finger Guards & Insect Screens

Need Micro Apertures, Roll Formats, or Custom Precision Samples?

Contact Hengyueda mesh engineering team for specialized hole sizes, slit-to-width rolls, and direct factory quotes.

Request a Custom Quote
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