HEPA Filter Support Mesh – Internal & External

HEPA filters, which stand for High Efficiency Particulate Air filters, are advanced air filters designed to remove small particles and contaminants from the air. They are highly efficient in capturing airborne particles as small as 0.3 micrometers with a high efficiency rate of 99.97%.

During HEPA filter production, the HEPA filter support mesh provides support and protection for filter media.

A roll of expanded metal for hepa filters on the white background.
HEPA Filter Support Mesh Functions

HEPA filter support mesh has two main major functions: support & protection

  • Support.
    GI diamond mesh can be used in combination with other materials, such as non-woven filter cloth, to create composite separators in HEPA filters. The expanded metal provides structural support and stability and helps create a more uniform spacing between pleats. It can also enhance the overall performance of the filter by providing additional filtration surfaces.
    A detail picture of hepa filter support mesh – expanded metal is composited with non-woven cloth.

    GI diamond mesh is composited with non-woven cloth.

    A piece of primary HEPA filter on white background.

    Primary HEPA filter made of GI diamond mesh and non-woven cloth.

  • Protection.
    In most cases, the support mesh is used as an external screen or protective layer for the filter. It provides a rigid and durable structure that helps protect the delicate filter media from physical impact and damage. They are placed on the outer side of the filter to protect the filter media and maintain its integrity. By using the support mesh as an external screen, HEPA filters can withstand handling, transportation, and operational stresses while maintaining their effectiveness in capturing particles. In addition, it can act as a protective barrier, preventing larger debris or contaminants from reaching and potentially damaging the filter media.
    Two hepa filter cylinders with GI diamond mesh and pvc coated wire mesh as protection mesh.

    Outer protection mesh for cylinder.

    Three hepa filter cylinders with GI diamond meshas protection mesh.

    Outer protection mesh for panel.

HEPA Filter Support Mesh Types
A piece of green pvc coated wire mesh on white background.
PVC Coated Wire Mesh
  • MS wire thickness: 0.55 mm
  • PVC thickness: 0.4 mm
  • Total thickness: 0.95 mm
  • Mesh size: 1/2" × 1/2"
  • Color: green
  • Roll size: 582 mm × 100'
  • weight: 6.3 kg/roll
A piece of green pvc coated wire mesh on white background.
PVC Coated Wire Mesh
  • MS wire thickness: 0.55 mm
  • PVC thickness: 0.4 mm
  • Total thickness: 0.95 mm
  • Mesh size: 1/2" × 1/2"
  • Color: green
  • Roll size: 490 mm × 100'
  • Weight: 5.3 kg/roll
A piece of aluminum expanded metal on white background.
Aluminum Expanded Metal
  • Thickness: 0.5 mm
  • Mesh size: 5.5 × 3.5 mm
  • Roll size: 1.2 m × 30 m
  • Weight: 13.5 kg/roll
A piece of GI diamond mesh on white background.
GI Diamond Mesh
  • Wire Thickness: 0.85 mm
  • Mesh Size: 7 × 12 mm
  • Roll size: 1.2 m × 20 m
  • Weight: 32 kg/roll
A piece of GI diamond mesh on white background.
GI Diamond Mesh
  • Thickness: 0.6 mm
  • Mesh Size: 7 × 12 mm
  • Roll size: 1 m × 20 m
  • Weight: 16 kg/roll
A piece of 25 × 13 mm aperture GI diamond mesh on white background.
GI Diamond Mesh
  • Mesh size: 25 × 13 mm
  • Roll size: 615 mm × 300 m
A piece of aluminum fine mesh on white background.
Aluminum fine mesh
  • Thickness: 0.2 mm
  • Roll size: 1.2 m × 20 m
  • Weight: 2.7 kg/roll
A piece of aluminum fine mesh on white background.
GI Fine Mesh
  • Thickness: 0.2 mm
  • Mesh size: 14 × 14 mm
  • Roll size: 1.2 m × 20 m
  • Weight: 8 kg/roll
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