Data Sheet: Aramid Felt, Acid-Resistant GORE® Filter Cartridge 475 g/m2 (14 oz/yd2)


A 204°C (400°F) maximum service temperature, stayed-Aramid felt filter cartridge for use in pulse-jet style dust collectors, where high differential pressure and high cleaning pressures are required due to aggressive dust loading.

Features and Benefits

  • GORE™ membrane technology provides an excellent combination of filtration efficiency and dust cake release.
  • Polytetrafluoroethylene scrim offers superior chemical resistance and excellent dimensional stability.
  • Unique acid-resistant treatment reduces the detrimental effects of moisture and acids.
  • Withstands pressure drop up to 6.2 kPa (25 inches water gauge).
  • Available in top, bottom, and horizontal loading configurations.


  • Chemicals processing: Dryers, bin vents, and nuisance dust collectors in the pigment, plastic and catalyst industries.
  • Minerals processing: Clinker coolers.
  • Metals processing: Process venting dust collectors for base metal kiln applications.

Technical Specifications


475 g/m2 (14 oz/yd2)

Fiber content

100% Virgin Aramid

Felt construction

Supported needlefelt with acid-resistant treatment

Continuous operating temperature

204°C (400°F)

Maximum surge temperature

218°C (425°F)

Acid resistance

Very good

Alkali resistance


Breaking strength


- Warp

1112 N/5 cm (250 lb/2 in) wide sample

- Fill

1600 N/5 cm (360 lb/2 in) wide sample

Mullen burst:

4653 kPa (675 psi) minimum


1.91 mm (0.075 in)

Elongation at 50 lbs


- Warp


- Fill


Flame-Resistance Testing ASTMD 6413-08:
-After Flame 0 seconds
-After Glow 35.1 seconds
-Char Length 1.1 inches


Not for use in food, drug, cosmetic or medical device manufacturing, processing, or packaging operations.