Features and Benefits

  • Patented GORE™ High Durability membrane technology provides an excellent combination of filtration efficiency, airflow, and durability.
  • Polytetrafluoroethylene fiberglass fibers provide good all-around chemical and temperature resistance. 
  • Available in top, bottom, and horizontal loading configurations. 
  • Withstands pressure drop up to 6.2 kPa (25 inches water gauge).


  • Chemicals Processing: Dryers and micronizers in TiO2 and pigment industries. 
  • Minerals Processing: Cement kiln/mill, alkali bypass, lime kiln, and lightweight aggregate dust collectors. 
  • Metals Processing: Iron and steel production foundries and ferro-alloy production. 
  • Power Generation and Incineration: Incinerators and boilers.

Technical Specifications

Weight 570 g/m2 (16.8 oz/yd2)
Fiber Content Fiberglass
Felt Construction Double-Beam, Modified Crowfoot
Continuous Operating Temperature 218 °C (425 °F)
Maximum Surge Temperature 288 °C (550 °F)
Acid Resistance Very Good
Alkali Resistance Fair
Breaking Strength

• Machine Direction
• Cross-Machine Direction

1557 N/2.54 cm (350 lb/1 in) ravel
1223 N/2.54 cm (275 lb/1 in) ravel
Mullen Burst 4826 kPa (700 psi)
Thickness 0.74 mm (0.029 in)

Note: All data expressed as typical values. This technical data is subject to change. Please contact W. L. Gore & Associates, Inc., directly to confirm current information.


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