Data Sheet: Fiberglass Fabric, PTFE coated GORE® Filter Bag 570 g/m2 (20 oz/yd2)


A 260°C (500°F) maximum service temperature, polytetrafluoroethylene (PTFE) fiberglass fabric filter bag for use in pulse-jet style dust collectors.

Features and Benefits

  • Patented GORE™High Durability membrane technology provides an excellent combination of filtration efficiency, airflow, and durability
  • PTFE fiberglass fibers provide good all-around chemical and temperature resistance
  • Lightweight fabric design and construction provides excellent dimensional stability, flexibility, and resistance to mechanical damage over the life of the filter


  • 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

Fiber content


Fabric construction

Double-Beam, Modified crowfoot

Continuous operating temperature

260°C (500°F)

Maximum surge temperature

288°C (550°F)

Acid resistance

Very good

Alkali resistance



570 g/m2 (16.8 oz/yd2)

Breaking strength


- Machine direction

1446 N/2.54 cm (325 lb/1 in) modified cut strip

- Cross-machine direction

1334 N/2.54 cm (300 lb/1 in) modified cut strip

Mullen burst

4137 kPa (600 psi) minimum


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