FMS Fiberglass Composite Filter Bags FMS Fiberglass Composite Filter Bags

Using the finest fiber material possible in the market and high-speed modern needling equipment, we manufacture our own filter media for our dust filter bags guaranteeing the highest quality, reliability, and consistency

A wide range of surface finishes and chemical treatments that aid in the collection and release of the dust from the bags

Ultrasonic welded seam for increased efficiency and reinforced mechanical strength

Our laboratories are equipped with sophisticated testing equipment used to analyze and evaluate all aspects of your process and application

Custom fabricated bag designs to meet the unique needs of your bag house installation

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  • Product Description
  • Specifications
  • Applications
  • Ordering Information

High temperature and corrosion resistance

Good high temperature resistance filter fabrics

Increase the filter surface

Increase the fiber cohesion

Filter efficiency will superior than woven filter fabrics

Fiber Materials  Fiberglass + Aramid, Fiberglass + PI, Fiberglass + PPS
Standard Finishes
(Special surface treatments available)
Heat Set, Singed, Glazed, PTFE membrane
oz/yd² (g/m2)
23.60-26.55 (800-900)

   Inch (mm)
0.087-0.11 (2.2-2.8)
Air Permeability
 CFM@ ½" W.G125PA
 (m³/m².min@200PA )
20-50 (10-25)
  Tensile Strength
 lb/in (N/5CM)
Warp MD  274 (2400)
Weft CD 228 (2000)
Tensile Elongation (%) Warp MD  ≤15
Weft CD ≤10
Thermal Shrinkage (%) at max continuous temp. Warp MD  ≤1
Weft CD ≤1.5
Max. Operating Temperature  oF (oC) Continuous 500 (260)
Surge 536 (280)
The data are based on laboratory conditions. 
Testing based on specific operating conditions of each installation is recommended.

Metallurgical plant

Chemical plant

Coal fired boiler


Cement plant

Custom OEM Applications


Comprehensive selection of bag sizes:

Diameter: 4 5/8” – 113⁄4”

Length: 12” – 144”

Customized sizes are also available