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Woven Fiberglass Fabrics

HL Filter offers woven fiberglass fabrics, additionally laminated with an ePTFE membrane, with excellent tensile strength, high heat resistance, low weight, and great cosmetics. Fiberglass Fabrics are woven for fiber orientation, and each fabric features its own unique weight, strength, and fabric characteristics.
Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.
  • Product Details


Features & Benefits

Fiberglass has excellent resistance to most acids, but is attacked by hydrofluoric acid

Not recommended where bases and salts such as chlorides, bromides, and cyanides are present

Poor flex abrasion qualities 

High tensile strength

Dimensional stability 

High heat resistance, good thermal conductivity, and fire resistance 

Outstanding Electrical Properties

Unaffected by sunlight, fungus or bacteria. 

Finishes limited, maximum temperature range. 

Glass fabrics are lower in cost than many other fabrics for similar applications.

Requires a 20 vertical wire minimum support cage when used in tubular filter bag form 

Usually used in high heat applications.  Continuous operating temperature of 500℉ (260℃)


Fiber MaterialsGL- Woven Fiberglass Alkali free
Surface TreatmentPTFE Hydrophobic impregnated, PTFE Membrane
WeaveDouble TwillDouble TwillDouble Twill

oz/yd² (g/m2) ±2.5%
22.41-25.07 (760-850)22.41-25.07 (760-850)22.41-25.07 (760-850)
Hydrolysis Resistance (Grade)111
Air Permeability
 CFM @ ½" W.G 125PA
 (cm3/cm2/s @127PA)
4-10 (2-5)4-10 (2-5)4-10 (2-5)
  Tensile Strength
 lb/in (N/5CM)
Warp MD 274 (2400)274 (2400)274 (2400)
Weft CD228 (2000)228 (2000)228 (2000)
Tensile Elongation (%)Warp MD <3%<3%<3%
Weft CD<3%<3%<3%
Diameter of fiber5.5μm5.5μm5.5μm
Max. Operating Temperature Continuous/Surge oF (oC)500/536 (260/280)500/536 (260/280)500/536 (260/280)


Cement Plant

Power and Thermal power stations

Waste Incineration

Steel/Iron/Carbon black plants

Custom OEM Applications

Ordering Information

Customized per order

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