Woven Fiberglass Dust Filter Bags

Fiberglass Fabrics are woven for fiber orientation, and each fabric features its own unique weight, strength, and fabric characteristics.

Surface finishes and chemical treatments that aid in the collection and release of the dust from the bags: PTFE Hydrophobic impregnated, PTFE Membrane

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

Product Description

  • 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 500oF (260oC)

Applications

  • Cement Plant
  • Power and Thermal power stations
  • Waste Incineration
  • Steel/Iron/Carbon black plants
  • Custom OEM Applications

Specifications

Fiber Materials GL- Woven Fiberglass Alkali free
Code HLGLA 301 HLX 301 HLA 331
Surface Treatment PTFE Hydrophobic impregnated, PTFE Membrane PTFE Hydrophobic impregnated, PTFE Membrane.  Fine fiber PTFE Hydrophobic impregnated, PTFE Membrane
Weave Double Twill Double Twill Double Twill
Weight
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) 1 1 1
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 CD 228 (2000) 228 (2000) 228 (2000)
Tensile Elongation (%) Warp MD <3% <3% <3%
Weft CD <3% <3% <3%
Diameter of fiber 5.5μm 5.5μm 5.5μm
Max. Operating Temperature Continuous/Surge oF (oC) 500/536 (260/280) 500/536 (260/280) 500/536 (260/280)

All Products

Anti-static Dust 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

Anti-static Felt Filter Media

Anti-static needle felts are used when static dissipation is required. HL Filter offers three types of anti-static needle felts:

  1. Stainless steel scrim supported felt (grid/matrix or stripe/line)
  2. Stainless steel fiber blend felt
  3. Epitropic fiber blend felt

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Aramid (NX) Dust 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

Aramid (NX) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Aramid (NX) needle felts with high dust-holding capacity and good air permeability. In general Aramid tends to be gradually degraded under hostile flue gas conditions. Consequently filter media made of m-Aramid are frequently processed with an additional protection against acids and hydrolysis.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Composite Needle Felts

HL Filter offers a variety of composite felts including: PE+PAN, PE+PI, Aramid+PI, PTFE+PI, PPS+PI

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

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

FMS Fiberglass Compound Needle Felts

HL Filter offers a wide range of fiberglass compound needle felts. Most Popular fiberglass blends: Fiberglass + Aramid, Fiberglass + PI, Fiberglass + PPS

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Homopolymeric Acrylic (PAN) Dust 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

Homopolymeric Acrylic (PAN) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Acrylic (PAN) needle felts with high dust-holding capacity and good air permeability. The advantage of this fiber compared to copolymeric PAN fiber is its higher temperature resistance, improved chemical resistance and higher strength. It is used mainly where polyester cannot be used owing to high moisture conditions.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Metal Dust Filter Bag for High Temperature Dust Removal

High-temperature resistant metal filter bags for demanding dust extraction environments.

OEM-ODM Custom Air Filter Bags

Media performance is a function of fiber properties, fabric construction, and fabric finishes. HL Filter’s knowledge and experience of how these variables interact allows us to determine the most effective filter media solution to meet your requirements related to flow rate, product dryness, cake release, and resistance.

Some factors that influence the right media choice include, humidity, temperature, productivity, system differential pressure, exposure time, wear and tear resistance, and chemistry. Our design engineers and application specialists equipped with sophisticated testing equipment can efficiently troubleshoot specific issues and calibrate to meet our customers’ circumstances.

OEM-ODM Custom Liquid Filter Bags

Our experience in designing and manufacturing custom bags enables us to develop high quality and durable products custom built to meet your specific needs. Special size and design bags are available in all materials and most micron ratings. You can count on our accuracy, dependability and efficiency when filling your custom order.

We manufacture our own felt media for our felt filter bags under 9001:2008 quality systems, resulting in order to order, year to year, reliability and repeatability. Each filter bag is also individually sealed in protective plastic packaging to prevent contamination. Our filter bags are silicone free with sturdy construction and easy installation.

Polyamide (PI/P84) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Polyamide needle felts with high dust-holding capacity and good air permeability. The PI/P84 media has good chemical resistance, but this is endangered under highly alkaline moisture conditions. There is a limited tendency to oxidation through O2 or NO2 at high temperatures.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polyamide (PIP84) Dust 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

Polyester (PE) Dust 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

Polyester (PE) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Poylester PE needle punched felts with high dust-holding capacity and good air permeability. The Polyester media most commonly used and cost effective filter felt in modern pulse jet style baghouses. It is frequently used as a mixed felt of PE/PAN.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polyester (PE) Needle Felts

Using the finest fiber material on the market and state-of-the-art needling equipment, HL Filter manufactures a full range of needle punched Polyester felt filter media possessing high flow capacity and good retention properties at micron-ratings from 0.5 to 200 µm. Our PE felts are widely used for a variety of industries and sectors.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polyphenylene Sulfide (PPS) Dust 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

Polyphenylene Sulfide (PPS) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Polyphenylene sulfide (PPS) needle felts (also called Ryton) with high dust-holding capacity and good air permeability. Their good resistance to hydrolysis, alkalies and acids makes them an alternative to PTFE fibers under certain conditions. They are easily oxidised at increased temperature.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polypropylene (PP) Dust 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

Polypropylene (PP) Needle Felts

Using the finest fiber material on the market and state-of-the-art needling equipment, HL Filter manufactures a full range of Polypropylene (PP) needle punched filter media possessing high flow capacity and good retention properties at micron-ratings from 0.5 to 200 µm. Our PP media can be used for a wide variety of applications and are characterized by their outstanding resistance to chemicals and hydrolysis.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polypropylene (PP) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Polypropylene(PP) needle felts with high dust-holding capacity and good air permeability. Our PP media can be used for a wide variety of applications and are characterized by their outstanding resistance to chemicals and hydrolysis.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Polytetrafluoroethylene (PTFE) Dust 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

Polytetrafluoroethylene (PTFE) Needle Felts

PTFE (also called Telfon ) has excellent resistance to both acids and alkalis, restricted abrasion resistance, and has a maximum operating temperature of 500º F. The PTFE felts are costly due to an intensive production process. In return PTFE has an outstanding thermal and chemical stability.

Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.

Support Cages

The filter bag cages is the support of filter bag and it should be light and easy for installation and maintenance.

The quality of filter cage has directly bearing on the filtering state and service life of a filter bag.

Every cage we make can meet the requirement for tightness, smoothness and uprightness.

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.