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This section provides an overview for fiber glass as well as their applications and principles. Also, please take a look at the list of 11 fiber glass manufacturers and their company rankings. Here are the top-ranked fiber glass companies as of March, 2026: 1.Seal Reinforced Fiberglass, Inc., 2.Saint-Gobain Vetrotex, 3.Advanced Fiber Products.
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Categories Related to Fiber Glass
Fiberglass is a type of industrially produced inorganic fiber made by stretching molten glass into a fiber shape.
Fiberglass is made of glass and is used in composites with resin or cement to reduce weight and improve durability. Alkali-free glass is also often used for fiberglass.
Applications of fiberglass are expanding every year, and demand is expected to continue to grow in the future. The main applications are as follows:
Resins used in automotive parts are composited with fiberglass to increase strength and contribute to weight reduction of automobiles. Fiberglass is also used in electronic products to improve precision and in construction materials to provide high durability.
Fiberglass production begins with melting glass at temperatures of 1,300°C or higher. The melted glass is passed through microscopic pores, the glass is drawn out on the order of microns, and the glass is processed into a thread shape by winding. Diameters can be produced in the range of 4 to 25 μm. The most suitable fiberglass should be selected for each application.
Fiberglass can be divided into two major types: E-fiber glass and AR-fiber glass.
Alkali-free fiberglass is used to increase the strength of resin. It has excellent insulation properties. It is composited into resins to improve insulation and heat resistance.
Fiberglass containing a high concentration of zirconia. It has excellent alkali resistance and acid resistance. AR Fiberglass with alkali resistance can be composited into cement.
There are almost no health hazards in handling fiberglass. Fiberglass is often confused with inorganic fibers such as asbestos because of its similarity, but they are different substances.
Asbestos is a crystalline fiber with a thickness of about 0.1 µm. Because it is so thin, it can easily reach deep into the lungs when inhaled. Once asbestos reaches the lungs, it is not discharged out of the body and accumulates, causing diseases such as pneumoconiosis.
Fiberglass is an amorphous fiber with a thickness of 4~25µm. Even if inhaled, most of them do not reach deep into the lungs because they are removed by the nose and bronchial tubes. Even if they do enter the body, the body's immune system will expel them from the body in a short period.
The dust generated during the processing of fiberglass generally has a health hazard classification. As mentioned above, it is a different substance from asbestos, so inhaling it will not cause pneumoconiosis or other health problems. Even so, it is better to avoid inhaling dust as much as possible from a health perspective, so ventilation and the use of dust masks are recommended.
Fiberglass and carbon fiber are both fiber-like substances, but they are different materials. Fiberglass is a fiber of glass. It is manufactured by melting glass in a high-temperature kiln and pulling it out through a nozzle at high speed. It has the properties of glass, such as heat resistance, nonflammability, and chemical resistance.
Carbon fiber, on the other hand, is a fiber-reinforced plastic that incorporates carbon fibers. It is produced by carbonizing petroleum or acrylic fibers. Despite its high strength, it is extremely lightweight.
*Including some distributors, etc.
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Seal Reinforced Fiberglass, Inc., founded in 1963, is a custom fiberglass products manufacturer and ACMA member located on Bethpage Road in Copiague, NY. The products include stage and set designs, architectural restoration and renovations, artwork sculptures, and replicas like planters, fountains, garden pools, safety shovels, and waterfalls. The company specializes in military engineering, automotive, commercial, industrial, marine, and architectural components. It also develops custom molding, patterns, toolings, and prototypes for projects like Barney's New York, the Plaza Hotel, and Wagner College.
Advanced Fiber Products was founded in 1993 and is based in La Crosse, Wisconsin, is a supplier of custom fiberglass pultrusions for various industrial applications. The company passed both the UL 94 v0 and the Docket 90 testing for fire retardant products and provides standard-shaped fiberglass pultrusions, pultruded fiberglass channels & rods, putrusion painting services, hole drilling & miter cutting, and, structural fiberglass fabrication services for the markets including window & door components, docks & seawalls, tool handles, highway sound barriers, and, industrial pallets as well as for cooling towers and railroad crossing guards.
Jushi is based in Tongxiang, Zhejiang, China, as a manufacturer and supplier of fiberglass products and a provider of testing services since its inception in 1999. The products include fiberglass mats, woven rovings, performance hybrid fibers, and fiber products for continuous profiles, compression molding, pipes, open molding, and texturizing processes. The products find extensive application in infrastructure, electrical, chemical corrosion resistance, energy saving, and environmental protection fields. The company holds management certifications such as OHSMS 18001, ISO 14001, ISO 9001, as well as product certifications including LR, GI, DNV, ACS, BKI, and CCS.
Fiber Glass Solutions has been a manufacturer and supplier of fiberglass piping products for oil and gas production since 1990 in Shandong, China. The catalog has fiberglass pipes, fiber sucker rods, fiberglass tanks, fiberglass fittings, and fiberglass moulded products such as screen tubings, casings, pallets, and glass-reinforced epoxy. The company services the power communication, rail transit, automobile, oil field, and municipal industries. The company has obtained ISO 9001, T228001, ISO 14001, and API 15HR certified.
Blue Diamond is a manufacturer of fiberglass and fiberglass-coated materials located in Hebei, China, and was founded in 2002. The company produces fiberglass cloth coated using PVC, vermiculite, silicone, high silica, and neoprene to make fire blankets, insulting sleeves, and welding blankets. The company also produces alkaline-resistant fiberglass mesh for mesh tapes, woven rovings, wall coverings, insect screens, and chopped strand mats. The company offers OEM services such as sampling, contracting, mass production, and order fulfillment.
Trelleborg Sealing Solutions is based in Sweden and was established in 1952 under the name Polymer Sealing Solutions until it officially got its name in 2007, known as a manufacturer and supplier of precision seals, bearings, and tailor-made polymer components. The company also develops and produces silicon, thermoplastic, PTFE, and elastomer technologies, including composite ones for various automotive, medical, aerospace, and general applications. The company maintains a global presence, with a worldwide network of manufacturing facilities, research and development centers, and sales offices to provide localized support, rapid product delivery, and tailored solutions to customers worldwide.
Nitto Boseki Co. Ltd., operating as Nittobo, and was founded in 1923 and headquartered in Chiyoda-ku, Tokyo, Japan, is a manufacturer and distributor of textiles, glass fiber, chemicals, and pharmaceuticals. The company is a pioneer in Japan's industrial glass fiber production, with a vertically integrated business that encompasses filament production, glass fabric processing, and composites development. Utilizing its adhesive technology, the company expands its product offerings beyond clothing to serve various applications in daily living and industrial materials. In 2015, one of its products, the dishcloths received the Long Life Design Award.
Hebei HaiDing Fiberglass Manufacturing Co. Ltd, was established in 2012 as a manufacturer and distributor of fiberglass products in China. The company produces standard fiberglass products like Fiberglass Rovings which is widely used for the spray-up process, Fiberglass Mat that has applications as surface layers for FRP products, pipe wrapping, waterproof roofing, wall covering materials and etc. The Fiberglass Chopped Strands are used for reinforcing thermoplastics and Fiberglass Fiber is available as Multiaxial cloth, Plain cloth, Mesh, and Window Screen. The industries they serve include Wind Power, Ships, the FRP Petrochemical industry, Building and Construction, and Consumer products.
Bhuwal Insulation Cable Pvt Ltd is a manufacturer and supplier of exquisite range of wires and cables. The company was established in 2005 and is based in Southern USA. The company range of products includes High Temperature Cables, Silicon Cable with Fibreglass Braiding, HT Cables, Fibreglass Braided Cables, EPR/PCP Rubber Cables, PTFE Insulated Cables, Teflon Wires, Silicon Cables, Silicon Rubber Insulated Cables and Fiber Glass Cables. The company have a manufacturing unit equipped with sophisticated technologies and are authorized by efficient work-force that has helped a lot to provide complete satisfaction to our clients
Sure New Material is a supplier of professional composite materials such as fiberglass fabrics and yarn based in Jiaxing Road, Zhejiang Province, founded in 2012. The fiberglass fabrics make stitched mats, triaxial fabrics, woven rovings, and biaxial fabrics. The fiberglass yarns provide spray-up and direct rovings for pultrusion, filament winding, weaving, LTF, and chopping. The products are used in wind power generation, construction engineering, sports equipment, rail transit, and shipbuilding industries.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Seal Reinforced Fiberglass, Inc. |
20.0%
|
| 2 | Saint-Gobain Vetrotex |
15.3%
|
| 3 | Advanced Fiber Products |
13.3%
|
| 4 | Nihon Glass Fiber Industrial Co., Ltd. |
8.1%
|
| 5 | Trelleborg Sealing Solution |
6.4%
|
| 6 | Jushi |
5.8%
|
| 7 | Taishan Fiberglass Inc. |
5.8%
|
| 8 | Blue Diamond |
5.5%
|
| 9 | Nitto Boseki Co., Ltd. |
5.1%
|
| 10 | Fiber Glass Solutions |
5.0%
|
Derivation Method
The ranking is calculated based on the click share within the fiber glass page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
5 | 55.6% |
|
United States of America
|
2 | 22.2% |
|
Japan
|
2 | 22.2% |
103 products found
103 products
Ishikura Shoten Co., Ltd.
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Photonic Instruments Co., Ltd.
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Made in Germany, RfQ's high-quality cold light cables are optical light guides that use special bundles of glass fibers to transmit white light. It...
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This tube is made by braiding heat-resistant glass fiber into a cylindrical shape using a stringing machine. ■Features Excellent insulation, heat ...
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A tape made of heat-resistant glass fiber. ■Features Excellent insulation, heat retention, and cold retention performance. Excellent thermal condu...
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A highly functional conveyor belt made from Honda Flow® fabric. Utilizing its excellent features such as heat resistance, non-stick properties, and...
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Continuous alumina fibers consisting of 72% Al2O3 and 28% SiO2. ■Purpose of use ・Insulation ・Heat resistance ■Using industry ·plant ·others ■M...
Tokyo Kogyo Trading Co., Ltd.
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For many years, we have been handling various auxiliary materials related to aluminum casting. We respond to needs such as improving the quality of...
Nihon Glass Fiber Industrial Co., Ltd.
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This product is made from cut long fibers that are opened into wool and then needled into felt. Post-processing can include AL foil pasting, ALGC p...
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The base material is continuous glass fiber, which is molded into any shape using various binders. Used as a sound absorbing material for exhaust s...
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Long glass fibers are made into glass fluff using a fibrillation device, and then formed into felt using a needle punch machine. ■Features I don't...
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A textile product made from biosoluble AES (alkaline earth silicate) wool as the main raw material, with a small amount of organic fiber added. Gla...
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A rope made by twisting heat-resistant glass fibers together as yarn. ■Features Excellent insulation, heat retention, and cold retention performan...
Nihon Glass Fiber Industrial Co., Ltd.
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This product is made from cut long fibers that are opened into wool and then needled into felt. Post-processing can include AL foil pasting, ALGC p...
Nihon Glass Fiber Industrial Co., Ltd.
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ECompared to glass fiber, NRC has excellent acid resistance and heat resistance, while NHC has excellent heat resistance and tensile strength. It c...
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A highly functional conveyor belt made from Honda Flow® fabric. Utilizing its excellent features such as heat resistance, non-stick properties, and...
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A gasket tape made of glass fiber cloth coated with a heat-resistant rubber compound as a joint material. ■Features Excellent insulation, heat ret...
Nihon Glass Fiber Industrial Co., Ltd.
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EThis is a product woven with bulky processed glass fiber. We also have a lineup of different thicknesses. Please choose according to the purpose o...
