High Temperature Glass Fabric

High temperature glass fabric, also known as fiberglass fabric, is a specialized textile made from glass fibers designed to withstand extreme heat and provide thermal insulation in various industrial applications. Here’s an overview:


  1. Glass Fibers: High temperature glass fabric is primarily composed of glass fibers, typically made from silica sand, limestone, and other raw materials. These fibers are formed into yarns and woven or knitted to create fabric.

  2. Binding Agents: In some cases, binding agents or coatings may be added to the fabric to enhance its properties, such as improving abrasion resistance, flexibility, or chemical resistance.

Key Features:

  1. High Temperature Resistance: High temperature glass fabric is capable of withstanding temperatures ranging from several hundred to over 1000 degrees Celsius (depending on the specific grade), making it suitable for use in extreme heat environments such as foundries, steel mills, and aerospace applications.

  2. Thermal Insulation: These fabrics provide excellent thermal insulation properties, helping to minimize heat transfer and maintain temperature stability in various industrial processes and equipment.

  3. Fire Resistance: Glass fabric is inherently non-flammable and does not support combustion, making it highly resistant to fire and heat. It is often used in fireproofing applications and as a protective barrier against flames and sparks.

  4. Chemical Resistance: Glass fabric exhibits good resistance to many chemicals, oils, solvents, and corrosive substances, making it suitable for use in chemical processing, petrochemical, and automotive industries.

  5. High Strength and Durability: Despite its lightweight and flexible nature, glass fabric is incredibly strong and durable, capable of withstanding mechanical stresses, abrasion, and harsh operating conditions.

  6. Electrical Insulation: Glass fabric has excellent electrical insulation properties, making it suitable for use in electrical and electronic applications where insulation and protection against electrical hazards are essential.

  7. UV Resistance: Glass fabric is resistant to ultraviolet (UV) radiation, ensuring long-term performance and stability in outdoor applications exposed to sunlight.


  1. Insulation: High temperature glass fabric is used for insulation purposes in various industries, including thermal insulation blankets, jackets, and covers for pipes, ducts, boilers, and other equipment operating at elevated temperatures.

  2. Fireproofing: It is used in fireproofing applications for manufacturing fire curtains, fire doors, and fire blankets to contain fires, prevent heat transfer, and protect structures and personnel in buildings, ships, and industrial facilities.

  3. Reinforcement: Glass fabric is used as reinforcement material in composite materials and laminates, such as fiberglass-reinforced plastics (FRP), composites, and carbon fiber composites, to improve strength, stiffness, and durability.

  4. Foundry and Metal Casting: It is used in foundries and metal casting operations for manufacturing casting molds, cores, and crucible liners due to its heat resistance, dimensional stability, and ability to withstand molten metals.

  5. Aerospace and Automotive: High temperature glass fabric is used in aerospace and automotive industries for manufacturing heat shields, insulation pads, exhaust wraps, and thermal barriers to protect components and systems from high temperatures and thermal radiation.

  6. Safety Clothing: It is used in the manufacture of safety clothing and personal protective equipment (PPE) for firefighters, industrial workers, and welders, such as heat-resistant gloves, aprons, and protective suits.

  7. Marine and Oil & Gas: Glass fabric is used in marine and oil & gas industries for insulation of pipes, tanks, and equipment, as well as for fireproofing and safety barriers in offshore platforms, vessels, and refineries.

Overall, high temperature glass fabric is a versatile and indispensable material in various industries where thermal insulation, fire resistance, and durability are critical requirements. Its wide range of applications and exceptional properties make it an essential component in numerous industrial processes and safety applications.

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