The concept of FR4 fabric glass
FR4 fabric glass refers to a fabric woven from glass fibers, known for its insulation, thermal insulation, corrosion resistance, non-combustibility, high temperature resistance, and high strength. It is primarily used as insulation materials, reinforced materials for fiberglass, chemical filter cloth, high-pressure steam insulation materials, fireproof products, high elastic transmission belts, building materials, and wall coverings.
Characteristics of FR4 fabric glass
FR4 fabric glass exhibits insulation, thermal insulation, corrosion resistance, non-combustibility, high temperature resistance, high strength, low moisture absorption, softness, and high tensile strength.
Types and uses of FR4 fabric glass
FR4 fabric glass is a fabric made from glass fiber, known for its high strength, heat resistance, and corrosion resistance. It is widely used in various fields and can be categorized as follows:
1. Rove glass cloth: used to strengthen building materials, road surfaces, asphalt roofs, and insulation materials.
2. Medium yarn glass cloth: used to reinforce materials such as plastic, rubber, metal, and wood, and in the production of ships, cars, airplanes, and electrical appliances.
3. Fine yarn glass cloth: used for making high-strength composite materials, such as fiberglass and carbon fiber, widely used in aviation, aerospace, military and other fields.
4. Alkali resistant glass cloth: used for reinforcing building materials such as cement products and gypsum products.
5. Silicate glass cloth: used for high-temperature insulation materials, such as industrial furnace insulation and aviation engine insulation.
FR4 fabric glass
The function of FR4 fabric glass
1. Mechanical properties
FR4 fabric glass has high tensile strength, which is related to fiber diameter, fiber length, and alkali content. The finer the fiber, the higher the strength, and the shorter the fiber, the higher the strength.
2. Permeability
FR4 fabric glass is a non-capillary cylinder, and the fiber itself cannot be soaked in water and resin. In order to improve the permeability, an increase in the surface area of the adsorption resin is adopted.
3. Dielectric performance
The dielectric properties of FR4 fabric glass are related to the alkali content. An increase in alkali content leads to a decrease in surface resistance and an increase in dielectric loss. The effect of alkali is more significant at high temperatures and humidity, but the dielectric strength of glass fiber is good.
4. Thermal performance of glass cloth
Alkali-free glass fibers have high heat resistance and stable mechanical and electrical properties below 200 ℃. The thermal conductivity of glass fiber is small and almost independent of its diameter, but the thermal conductivity of glass fiber fabric increases with increasing capacity. However, the thermal conductivity of glass cloth is related to the thickness and standard weight of the fabric.
5. Chemical corrosion resistance
FR4 fabric glass is resistant to organic solvents and has strong resistance to mold, moths, bacteria, and decay.
FR4 fabric glass is widely used in printed circuit boards and has always been an important material for circuit board production. It has the characteristics of insulation, corrosion resistance, non-combustibility, high temperature resistance, high strength, low moisture absorption, softness, and high tensile strength.
FR4 fabric glass refers to a fabric woven from glass fibers, known for its insulation, thermal insulation, corrosion resistance, non-combustibility, high temperature resistance, and high strength. It is primarily used as insulation materials, reinforced materials for fiberglass, chemical filter cloth, high-pressure steam insulation materials, fireproof products, high elastic transmission belts, building materials, and wall coverings.
Characteristics of FR4 fabric glass
FR4 fabric glass exhibits insulation, thermal insulation, corrosion resistance, non-combustibility, high temperature resistance, high strength, low moisture absorption, softness, and high tensile strength.
Types and uses of FR4 fabric glass
FR4 fabric glass is a fabric made from glass fiber, known for its high strength, heat resistance, and corrosion resistance. It is widely used in various fields and can be categorized as follows:
1. Rove glass cloth: used to strengthen building materials, road surfaces, asphalt roofs, and insulation materials.
2. Medium yarn glass cloth: used to reinforce materials such as plastic, rubber, metal, and wood, and in the production of ships, cars, airplanes, and electrical appliances.
3. Fine yarn glass cloth: used for making high-strength composite materials, such as fiberglass and carbon fiber, widely used in aviation, aerospace, military and other fields.
4. Alkali resistant glass cloth: used for reinforcing building materials such as cement products and gypsum products.
5. Silicate glass cloth: used for high-temperature insulation materials, such as industrial furnace insulation and aviation engine insulation.
FR4 fabric glass
The function of FR4 fabric glass
1. Mechanical properties
FR4 fabric glass has high tensile strength, which is related to fiber diameter, fiber length, and alkali content. The finer the fiber, the higher the strength, and the shorter the fiber, the higher the strength.
2. Permeability
FR4 fabric glass is a non-capillary cylinder, and the fiber itself cannot be soaked in water and resin. In order to improve the permeability, an increase in the surface area of the adsorption resin is adopted.
3. Dielectric performance
The dielectric properties of FR4 fabric glass are related to the alkali content. An increase in alkali content leads to a decrease in surface resistance and an increase in dielectric loss. The effect of alkali is more significant at high temperatures and humidity, but the dielectric strength of glass fiber is good.
4. Thermal performance of glass cloth
Alkali-free glass fibers have high heat resistance and stable mechanical and electrical properties below 200 ℃. The thermal conductivity of glass fiber is small and almost independent of its diameter, but the thermal conductivity of glass fiber fabric increases with increasing capacity. However, the thermal conductivity of glass cloth is related to the thickness and standard weight of the fabric.
5. Chemical corrosion resistance
FR4 fabric glass is resistant to organic solvents and has strong resistance to mold, moths, bacteria, and decay.
FR4 fabric glass is widely used in printed circuit boards and has always been an important material for circuit board production. It has the characteristics of insulation, corrosion resistance, non-combustibility, high temperature resistance, high strength, low moisture absorption, softness, and high tensile strength.
