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What is the process of FR4 manufacturing?

FR4 is a material made of glass fiber and epoxy resin, which has good insulation performance, mechanical strength and heat resistance. During the processing, the raw materials need to be processed and processed in a series of ways to understand the required shape and performance. The first step in FR4 epoxy board processing is to prepare the raw materials. This includes steps such as mixing, stirr...

2025-05-29 View more

What is FR4 material？

FR-4 is a flame retardant material grade code, representing a composite material based on epoxy resin and glass fiber cloth, which is widely used in PCB manufacturing and electronic insulation. FR-4 is a key material widely used in the electronics industry. Its core characteristics and applications are as follows: 1. Definition and essence • Material grade rather than specific name: FR-4 is a flam...

2025-05-27 View more

Why is FR4 the most commonly used material for PCB?

FR is a material category for fiberglass reinforced epoxy laminates. FR-4 material is a reinforced epoxy laminate made of epoxy resin and flame-retardant fiberglass fabric. It is a self-extinguishing material due to the addition of bromine. The category designations for fiberglass laminates include G-10, G-11, FR-4, FR-5, and FR-6. Among them, FR-4 is the most widely used grade today. G-10 is the ...

2025-05-26 View more

Key Differences Between G10 Fiberglass Cloth Tubes and G10 Filament Wound Tubes‌

Introduction:‌ G10 fiberglass tubes are widely used in electrical, mechanical, and industrial applications due to their excellent insulation, strength, and chemical resistance. However, there are two main manufacturing methods—‌fiberglass cloth lamination‌ and ‌filament winding‌—resulting in distinct performance characteristics. Below, we break down their key differences. ‌1. Manufacturing Process...

2025-05-23 View more

What're main properties of GPO-3 insulating materials?

The performance of GPO-3 insulating materials in terms of application includes electrical, mechanical, chemical, thermal, environmental and economic performance. 1. Mechanical properties of GPO-3 materials The mechanical properties of materials include tensile, compressive, flexural, shear strength, tensile and compressive die, elongation, and some less easily defined properties such as wear resis...

2022-07-23 View more

What is GPO-3 insulation board withstand voltage test?

GPO-3 insulation board withstand voltage test is a non-destructive test, which is used to check whether the insulation capacity of the frequently occurring transient high voltage is qualified. It applies high voltage to the device under test for a certain period of time to ensure that the insulation performance of the device is strong enough. Another reason for doing this test is that it can also ...

2022-07-16 View more

What is Epoxy ESD FR4 Sheet？

Epoxy ESD FR4 Sheet is a kind of semiconductor material made of non-alkali epoxy resin filled with a certain proportion of carbon black and laminated at high temperature. It has high mechanical strength and toughness and stable electrostatic discharge performance. It shows better performance at room temperature. Good static elimination effect, more suitable for use in semiconductor and dust-free e...

2022-07-06 View more

Can G10 be machined?

Yes, Machined G10 is available. G10 is a composite material composed of glass fiber cloth and epoxy resin. It was originally developed as a material for aircraft, which can withstand great force without damage and deformation. G10 will not be penetrated by water vapor and liquid, has the characteristics of insulation, acid and alkali resistance, and is not heavy. There are many kinds of G10 proces...

2022-07-02 View more

What is FR4 flame retardant board?

FR4 flame retardant board is a plate-shaped insulating material made of glass fiber cloth impregnated with epoxy resin as an adhesive, dried and hot-pressed. It has high mechanical properties, water absorption, flame retardancy and heat resistance, and the dielectric properties are stable after immersion in water. The mechanical properties, dimensional stability, impact resistance and moisture res...

2022-06-23 View more

How to use epoxy tube?

The epoxy tube is made of electrical alkali-free glass fiber cloth impregnated with epoxy resin, baked and processed by hot pressing in a molding die. The cross-section is round. The glass cloth rod has high mechanical properties. The use of epoxy glass fiber tube: 1. Check the surface,the surface should be flat and smooth, free of air bubbles, oil stains and impurities. Uneven color, scratches, a...

2022-06-18 View more

What is a G10 Rod?

G10 Epoxy rod is a rod with a circular cross-section, which is processed by electrical alkali-free glass fiber cloth impregnated with epoxy resin, after baking and hot pressing in a forming mold. It is suitable for high-insulation structural parts for machinery, electrical appliances and electronics. Has high mechanical and dielectric properties, good heat resistance and moisture resistance. G10 E...

2022-06-11 View more

What is the purpose of epoxy resin pipe?

Epoxy resin pipes are mainly used for secondary protection of low-voltage lines and electrical equipment above the line during power outage maintenance, to prevent induced voltage damage in maintenance lines, and to provide a reliable guarantee for security inspectors. If the epoxy resin tube adopts untwisted roving/pulling/winding/pulling, the radial strength is obviously too low; if the hoop win...

2022-05-28 View more

What're applications of GPO-3 Electrical Grade Sheet Laminates?

The applications of GPO-3 Electrical Grade Sheet Laminates: 1. Power-type power supply: high-quality main insulating materials such as medium and high voltage frequency converters, converters, and high-voltage switch cabinets are used as columns, beams, wire ducts, etc. 2. Circuit breakers: safety baffles, safety shutters, spacer pads, phase spacers, arc-extinguishing chambers, etc. 3. Motor: moto...

2022-05-21 View more

Why is G10 Material good for electrical insulation?

G10 Material is a composite material composed of glass fiber cloth and epoxy resin. It was originally developed as a material for aircraft, which can withstand great force without damage and deformation. G10 will not be penetrated by water vapor and liquid, and has the characteristics of insulation and acid and alkali resistance. 1. Excellent low water absorption The water absorption rate is almos...

2022-05-12 View more

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