Black FR4 Sheet– Performance & Features
3 month ago
Product details
Composite materials laminated by epoxy resin and glass fiber cloth are widely used in electronics, electrical, communications and other fields due to their excellent electrical properties, mechanical strength and heat resistance. The "FR" in FR4 stands for "Flame Retardant", indicating that it has good flame retardant properties.
Performance Characteristics
Electrical insulation: high insulation resistance, low dielectric constant, suitable for high-frequency circuits.
Mechanical strength: high bending strength and impact resistance.
Heat resistance: can remain stable at higher temperatures, usually 130°C to 140°C.
Flame retardancy: meets UL94 V-0 flame retardant standards and has good fire resistance.
Chemical resistance: good resistance to most chemicals.
Dimensional stability: can remain dimensional stable under changes in temperature and humidity.
| Comparison Table: 3240 Epoxy Sheet vs. FR4 Sheet | ||
| Characteristics | 3240 Epoxy Sheet | FR4 Sheet |
| Main Applications | Structural insulation parts, mechanical support | Printed circuit board (PCB) substrate |
| Key Processing Techniques | Mechanical processing (cutting, drilling) | PCB processes (etching, copper plating, etc.) |
| Key Performance Focus | Mechanical strength, insulation | High-frequency signal transmission, dielectric stability |
| Typical Thickness | 0.5mm–50mm (thicker) | 0.2mm–3.2mm (thinner) |
High performance: excellent electrical and mechanical properties, suitable for demanding applications.
Flame retardancy: meets strict flame retardant standards and is highly safe.
Versatility: suitable for a variety of electronic and electrical applications.
Processability: easy to cut, drill and surface treat.
Application Fields
PCB manufacturing: FR4 is the main material for manufacturing printed circuit boards (PCBs) and is widely used in electronic devices.
Electrical insulation: used for insulating components of electrical equipment such as transformers, relays, switches, etc.
Communication equipment: used for high-frequency communication equipment such as antennas and filters.
Industrial control: used for circuit boards and insulating components in industrial control systems.
Automotive electronics: used for automotive electronic control units (ECUs) and sensors, etc.
Aerospace: used for high-performance circuit boards in aerospace electronic equipment.
Environmental protection: some products comply with environmental protection standards such as RoHS.
3240 Epoxy Board:
Temperature Resistance: It has a temperature resistance rating of B, maintaining high mechanical strength at room temperature up to 130°C.
Electrical Properties: It exhibits excellent electrical properties in both dry and wet conditions, and it is flame-resistant.
Application Areas: It is mainly used in electrical and electronic industries for insulation structural components.
Features: It has strong adhesion, easy curing, good mechanical properties, diverse forms, and low shrinkage.
FR4 Board:
High-Temperature Resistance: It has excellent high-temperature resistance, enduring temperatures up to 180°C.
Corrosion Resistance: It can resist erosion from most chemicals, resulting in a long service life.
Mechanical Strength: It has high mechanical strength, resisting external impacts and vibrations.
Electrical Insulation: It provides good electrical insulation, effectively preventing current leakage and electromagnetic interference.
Dimensional Stability: It maintains good dimensional stability during manufacturing, minimizing deformation.
Environmental Friendliness: It is made from environmentally friendly materials,( 68302263,non-toxic and harmless).
Application Areas: It is widely used in electronics, electrical engineering, communications, aerospace, and other fields, such as computer motherboards and power adapters.
G10 Epoxy Board:
Temperature Resistance: It has a temperature resistance of up to 200°C, making it an excellent insulation board.
Features: It has diverse forms, easy curing, strong adhesion, and low shrinkage.
Application Areas: While its performance is superior, it has not been widely adopted due to price considerations. It has some applications in the aviation, aerospace, construction, chemical, and agricultural industries.
In summary, the 3240, FR4, and G10 boards differ in terms of temperature resistance, electrical properties, mechanical strength, electrical insulation, and other aspects, making them suitable for unique applications depending on specific needs and conditions.
Our company focuses on high-performance engineering plastics and insulation materials. Our main products include high-end engineering plastic sheets/rods such as polyoxymethylene (POM), ABS, nylon (PA), polycarbonate (PC), polyphenylene sulfide (PPS), polyetherimide (PEI), polyetheretherketone (PEEK), etc. We also provide special insulation materials such as bakelite (phenolic laminate) and epoxy glass fiber board. With excellent properties such as high temperature resistance, wear resistance and high strength, our products are widely used in new energy vehicles, smart electronics, industrial machinery, aerospace and other fields.
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SHENZHEN XIONGYIHUA PLASTIC INSULATION LTD
Audited supplier
9 year
Main Product:
POM SHEET,
FR4 Sheet,
Nylon Sheet,
Bakelite Sheet,
ABS Sheet ,
PTFE Sheet
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