In the field of insulating materials, epoxy glass fiber laminates have become core materials for the electricity, electronics, and industrial equipment industries due to their mechanical strength and insulation properties. While G10, FR4, and G11 all use glass fiber cloth and epoxy resin, their specific formulas provide different performance focuses.
G10 Board: The General-Purpose Insulator
G10 is the standard epoxy glass fiber board and belongs to the category of general-purpose insulating materials. It does not contain flame-retardant additives.
- Heat Resistance: Class B, with a continuous working temperature of up to 130°C.
- Performance: Excellent mechanical toughness and impact resistance; it is not prone to brittle cracking.
- Best For: Motor insulation gaskets, transformer accessories, and mechanical structural supports where flame retardancy is not required.
FR4 Board: The Flame-Retardant Mainforce
FR4 is the flame-retardant upgraded version of the G10 board. It is the most widely used material in the electronic and electrical fields.
- Safety Standard: Includes efficient flame retardants, reaching the UL 94 V-0 flame retardancy standard.
- Temperature: Maintains a Class B rating with a continuous working temperature of 130°C.
- Best For: Printed circuit boards (PCBs), high and low voltage switchgear, and precision electronic equipment with strict fire safety requirements.
G11 Board: The High-Temperature Specialist
G11 is the high-temperature specialized version, designed for the most demanding thermal environments.
- Heat Resistance: Uses a high-heat-resistant epoxy formula, raising the heat resistance to Class H with a working temperature of up to 155°C.
- Durability: Maintains mechanical strength and insulation performance under high temperature and high pressure without deforming.
- Best For: High-temperature motors, generators, dry-type transformers, and high-voltage switches.
Summary of Selection
- Choose G10 for conventional industrial conditions and general insulation.
- Choose FR4 for electronic scenarios requiring strict flame retardancy.
- Choose G11 for high-end, heat-resistant insulation in complex conditions.
Contact RDS for Professional Insulation Solutions
As a leading manufacturer, RDS possesses automated production lines consisting of coating lines and laminating machines. We produce high-quality G10, FR4, and G11 epoxy glass fiber boards to meet your exact specifications.
- Standard Sizes: 1020×1220mm and 1220×2040mm.
- Thickness Range: Covering 0.1mm to 150mm.
- Custom CNC Machining: With our advanced CNC equipment, we can process boards into precision parts according to your needs.
Ready to start your project? If you are looking for reliable glass fiber boards or custom machined parts, please contact us today for a professional quote!