G10 / FR4
G10 / FR4 is a thermoset laminate of woven fiberglass impregnated with epoxy resin, pressed under high pressure and temperature, with excellent mechanical and dielectric properties. It is flame retardant (FR4) and offers excellent thermal and chemical resistance, with machining and continuous service up to 155 °C (Class F). It is ideal for electrical and thermal insulation in machines and equipment that require high temperature combined with high mechanical stress.
| Commercial | Designation | Family | Density |
|---|---|---|---|
| G10 / FR4 | Glass-epoxy | Thermoset laminate | 1.9 – 2.0 g/cm³ |
| Component | Identification |
|---|---|
| Reinforcement | Woven fiberglass |
| Matrix (resin) | Epoxy resin |
| Type | Thermoset laminate (high pressure) |
| Reference density | 1.9 – 2.0 g/cm³ |
| Thermal stability | 200 °C (Martens) |
| Dielectric strength | > 13 kV/mm |
| Color | Light green |
Hot pressedLaminated pressed sheets for cutting and machining
Plates5/16" – 4"8 mm – 100 mm- Electrical insulation
- Thermal insulation
- Electrical machine components
- Electronic equipment
- Printed circuit boards (PCB)
- Insulating spacers and barriers
- Dielectric supports and bases
- Insulating structural parts
- Class F insulators (155 °C)
- Highly stressed mechanical components
- Terminals and connectors
- Precision machined parts
Note: Glass-fabric laminate with flame-retardant epoxy resin, suitable for class F (155 °C); light green. Values are for reference and may vary by grade. Thermoset laminates are identified by their reinforcement (paper, fabric or glass fiber) and their resin (phenolic or epoxy), not by chemical percentages as with steels. The information and values in this data sheet are provided for reference only and may vary depending on manufacturing and application conditions. They do not constitute guaranteed specifications, so use and interpretation of this data is the user's responsibility.
