Epoxy fiberglass rods are reinforced composites made from epoxy resin and glass fibers, offering high mechanical strength, excellent electrical insulation and good thermal stability. They are widely used for bushings, spacers, structural components, CNC-machined parts and electrical insulation applications where moisture resistance and long service life are required.
What is an Epoxy Fiberglass Rod?
Epoxy fiberglass rod is a reinforced engineering composite manufactured from epoxy resin and glass fibers.
It combines high tensile and compressive strength, excellent electrical insulation, good thermal stability and dimensional consistency.
These properties make epoxy fiberglass rods a reliable choice for electrical, mechanical and CNC-machined components.
Engineering Properties of Epoxy Fiberglass Rod
- Excellent electrical insulation: Suitable for switchboards, electrical panels and insulating parts.
- High mechanical strength: Performs well under tensile and compressive loads.
- Good thermal stability: Maintains performance at elevated temperatures.
- Low moisture absorption: No dimensional change in humid environments.
- Dimensional stability: Ideal for precision CNC machining.
- Good chemical resistance: Compatible with many industrial chemicals.
- Long service life: Durable performance in demanding industrial conditions.
Typical Applications of Epoxy Fiberglass Rod
- Electrical insulation components
- Industrial bushings and spacers
- Structural brackets and support elements
- Precision CNC-machined parts
- Electrical equipment and switchgear components
- Moisture-resistant mechanical parts
Technical Specifications
| Property | Typical Range |
|---|---|
| Density | 1.85 – 2.0 g/cm³ |
| Electrical Insulation | Excellent |
| Tensile Strength | 250 – 350 MPa |
| Service Temperature | Up to approx. 155 °C (depending on grade) |
| Water Absorption | < 0.2% |
| Compressive Strength | 300 – 400 MPa |
FR4 and G10 Grades
- FR4: Flame-retardant grade, widely used for electrical and electronic insulation.
- G10: Higher mechanical strength, preferred for CNC-machined and structural components.
Frequently Asked Questions
Are epoxy fiberglass rods suitable for electrical panels?
Yes, especially FR4 grade, which provides excellent electrical insulation.
Can epoxy fiberglass rods be CNC machined?
Yes, their dimensional stability makes them ideal for precision CNC machining.
What is the difference between FR4 and G10 rods?
FR4 is flame-retardant, while G10 offers higher mechanical strength for structural applications.
For selecting the right epoxy fiberglass rod for your application, contact the technical team at Toseeteflon.