3240 Epoxy Fiberglass Insulation Board – High Temp Resistant
3240 Epoxy Fiberglass Insulation Board – High Temp Resistant
3240 Epoxy Fiberglass Insulation Sheet – Circuit Protection Board
The 3240 Epoxy Fiberglass Insulation Board is a premium-grade electrical insulating sheet engineered for demanding electronic and DIY applications. Whether you're building battery packs, circuit boards, or custom electronic enclosures, this yellow epoxy sheet delivers outstanding mechanical strength, dimensional stability, and reliable dielectric performance in a convenient, easy-to-machine panel.
Made in Mainland China.
Key Features
- High Mechanical & Electrical Strength – Withstands mechanical stress and electrical loads in a wide range of applications
- High Temperature Resistance – Maintains structural integrity and insulating properties under elevated heat conditions
- Excellent Rigidity & Dimensional Stability – Stays flat and true, even under load or temperature fluctuation
- Superior Dielectric Properties – Stable electric insulation performance across varying conditions
- Low Water Absorption – Resists moisture for consistent performance over time
- Flame Resistant – Added safety for electronics and battery applications
- Smooth, Clean Surface – Flat and straight panel with tighter thickness tolerance for precise fitment
- Easy to Machine – Can be cut, drilled, or shaped to your exact requirements
Specifications
| Model | 3240 Epoxy Board |
| Material | 3240 Fiberglass Insulation Sheet (Epoxy Resin + Woven Fiberglass) |
| Color | Yellow |
| Available Sizes | 203×172 mm | 200×300 mm |
| Thickness | 0.5 mm |
| Voltage Range | Low voltage — below 75V DC / below 50V AC |
| Package Contents | 1 or 5 × Epoxy Insulation Sheet (choose quantity) |
What Can You Use It For?
This versatile epoxy insulation board is ideal for use in battery pack assemblies, PCB mounting, motor insulation, transformer barriers, electronic prototyping, and custom enclosure projects. Its machinable nature means you can cut or combine multiple sheets to achieve the exact shape and size your project demands.
Related Products You May Like
- 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel
- 10-Pc Hex Nut & Bolt Extractor Kit 9–19mm | HIP Tools
- 105° Right Angle Driver with 1/4" Hex Screwdriver Bit | HIP
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What is a 3240 epoxy fiberglass insulation board used for?
A: The 3240 epoxy fiberglass insulation board is widely used in electronics and electrical engineering for circuit board support, battery pack insulation, transformer barriers, motor components, and DIY electronic projects. It provides reliable electrical insulation and mechanical rigidity in a lightweight, easy-to-machine sheet.
Q: Can I cut the epoxy insulation sheet to a custom size?
A: Yes! The 3240 epoxy board is designed to be easy to machine — it can be cut with standard tools such as a hobby knife, jigsaw, or rotary tool to suit your specific project dimensions. The two available sizes (203×172 mm and 200×300 mm) also allow you to combine sheets for larger builds.
Q: Is this board flame resistant and safe for battery applications?
A: Yes. The 3240 epoxy fiberglass sheet features inherent flame resistance and low water absorption, making it well-suited for use in battery pack assemblies and other applications where safety and stable insulation performance are critical.
Q: What thickness is this epoxy insulation board?
A: This board comes in a 0.5 mm thickness with tighter thickness tolerance for precision fitment, ensuring a flat, consistent panel surface across the entire sheet.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.