Dynatron
Dynatron 688 White Fiberglass Mat 8 sq-ft for automotive and marine repair reinforcement
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This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.Tap for details → P65Warnings.ca.gov
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Overview
Built for the job.
Dynatron™ fiberglass mat helps repair defects such as holes, cracks and tears in fiberglass, metal, wood, aluminum and masonry. Our fiberglass mat will not rust or rot. Use with Bondo™ fiberglass repair resin for hundreds of repairs to tubs, showers, cars, boats, trucks, RVs and more. When properly used with…
Dynatron 688 Fiberglass Mat is an 8 sq-ft white reinforcement fabric designed for structural repair and panel replacement in automotive body work. It provides a stable, load-bearing base for polyester or epoxy resin systems when rebuilding damaged panels, filler layers, or custom shapes.
The mat adheres to a wide range of substrates-including aluminum, steel, galvanized metal, wood, concrete, e-coat finishes, fiberglass, SMC, and primed surfaces-allowing flexible use across body shop applications. Its 8 sq-ft size offers consistent coverage for standard panel repairs while maintaining the dimensional stability required for high-quality surface preparation.
When handling Dynatron 688, technicians should wear chemical-resistant gloves, eye protection, and a suitable respirator, and work in a well-ventilated area to control resin vapors. Follow all safety data sheet recommendations for the chosen resin system.
Why Pros Choose Dynatron DYN
- Fiberglass mat reinforces repairs
- Mat adds strength
- Easy to cut mat allows for custom shapes and sizes
- Pliable cloth conforms to curves
- Designed to work with fiberglass resin
Application Guide
Compatibility
Compatible substrates: Aluminum, Fiberglass, Wood.
Specifications
| Part No. | 688 |
|---|---|
| Product Line | DYN |
| MFR Model | 688 |
| Manufacturer | Dynatron |
| Alternate Part Number-1 | 70008007000 |
| UPC | 076308006884 |
| Brand | Dynatron™ |
| Color | White |
| Material | Fiberglass |
- Compatible Substrates
- Aluminum, Concrete, E-coat, Fiberglass, Galvanized, Polyester, Primer, SMC, Steel, Wood
About Dynatron
Dynatron is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can I use Dynatron™ 688 Fiberglass Mat on?
The mat is compatible with aluminum, concrete, e-coat, fiberglass, galvanized steel, polyester, primer, SMC, steel, and wood substrates.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
How to apply
Steps
1Sand to bare metal and clean the repair.
2Mix filler and hardener to one uniform color.
3Spread thin layers within the work time.
4Let set, then block-sand through the grits.
5Prime before applying topcoat.
Specifications
Full data
Frequently asked
Good to know
Dynatron DYN is compatible with Aluminum, Fiberglass, Wood. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for Dynatron DYN ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of Dynatron products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for Dynatron DYN is 688. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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