C-Tech CT620 Fiberglass Body Filler, 2 Quarts (2 kg)
Professional Fiberglass-Reinforced Polyester Body Filler
C-Tech CT620 Fiberglass Body Filler is a premium fiberglass-reinforced polyester filler engineered for heavy-duty automotive and fiberglass repairs. Infused with chopped fiberglass strands for maximum structural strength, it repairs rust damage, holes, cracks, tears, and deep dents while providing exceptional adhesion, moisture resistance, and long-lasting durability. It creates a solid repair foundation before finishing with lightweight body filler and primer.
Key Features
- Infused with chopped fiberglass strands for maximum strength
- High-strength structural repair formula
- Excellent adhesion to steel, aluminum, fiberglass, and galvanized steel
- Repairs rust holes, cracks, tears, and deep dents
- Moisture-resistant to help prevent corrosion
- Easy to spread, shape, and sand
- Fast-curing professional formula
- Low shrinkage for durable, long-lasting repairs
- Ideal base layer before lightweight body filler and primer
Ideal Applications
- Structural automotive repairs
- Rust repair
- Fiberglass panel repairs
- Collision repair
- Vehicle restoration
- Heavy-duty body repairs
Compatible Surfaces
- Bare steel
- Galvanized steel
- Aluminum
- Fiberglass (FRP)
- SMC panels (properly prepared)
- Sanded existing polyester fillers
Mixing Ratio
- 100 Parts CT620 Fiberglass Body Filler
- 2–3 Parts Cream Hardener (approximately 2% by weight)
Specifications
- Brand: C-Tech
- Model: CT620
- Product Type: Fiberglass Body Filler
- Size: 2 Quarts (2 kg)
- Color: Green
- Professional Use: Yes
Benefits
- Maximum structural strength
- Bridges holes and reinforces damaged panels
- Superior moisture resistance
- Easy sanding after curing
- Excellent foundation for C-Tech CT600 or CT610 Lightweight Body Filler
- Produces durable, professional-quality repairs
C-Tech CT620 Fiberglass Body Filler is the ideal solution for professional body shops and collision repair technicians who need maximum strength, superior adhesion, and dependable durability for structural repairs before priming and painting.