Upol B is a strong polyester glass fibre filler that can be easily shaped and sanded once cured. Suitable for bridging holes and rust in steel and GRP surfaces. UPOLB/4
Excellent gap filling properties
Water resistant when fully cured
Easy to cover with standard polyester filler
Product Type: Polyester glass fibre body filler
Volume: 1.85 litres
Application: Ideally suited for bridging holes and repairing rust damage in steel and glass-reinforced plastic (GRP) surfaces
Finish & Compatibility: Once cured, can be easily shaped and sanded; designed to be overcoated with standard polyester fillers for a smooth, paintable finish
Key Properties: Excellent gap-filling ability; strong and durable; water resistant when fully cured
Composition: Contains polyester resin and chopped glass fibres for reinforced, high-strength repair performance
Surface Preparation: Surfaces must be clean, dry, and free from rust, dirt, oil, and loose paint before application
Mixing Guidance: Requires mixing with a suitable peroxide hardener (typically included, but confirm packaging)
Safety Information: Contains styrene and other solvents; use in a well-ventilated area and wear appropriate personal protective equipment (gloves, eye protection, mask)
Storage: Store in a cool, dry place between 5°C and 25°C; keep container tightly sealed and away from sources of ignition
Environmental Info: Dispose of contents and container in accordance with local regulations; do not pour into drains or waterways
Intended Use: For professional automotive body repair use only