Mastic polyester pour carrosserie MASTER Onyx
Mastic polyester pour carrosserie MASTER Onyx - 1L est en rupture de stock et sera expédié dès qu’il sera de retour en stock.
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Description
Description
Mastic polyester pour carrosserie MASTER Onyx
Mastic polyester structurel renforcé de fibres de verre courtes, conçu pour les réparations rapides de carrosseries automobiles. Particulièrement recommandé pour le remplissage de bosses et de trous importants sur les véhicules, remorques et semi-remorques. Offre un très bon renforcement aux parties endommagées de la carrosserie.
Avantages
- Adhérence maximale au métal.
- Très bon ponçage
- Très facile à mélanger et à appliquer
- Temps de séchage rapide
Substrats
Le produit présente une très bonne adhérence sur divers supports. Il peut être appliqué sur :
- Acier et aluminium après matage et dégraissage
- Acier zingué après matage et dégraissage
- Stratifiés en fibre de verre-polyester (GFK/GRP) sablés, mastics et enduits de carrosserie en polyester, apprêts acryliques et époxy, anciens revêtements de peinture en bon état.
Prudence :
Ne pas appliquer les enduits de remplissage directement sur les apprêts réactifs, les produits acryliques monocomposants et les produits nitrocellulosiques.

Key Features
The MASTER Onyx Polyester Body Filler is a high-performance, multi-purpose body filler designed for automotive, industrial, and marine repair applications. Engineered for maximum adhesion, superior strength, and easy sanding, this lightweight yet durable filler is ideal for repairing dents, scratches, holes, and surface imperfections on metal, fiberglass, aluminum, and composite materials. With its smooth application and minimal shrinkage, it ensures long-lasting, crack-resistant repairs with a flawless, paint-ready finish.
Applications
Plastic bumper and panel repairs
Fiberglass and marine surface restoration
Motorcycle, ATV, and RV bodywork refinishing
Industrial equipment and machinery maintenance
Marine and aerospace topcoats
Custom fabrication and restoration projects
How to Use
Surface Preparation – Clean the area thoroughly, ensuring it is free of dust, grease, and contaminants. Lightly sand for better adhesion.
Mixing – Blend the filler with the included BPO cream hardener at a 2% ratio until the color is uniform.
Application – Apply the mixed filler to the damaged area using a spreader. Build up layers if needed, allowing each layer to set.
Curing Time – Allow 15–30 minutes for the filler to dry completely before sanding.
Sanding & Finishing – Sand with progressively finer grit (starting with 80-120 grit and finishing with 220-400 grit) for a smooth, paint-ready surface.
Package Contents
The MASTER Onyx Polyester Body Filler is the ideal solution for high-strength, smooth, and long-lasting repairs in automotive, marine, and industrial applications. Whether you're a professional auto body technician or a DIY enthusiast, this premium polyester filler ensures flawless results with minimal effort.
1 x Can of MASTER Onyx Polyester Body Filler

1 x BPO Cream Hardener
Technical Specifications:
Base Material: Polyester Resin
Color: Dark Gray
Mixing Ratio: 2% BPO Hardener (included)
Working Time: 5–7 minutes
Curing Time: 15–30 minutes
Sandability: Excellent after curing
Application Thickness: Up to 1/4 inch per layer
Finish: Smooth, non-porous, paint-ready
✔️ Premium Quality & Durability – Trusted by professionals for strong, long-lasting repairs.
✔️ Lightweight & Easy to Work With – Spreads smoothly and sands effortlessly.
✔️ Fast Drying & Time-Saving – Increases efficiency in auto body shops and repair projects.
✔️ Multi-Surface Compatibility – Works on metal, fiberglass, aluminum, and composites.