Tetrosyl Color Cure 2K Fibrofil Paintwork Glass Fibre Car Body Dent Filler - 2L

The recommended mixing ratio is 100 parts filler to 2 parts hardener. It is crucial to avoid using too much hardener.

At a temperature of 20°C, the filler can be sanded after approximately 20 minutes using P80+ grit sandpaper.

The product description specifies compatibility with metal and glass fibre surfaces. Compatibility with specific plastics is not detailed and should be tested in an inconspicuous area if necessary.

Store the filler in a cool area, protecting it from frost. It is also advised to keep the paste cool in summer and warm in winter to maintain its consistency.

No, you should never return unused mixed paste to the original tin. Only mix the amount of filler you intend to use.

Yes, its properties like strength, vibration resistance, and compatibility with low bake ovens make it suitable for professional use in crash repair.

Ensure the correct ratio of filler to hardener (100:2) was used. Check ambient temperature; it should be around 20°C for optimal curing. In very cold conditions, curing will be significantly slower.

This can be due to excessive hardener, application on a contaminated surface, or applying over a flexible substrate without proper reinforcement. Ensure surface cleanliness and correct mixing ratios. For large areas, consider reinforcing with fiberglass mesh.

The filler may not have cured sufficiently, or the wrong grit sandpaper was used. Ensure the recommended curing time has passed before sanding and use the specified P80+ grit sandpaper for initial sanding.

The surface was likely not properly cleaned or prepared. Re-clean the area thoroughly with a degreaser and panel wipe before reapplication.