Tetrosyl Exh001 Red Hardener For Resin Body Fillers - 40gm x2
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This guide is for automotive body repair professionals and DIY enthusiasts working with Tetrosyl Polyester fillers. The key benefit is ensuring proper curing for a durable finish. A caveat is that it is specifically designed for Tetrosyl polyester fillers and may not be compatible with other brands. This product consists of two 40g tubes of red hardener paste, essential for activating and curing polyester body fillers, allowing for the smooth application and repair of imperfections and holes in vehicle bodies.
All features
| Model Part Number | TETEXH001PK2 |
|---|---|
| Brand | Tetrosyl |
Extended Product Information
FAQs
What is the purpose of the red hardener paste?
The red hardener paste acts as an activator for Tetrosyl Polyester fillers. It initiates a chemical reaction that causes the filler to cure and harden, making it ready for sanding and finishing.
How much hardener should I use?
The exact ratio depends on the specific Tetrosyl Polyester filler being used. Always refer to the instructions on the filler's packaging for the recommended amount of hardener. Typically, it's a very small proportion relative to the filler volume.
Can I use this hardener with fillers from other brands?
No, this Tetrosyl Exh001 Red Hardener is specifically formulated for use with all Tetrosyl Polyester fillers only. Using it with other brands or types of fillers may result in improper curing, poor adhesion, or failure of the repair.
How long does it take for the filler to harden?
The curing time (or 'pot life' and 'set time') varies depending on the specific filler, the amount of hardener used, and ambient temperature. Generally, the filler becomes workable for a short period (e.g., 5-10 minutes) and then hardens enough to be sanded within 20-30 minutes.
What happens if I don't use enough hardener?
If insufficient hardener is used, the filler will not cure properly. It may remain soft, gummy, or weak, making it impossible to sand or paint, and the repair will likely fail over time.
What happens if I use too much hardener?
Using too much hardener can cause the filler to cure too rapidly, reducing your working time significantly and potentially leading to excessive heat generation during curing. It can also make the cured filler brittle.
How should I store the hardener tubes?
Store the hardener tubes in a cool, dry place, ensuring the caps are tightly sealed after each use to prevent the paste from drying out or degrading.
Troubleshooting
Filler does not harden or remains soft
This usually indicates insufficient hardener was mixed in. Ensure the correct ratio is used according to the filler's instructions and that the hardener is thoroughly mixed. Check that the hardener has not expired or dried out.
Filler hardens too quickly, before it can be applied
Too much hardener was used, or the ambient temperature is very high. Carefully measure the hardener and filler. Work in a cooler environment if possible. Use the mixed filler immediately.
Uneven curing or 'hot spots'
The hardener was not mixed thoroughly into the filler. Ensure the red color is completely uniform throughout the mixture before application.
Hardener tube is difficult to dispense
The nozzle may be partially blocked by dried paste. Carefully clear any obstruction with a pin or small tool. Ensure the cap is sealed tightly when not in use.
Pros and Cons
Pros
- Ensures proper and complete curing of Tetrosyl polyester fillers.
- Designed for optimal performance with the specified filler range.
- Red color provides a visual cue for effective mixing.
- Convenient dual-pack of 40g tubes for moderate repair needs.
- Contributes to robust and durable bodywork repairs.
Cons
- Only compatible with Tetrosyl Polyester fillers.
- Requires precise mixing ratios for best results.
- Paste consistency can be challenging to mix evenly if not handled correctly.
- Not suitable for non-polyester based fillers.
- Potential for reduced performance or incomplete cure if mixed with incorrect filler types.
Setup, Compatibility & Care Instructions
Compatibility:
This red hardener paste is exclusively designed for use with all Tetrosyl Polyester fillers. It is not compatible with other types of fillers (e.g., epoxy, acrylic) or fillers from different brands.
Setup (Mixing):
- Dispense the required amount of Tetrosyl Polyester filler onto a clean, flat mixing board.
- Add the recommended amount of Tetrosyl Exh001 Red Hardener paste to the filler. Refer to the filler's product instructions for the precise ratio (typically a small pea-sized amount of hardener per golf ball-sized amount of filler).
- Thoroughly mix the filler and hardener using a clean spatula or mixing tool until a uniform color is achieved, indicating even distribution. Avoid over-mixing which can introduce air bubbles.
- Apply the mixed filler to the damaged area immediately, as the working time is limited.
Care:
- Store the hardener tubes in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the tube caps are securely closed after each use to prevent the paste from drying out.
- Clean all tools and mixing surfaces immediately after use with appropriate solvents, as hardened filler is difficult to remove.