U-Pol Dolphin Body Filler - 3ltr
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Product Information
Full details
The U-Pol Dolphin Body Filler is an essential tool for professional automotive painters and DIY restoration enthusiasts who require a high-quality finishing glaze for medium-depth surface imperfections. Its primary benefit lies in its exceptional spreadability and ultra-fine texture, which allows for effortless sanding and a professional-grade finish; however, users should note that as a two-part polyester filler, it requires precise mixing and has a relatively short working time.
All features
| Model Part Number | DOLBF/M |
|---|---|
| Brand | U-Pol |
Extended Product Information
FAQs
Can I use U-Pol Dolphin over bare metal?
Yes, but it is always recommended to use it over properly prepped and sanded metal or an epoxy primer for maximum longevity.
Is this product waterproof?
While it is moisture resistant, it is porous at a microscopic level and should always be covered with a primer and topcoat system.
What grit should I use for sanding?
Start with 180-grit to shape the filler and finish with 320-400 grit before applying primer.
Can I use it on plastic bumpers?
No, this product is designed for metal and rigid substrates. Use a dedicated plastic repair filler for flexible bumpers.
How do I know if I have the right mix ratio?
The filler and hardener should create a completely uniform, streak-free color when mixed correctly.
Troubleshooting
Filler is not curing/staying tacky
Insufficient hardener was used. Ensure a proper 2% ratio and mix thoroughly until a uniform color is achieved.
Filler is pulling away from the surface during application
The substrate likely contains surface contaminants. Degrease the area thoroughly and re-sand to ensure a proper mechanical bond.
Sanding paper clogs quickly
The filler has not fully cured. Wait for the recommended 20-minute cure time before attempting to sand.
Pros and Cons
Pros
- Extremely smooth application consistency
- Easy to sand once cured
- Resistant to pinholes
- Strong adhesion to multiple metal surfaces
Cons
- Requires precise hardener ratio
- Limited working time in high temperatures
- Strong odor requires well-ventilated workspace
Setup, Compatibility & Care
Before application, ensure the substrate is clean, dry, and free from rust or oil. Sand the area with 80-grit sandpaper to provide a mechanical key.
- Mix the Dolphin filler with the included hardener on a clean mixing board.
- Use a standard mixing ratio of 2% hardener by weight.
- Apply using a plastic or metal applicator.
- Allow to cure in a dry, ventilated area for 15-20 minutes before sanding.
Compatibility: Compatible with most modern automotive paint systems, including 2K primers, epoxies, and topcoats. Always keep the container tightly sealed when not in use to prevent solvent evaporation and contamination. Store in a cool, dry place away from direct sunlight.