U-Pol Plast X Body Filler - Plas/6
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Product Information
Full details
U-Pol Plast X is a high-performance, flexible body filler designed for automotive professionals and DIY enthusiasts who need to repair damaged plastic substrates like bumpers and trim. Its primary benefit is its exceptional adhesion and smooth, easy-to-spread consistency that simplifies the process of achieving a factory-like finish on challenging plastic surfaces. While it offers superior flexibility, users should note that proper surface preparation is essential to ensure long-term bonding, as oily contaminants or improper sanding can compromise its adhesion properties.
All features
| Model Part Number | Plas/6 |
|---|---|
| Brand | U-Pol |
Extended Product Information
FAQs
Can I use Plast X on metal parts?
Plast X is specifically designed for flexible plastic and SMC; for metal, a standard automotive body filler is recommended.
Do I need a special primer after using this filler?
It is recommended to use an adhesion promoter followed by a plastic-compatible primer-surfacer to ensure the best paint adhesion.
How long does it take to dry?
Cure time varies based on temperature and hardener ratio, but it is typically sandable within 20-30 minutes.
Is this filler sandable?
Yes, once fully cured, it is designed to be easily sanded to a smooth finish before painting.
Does this tub come with a hardener?
Hardener is typically sold separately or included as a separate tube depending on the specific supply kit.
Can I use this on textured plastic trim?
Yes, but you will need to re-texture the area after sanding if you want to match the factory appearance.
Troubleshooting
Filler is not curing or staying tacky
Check the hardener-to-filler ratio; it is likely under-catalyzed or the hardener is expired.
Filler is peeling off after drying
The surface was likely not cleaned sufficiently or sanded enough; remove, clean thoroughly, and reapply.
Pinholes appearing after sanding
Apply the filler in thinner layers using more pressure to force the material into the scratch, or use a finishing glaze.
Pros and Cons
Pros
- Excellent flexibility for bumper repairs
- High-adhesion formula ensures durability
- Smooth texture is easy to apply and shape
- Compatible with most common automotive plastic types
- Helps achieve a seamless, professional finish
Cons
- Requires thorough surface cleaning to work correctly
- Limited to plastic and SMC applications
- Specific drying times must be followed strictly
- Requires proper mixing with hardener (not included in tub)
Setup, Compatibility & Care
To ensure optimal results, always clean the damaged area with a plastic-safe degreaser before sanding. Sand the area with 80-180 grit paper to create a mechanical key for the filler to grip. Ensure the substrate is completely dry and free from dust before application. Mix the filler with the appropriate hardener according to the manufacturer's ratio until a uniform color is achieved. For care, keep the lid of the 600ml tub tightly sealed when not in use to prevent the product from drying out or absorbing moisture. Store in a cool, dry place away from direct sunlight.