U-POL
U-POL Lightweight Filler, 0.8 Gal - 0643
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Overview
Built for the job.
A high quality two-part light weight polyester filler. It has a super creamy consistency with smooth easy application. Suitable for multiple substrates, it’s easy to sand with a high product removal and a fine finish which is pinhole resistant. U-POL is a registered trademarks of U-POL Ltd, an Axalta Coating…
TECTIUM™ Lightweight Filler is a professional-grade auto body filler designed for efficient panel preparation and repair work. This 0.8-gallon formulation delivers reliable performance across multiple substrate types, making it a versatile solution for collision repair shops handling diverse vehicle materials.
The filler bonds effectively to aluminum, galvanized steel, polyester, primer, SMC, and standard steel surfaces, eliminating the need for multiple specialty products. With a VOC content of 167g/l and a 5-year shelf life, this filler provides consistent workability while meeting regulatory requirements. The lightweight formulation reduces material weight while maintaining structural integrity for quality repairs.
Use appropriate respiratory protection and ensure adequate ventilation during application and sanding operations. Follow proper surface preparation protocols for optimal adhesion across all compatible substrates.
Why Pros Choose U-POL UPO
- Super creamy formula
- Smooth easy application
- Ready to sand, prime and paint in 20 minutes
- Multi-functional — excellent adhesion to multiple substrates incl. Galv and Aluminum
- Tack-free finish
- Easy to sand
- Superior feather edge
- Pinhole resistant
Compatibility
Compatible substrates: Aluminum.
Compatible paint systems: Polyester.
Specifications
| Part No. | 0643 |
|---|---|
| Product Line | UPO |
| Manufacturer | U-POL |
| UPC | 0501079611442 |
About U-POL
U-POL delivers pro-grade refinish products including Raptor bed liner, Dolphin glazes, and Power Can aerosols used in shops worldwide.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
Cure & dry schedule
Timing at 77°F
Work time
4 min
Sandable
20 min
Cured
30 min
How to apply
Steps
1Sand to bare metal and clean the repair.
2Mix filler and hardener to one uniform color.
3Spread thin layers within the work time.
4Let set, then block-sand through the grits.
5Prime before applying topcoat.
Specifications
Full data
Frequently asked
Good to know
U-POL UPO is compatible with Aluminum. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for U-POL UPO ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of U-POL products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for U-POL UPO is 0643. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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