U-Pol Primer Kit - Grey
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eBayU-Pol S2025+S2031 5 Litre Grey Primer Extra Fast Hardener +Duren 1.8mm Spraygun
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£63.86
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U-Pol S2025+S2030 5 Litre GREY Primer Extra Fast Hardener +Duren 1.8mm SpraygunFree delivery in 1–3 days£63.86Visit shop →
U-Pol S2025+S2031 5 Litre Grey Primer Extra Fast Hardener +Duren 1.8mm SpraygunFree delivery in 1–3 days£63.86Visit shop →
OnBuy.comU-Pol S2025+S2031 5 Litre Primer Extra Fast Hardener +Duren 1.8Mm Spraygun Grey 5010796105082
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£69.78
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Product Information
Full details
The U-Pol Primer Kit in grey is designed for automotive technicians and DIY enthusiasts who require a professional-grade foundation for paint applications. This comprehensive set provides excellent surface adhesion and build properties, ensuring a smooth base for topcoats. While the inclusion of an extra-fast hardener makes it highly efficient for quick turnarounds, users should note that this requires careful monitoring of application timing due to the accelerated drying rate.
All features
| Colour | Grey |
|---|---|
| Model Part Number | S2025/4KIT/GUN |
| Brand | U-Pol |
Extended Product Information
FAQs
What is the recommended mixing ratio?
Please refer to the technical data sheet provided on the product packaging for the specific mixing ratio, as improper ratios will affect cure times.
Can I use this primer on plastic bumpers?
This primer is intended for metal bodywork; for plastics, ensure you use a dedicated plastic adhesion promoter first.
What size air compressor do I need?
A compressor capable of maintaining at least 2-3 CFM at 30-40 PSI is recommended for consistent performance with the 1.8mm spray gun.
How long should I wait before sanding?
Due to the extra fast hardener, the primer is typically ready for sanding in a shorter timeframe than standard primers, but check the surface for full hardness first.
Is the spray gun compatible with other brands of paint?
Yes, the Duren spray gun is a standard gravity-fed tool and can be used with most automotive paints and primers that are appropriately thinned.
Troubleshooting
Spluttering spray pattern
Check the fluid nozzle tightness and ensure the air vents on the gravity cup cap are not clogged.
Primer drying too quickly in the gun
Reduce the batch size mixed and ensure the gun is kept out of direct sunlight or heat sources.
Poor adhesion
Re-evaluate the surface preparation; ensure the substrate is sanded with the correct grit and thoroughly cleaned with a wax and grease remover.
Pros and Cons
Pros
- Complete all-in-one kit including application equipment
- Extra fast hardener increases shop throughput
- Large volume capacity suitable for multiple panels
- High-quality atomization with the provided 1.8mm nozzle
- Reliable primer-surfacer performance
Cons
- Fast cure time leaves little margin for error in warm climates
- Requires professional-grade air compressor equipment
- Not suitable for extremely large full-vehicle resprays due to fast dry time
Setup, Compatibility & Care
To set up the kit, mix the primer and hardener according to the manufacturer's specified ratio. Ensure your air compressor is equipped with a water-oil separator to prevent contamination of the primer. The Duren spray gun should be cleaned immediately after every use with an appropriate solvent to prevent the primer from curing inside the fluid passages. To maintain the equipment, periodically lubricate the needle and air valve O-rings. Store the remaining primer and hardener in a cool, dry place, ensuring lids are sealed tightly to prevent moisture contamination or premature thickening.