Novol Spectral UNDER 395 Epoxy Primer - Grey
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Product Information
Full details
The Novol Spectral UNDER 395 Epoxy Primer is an essential solution for automotive enthusiasts and professional body shop technicians seeking a reliable, high-performance base layer for metal surfaces. It offers superior corrosion resistance and exceptional adhesion, ensuring that topcoats bond effectively and maintain their finish over time; however, users should note that as an epoxy primer, it requires precise mixing and adequate ventilation during application to achieve optimal results.
All features
| Colour | Grey |
|---|---|
| Model Part Number | N87290 |
| Brand | Novol |
Extended Product Information
FAQs
Can I apply this primer directly over existing paint?
While it adheres best to bare metal, it can be applied over properly sanded and cleaned factory finishes, though bare metal is recommended for best corrosion protection.
Is this primer waterproof?
Yes, once fully cured, it forms a moisture-resistant barrier that protects the underlying metal from rust.
What is the recommended drying time?
Drying times vary based on temperature and humidity, but it generally requires several hours to touch dry and should be left overnight before topcoating.
Do I need to sand the primer before painting?
If you are working within the recommended overcoat window, sanding may not be required, but light scuffing is often recommended for the best mechanical bond for the topcoat.
Can this be used on plastic parts?
This product is specifically designed for metal surfaces. Using it on flexible plastics may result in cracking; check for a dedicated plastic primer instead.
Troubleshooting
Primer is not drying properly
Verify that the mixing ratio was accurate and ensure the ambient temperature is within the recommended operating range.
Surface adhesion is poor
Ensure the substrate was properly degreased and sanded; any lingering oils or dust will prevent proper bonding.
Spray nozzle clogging
Clean the spray gun immediately after use with appropriate thinner to prevent the epoxy from hardening inside the components.
Pros and Cons
Pros
- Excellent rust and corrosion prevention
- Strong bonding properties on metal substrates
- Consistent, professional-grade finish
- Effective color base for various topcoats
Cons
- Requires careful measurement and mixing
- Requires well-ventilated workspace
- Longer curing times compared to basic primers
Setup, Compatibility & Care
To prepare the primer, ensure the metal surface is degreased and sanded with appropriate grit sandpaper (typically P180-P240). Mix the primer according to the specified ratios provided by the manufacturer to ensure full polymerization. Use standard automotive spray equipment for application. Always wear appropriate personal protective equipment (PPE), including a respirator, gloves, and eye protection, due to the chemical nature of the product. Store the remaining primer in a cool, dry place, ensuring the lid is tightly sealed to prevent premature curing from atmospheric moisture.