Pro Range Acid Etch Primer - 500ml - Grey
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Product Information
Full details
The Pro Range Acid Etch Primer is an essential tool for automotive technicians, metalworkers, and industrial finishers who require a reliable foundation for paint application. It excels at providing superior adhesion and long-term corrosion resistance on bare metal surfaces, making it an ideal choice for bodywork repairs and fabrication projects. While it offers professional-grade protection, it is important to note that the product requires proper ventilation and respiratory protection during application due to its chemical composition.
All features
| Colour | Grey |
|---|---|
| Model Part Number | PROEP500/3 |
| Brand | Pro Range |
Extended Product Information
FAQs
Can I apply this over old paint?
No, Acid Etch Primer is designed for bare metal surfaces. It should not be applied over existing paint.
Do I need to sand the primer before painting?
While it can be topcoated directly in some cases, a light scuff with fine-grit sandpaper is recommended for the best mechanical bond for the topcoat.
Is this suitable for aluminum?
Yes, it is designed to provide excellent adhesion on both steel and aluminum surfaces.
How long should I wait before applying a topcoat?
Depending on temperature and humidity, the primer is generally ready for topcoating after 30-60 minutes.
Does this product prevent rust?
Yes, the chemical etching process provides a high level of corrosion protection on bare metal.
What type of paint can be used over it?
Most automotive acrylic and synthetic enamels are compatible, but a test patch is recommended if unsure.
Troubleshooting
Spray nozzle is clogging during use
Clear the nozzle by turning the can upside down and spraying for two seconds; if it remains clogged, soak the nozzle in thinners or replace it.
Finish appears rough or dusty
Increase the distance between the can and the surface, and ensure you are working in a lower-humidity environment.
Primer is peeling after drying
This is usually caused by surface contamination; re-sand the area, clean thoroughly with degreaser, and re-apply.
Pros and Cons
Pros
- Excellent bite and adhesion on bare metal
- Provides long-lasting rust and corrosion protection
- Easy-to-use aerosol format requires no spray equipment
- Professional-grade finish consistency
- Ideal for automotive body repair and restoration
Cons
- Requires high levels of ventilation during use
- Not suitable for use over existing old paint layers
- Strong chemical odor during application
- Requires professional PPE for safe handling
Setup, Compatibility & Care
Before application, ensure the workspace is well-ventilated and the ambient temperature is between 15°C and 25°C. Clean the metal surface thoroughly using a wax and grease remover to prevent adhesion failure. Shake the aerosol can vigorously for at least two minutes after the mixing ball begins to rattle to ensure the active ingredients are properly suspended.
Keep the nozzle approximately 20-30cm from the surface during spraying. For optimal protection, apply two thin coats rather than one heavy layer, allowing the first coat to flash off for 5-10 minutes. When finished, invert the can and spray for a few seconds to clear the nozzle, preventing clogs for future use. Store the canister in a cool, dry place away from direct sunlight or ignition sources.