Zinc Phosphate Primer

Product Highlights

For interior and exterior use

High durability primer - ideal in coastal areas

Suitable Surfaces: Metal

Finish: Semi-Matt

Application: Brush, roller or airless spray

Drying time: Touch Dry 2 hours or 12 hours hard dry

Overcoat time: 12 hours or overnight

Estimated Coverage: 13m² per litre

Product Description

Coo-Var Zinc Phosphate Primer is a high performance metal primer for use on metals including aluminium, iron and steel. Suitable for use on combined wood/metal as it will prime both surfaced. Ideal for fire escapes, window frames, metal gates and doors.

As with all paint products please read the technical datasheet before use. If you have any questions or need technical advice we are here to help please call 01482 328053 or email info@coo-var.co.uk.

Zinc Phosphate Primer FAQ's

What is zinc phosphate primer?

Zinc phosphate primer is a type of metal primer that contains zinc phosphate as a key ingredient. It is designed to provide excellent adhesion and corrosion resistance on metal surfaces, making it a popular choice for protecting steel and iron.

Why should I use zinc phosphate primer?

  • Corrosion resistance: Protects metal surfaces from rust and corrosion.
  • Adhesion: Provides a strong bond between the metal surface and the topcoat.
  • Durability: Enhances the longevity of the paint job by providing a stable, protective base.
  • Versatility: Suitable for a variety of metal surfaces, including steel and iron.

How do I apply zinc phosphate primer?

  1. Surface preparation: Clean the metal surface thoroughly to remove rust, grease, oil, and dirt. Use a wire brush, sandpaper, or chemical cleaner if necessary.
  2. Rust removal: Remove any loose rust or paint with a wire brush or sandpaper.
  3. Application: Stir the primer well and apply it evenly with a brush, roller, or sprayer.
  4. Drying: Allow the primer to dry according to the manufacturer's instructions, usually within a few hours.

How long does zinc phosphate primer take to dry?

Touch Dry 2 Hours, Hard Dry 12 Hours and Full Hardness 5 - 7 Days.

Can zinc phosphate primer be used on all types of metal?

Zinc phosphate primer is suitable for most ferrous metals, such as steel and iron. However, it may not be the best choice for non-ferrous metals like aluminum or galvanized steel (unless T Washed with a Mordant Solution)

How many coats of zinc phosphate primer should I apply?

For most applications, one coat of zinc phosphate primer is recommended.

Is zinc phosphate primer suitable for indoor and outdoor use?

Yes, zinc phosphate primer is suitable for both indoor and outdoor use. It provides excellent protection against environmental factors that cause rust and corrosion.

Can I paint over zinc phosphate primer with any type of paint?

Zinc phosphate primer is compatible with most types of paint, including water based and oil-based paints.

What are the benefits of using zinc phosphate primer?

  • Corrosion protection: Prevents rust and corrosion, extending the life of metal surfaces.
  • Improved adhesion: Creates a strong base for topcoats, reducing the risk of peeling and flaking.
  • Durable finish: Enhances the longevity and durability of the paint job.
  • Versatility: Suitable for a wide range of metal surfaces and applications.

Can zinc phosphate primer be used on previously painted metal surfaces?

Yes, zinc phosphate primer can be used on previously painted metal surfaces, provided they are properly prepared. Remove any loose or flaking paint, clean the surface thoroughly, and sand it lightly to create a suitable texture for the primer to adhere to.


Standard delivery 48 to 72 hours (business hours). Prices are excluding VAT.

Zone Free Delivery on Orders Over Standard Delivery Charge
Zone 1 - UK Mainland £150 £7.00
Zone 2 - Highlands & Islands/Isle of Man/Isles of Scilly/Isle of Wight £350 £30.00
Channel Isles & Ireland - Contact 01482 328053    

*Please note that these prices only apply for UK Mainland and the Islands above.

If in doubt please call 01482 328052 or email info@coo-var.co.uk‚Äč

Comes in these colours: *

  • Grey

* Please note that due to variations in monitor settings, the colours displayed here are for illustration purposes only.

For more accurate colour representation please request a colour card to be posted to you.


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