Trusted and praised by customers ★★★★★
Need Help? support@tradesuppliesuk.co.uk

5% OFF all products

TSU5OFF
  • Free Next-Day Delivery

  • Best Price Promise

  • Five-Star Rated ★★★★★

  • FREE AND FAST TECHNICAL ADVICE

Quality Image 1
Quality Image 2
Quality Image 3
Quality Image 4

Extreme Paints Metal Oxide Primer Paint 22.0 kg

Manufactured by Extreme Paints

Why Choose Our Products?

Icon

Industrial solvent‑based metal primer with anti‑corrosive pigments

Icon

Blocks rust resists moisture and corrosion

Icon

Brush roll or spray apply for easy use

Icon

Semi‑shine grey or red metal oxide primer finish

Icon

Touch‑dry 6–8 h recoat same day for fast project turnaround

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Extreme Paints Metal Oxide Primer is a long‑oil alkyd coating loaded with anti‑corrosive metal oxide pigments that penetrate and seal bare steel, aluminium, cast iron, and hardwood timber, forming an active barrier against rust and corrosion. The durable semi‑shine film promotes maximum adhesion for subsequent solvent‑borne enamels, machinery paints, and polyurethane topcoats, making it the preferred metal primer undercoat for fabricators, skip builders, and DIY restorations.

Formulated for high solids and excellent flow, the primer can be brushed, rolled, or sprayed (HVLP or airless) straight from the tin; thin up to 15 % with white spirit only when necessary for atomisation. Once cured, it remains slightly flexible to withstand metal expansion while offering easy sandability where a super‑smooth finish is required.

Manufactured in the UK under ISO 9001 quality systems and available in Grey or Red oxide primer colours, the primer comes in 5 L, 10 L, and 20 L tins to suit small touch‑ups or full production runs.

Suitable Substrates

Mild steel, cast iron, galvanised steel (after etch), aluminium, hardwood timber, plywood, prepared concrete, masonry. Not suitable for plastic.

Colours Available

Grey • Red (Custom BS 4800 / RAL on 100 L+ orders.)

Spreading Rate (Coverage)

6 – 8 m² / L / coat on smooth steel surfaces.

Drying Time

Touch‑dry 6 – 8 h @ 18 °C. Recoat 6 – 8 h. Handle 24 h. Full cure 7 days.

Storage & Clean‑up

Store sealed 5 – 30 °C away from flame. Clean tools with white spirit solvent before paint sets.

Batch & Delivery

Order total quantity in one go for consistent metal primer colour. In peak demand, tins may be plain white with correct labels; performance identical.

Safety Disclaimer

Flammable solvent‑based metal primer paint. Use in well‑ventilated area, keep away from sparks, wear gloves and suitable respirator. Dispose of waste responsibly. Keep from children. See SDS.

 

  • Surface Preparation: Degrease, power‑brush rust, remove flaking coatings. Ensure surface is dry and dust‑free for optimum metal primer adhesion.
  • Mixing: Stir with paddle mixer 2 min, scraping tin bottom and sides.
  • Application: Brush, roller or spray. Apply one thin, even coat (≈ 50 µm DFT). Avoid runs; multiple light passes are better than one heavy coat.
  • Dry & Recoat: Allow 6–8 h at 18 °C before applying compatible solvent topcoats. Sand lightly if over 48 h passes.
  • Curing: Reach full anti‑corrosion metal protection after 7 days. Protect from rain for first 24 h.

For further data, email support@tradesuppliesul.co.uk or call 07929 525648.

PropertyValue
Components1-part single pack
BaseLong-oil alkyd resin (solvent-based)
FinishSemi-shine metal oxide finish
Recommended coats1 (build up where severe exposure)
Wet film thickness100 µm (≈ 50 µm DFT)
Coverage6 – 8 m² / L / coat
Touch dry6 – 8 h @ 18 °C
Recoat window6 – 8 h @ 18 °C
Full cure7 days
PropertyValue
Application toolsBrush, roller, HVLP, airless sprayer
Clean-upWhite spirit / standard thinner
Shelf life24 months unopened
Pack sizes5 L, 10 L, 20 L
Colour optionsGrey, Red
Interior / exteriorBoth
Suitable substratesSteel, wood, concrete, masonry
VOC< 450 g /L
Primer requiredActs as anti-corrosive metal primer – topcoat with compatible solvent paints
COVERAGE CALCULATOR
MEASURE YOUR DIMENSIONS

Frequently Asked Questions

Why choose a metal oxide primer instead of a standard metal primer?
Metal oxide pigments provide active corrosion inhibition and a tough micaceous structure that blocks moisture, outperforming basic red-lead-free primers.
Can I topcoat metal oxide primer with water-based paint?
For best adhesion and longevity, use solvent-based or 2K topcoats. Water-based coatings can be applied after a 7-day cure and a light adhesion test.
Do I need to remove all rust before applying this metal primer?
Loose rust must be removed; tight, sound rust can remain and will be encapsulated by the primer’s anti-corrosive pigments.
How much thinner should I add for spraying metal oxide primer?
Start at 5 % white spirit; increase up to 15 % only if the gun struggles to atomise. Excess thinning reduces film build and rust protection performance.
Can this metal oxide primer be used under epoxy or polyurethane paint?
Yes—after a full overnight dry, both systems adhere well. Always test adhesion on a small patch first.
What nozzle tip size is recommended for airless spraying metal primer?
Use a 0.017–0.021″ tip at 2,000–2,500 psi, keeping the gun 10–15 cm from the surface.
Is the metal oxide primer finish smooth enough to use as a standalone coating?
The semi-shine film can act as a protective finish on structural steel but will chalk slowly outdoors—topcoat for colour retention and extended corrosion resistance.
Will this metal oxide primer adhere to galvanised metal?
Etch prime or abrade galvanised steel first; direct adhesion is limited.
How soon after priming can I weld steel?
Remove primer from weld areas; the coating will burn and produce fumes if welded through.
Does temperature affect drying times of the metal primer?
Below 10 °C, solvent evaporation slows—extend recoat time to 12 h. Above 25 °C, work in shade to reduce flash-off.
Is this metal oxide primer safe for marine splash zones?
It offers good salt-spray resistance but should be overcoated with a marine-grade paint system for continuous immersion.
Can I tint the grey metal oxide primer to match my topcoat colour?
Minor adjustments with universal alkyd tint pastes are possible; large colour changes should be factory-tinted.
What is the shelf life of metal oxide primer once opened?
Reseal tightly and use within 6 months; skin formation can occur if airspace is large.
Will this primer raise the wood grain on timber surfaces?
Solvent penetrates hardwood without swelling fibres, leaving a smooth base for enamel or polyurethane paints.
How do I dispose of leftover metal oxide primer?
Never pour down drains. Contact your local hazardous-waste facility or allow residue to cure in the tin, then dispose as controlled waste.

Select Variant and Order

Regular price £94.99 (inc VAT)
Tax included Shipping calculated at checkout.
Our Experts Recommended

Express Delivery Available!

Size
Colour

FAST NEXT DAY DELIVERY OPTION
AVAILABLE FOR THIS ITEM.
*subject to stock levels at the time of your order.