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  • Metal & Primer System
  • Primer
  • Bastion Industrial

Bastion Two-Pack Acid Etch Primer

5.0 from 2 customer reviews

£58.00

inc. VAT

SKU: bastion-two-pack-acid-etch-primer

[IMAGE-LOCKED] Purpose-built two-pack etch primer for aluminium — bare ferrous steel needs the zinc phosphate or 1K etch primer instead. Coverage: 8 m²/L per coat (approx., two-pack mixed yield).

Key specs at a glance

Substrate
metal (non-ferrous/aluminium)
Colour system
fixed-colour-range
Role
Primer

Free UK delivery over £60 · Free 30-day returns

Quantity
1

Order by 2pm — estimated delivery Fri 18 Sept

Not sure it's the right one for your job? Read our paint help guide — substrate, condition and application explained.

About this product

[IMAGE-LOCKED] Purpose-built two-pack etch primer for aluminium — bare ferrous steel needs the zinc phosphate or 1K etch primer instead.

Technical specification

Role
Primer
Substrate
metal (non-ferrous/aluminium)
Colour system
fixed-colour-range
Category
Metal & Primer System
Brand
Bastion Industrial
Application method
spray
Pack sizes
5L

Where this fits in the prep sequence

  • Bare or corroded substrateRequired before a topcoat
  • Sound, previously painted surfaceOptional — improves adhesion
  • Used as a standalone finishNot designed for this

Is the Bastion Two-Pack Acid Etch Primer right for your job?

The Bastion Two-Pack Acid Etch Primer is a primer built for metal (non-ferrous/aluminium).

This product suits you if

  • You're painting metal (non-ferrous/aluminium)
  • The substrate is bare, new, or showing corrosion

Check before you buy if

  • You want a one-coat primer+finish — a 3-in-1 product will be faster
Full prep guide — get the sequence right →

Application — how does it go on?

Role
Primer
Application method
spray

Check the pack for the recommended application method.

— The Paint Guys prep note, based on 2 customer reviews

Customer reviews

5.0 / 5 from 2 verified purchases
Filter:

  • Primed bare steel with the Bastion Two-Pack Acid Etch Primer before topcoating — zero flash rust even after a rainy week on site.

    Sofia L.

    Verified purchase · 5 Sept 2026

  • The Bastion Two-Pack Acid Etch Primer went straight onto ally without lifting. Adhesion has been solid a year on.

    Jack R.

    Verified purchase · 27 Aug 2026

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