How to Use Phos-Kleen A Rust Remover
How to use Rustbuster Phos-Kleen A to strip heavy rust and mill scale back to bare steel safely, plus the difference between Phos-Kleen A and B.
Step-by-step Rustbuster guides from the Irish Rustbuster stockist, grouped by stage of the job. Start at 1 if you’re new to rust repair, or jump straight to the stage you’re at.
All rust articles, newest first ↓

How to use Rustbuster Phos-Kleen A to strip heavy rust and mill scale back to bare steel safely, plus the difference between Phos-Kleen A and B.

Road salt is the biggest cause of rust on Irish cars. Our 6-step pre-winter routine shows you how to wash, treat and wax your car before the gritters come out.

Flash rust turns freshly cleaned steel orange in minutes. Rustbuster Bor-X is a water-soluble inhibitor you add to wash water to stop it and keep metal paint-ready.

Techshield Heat Resistant Clear protects exposed metal without hiding it — a clear, dry, non-tacky wax that resists heat to 200°C, moisture, salt and chemicals.

Lanolin rust proofing comes from sheep’s wool and self-heals to beat salt and moisture. Here’s how it works — and why Corrolan’s three-part system is one of the best.

Searching for Waxoyl? Underbody rustproofing has moved on. An honest guide to modern lanolin-based and heavy-duty waxes, from restorers – and which to use for your car.

Rust remover or rust converter? A remover strips rust to bare metal; a converter turns it into a paintable layer. Here’s when to use each.

What is rust, and why does steel corrode? A plain-English guide to corrosion, galvanic action and the three ways to stop rust for good.

Free safety data sheets (SDS) for all our products, plus a workshop safety checklist and PPE guide for using rust removers, acids and paints safely.

99% of coating failures come down to poor surface preparation. The right order — salt, then grease, then rust — plus the tools, chemicals and standards.

How to use FE-123 rust converter: shake it, prep bare rusty steel, brush it on and let it react to a hard, paintable black surface. No neutralising needed.

Rustbuster Epoxy Mastic replaces the popular EM121 — a two-pack epoxy that grips wire-brushed steel and won’t blister. What it is and how to use it.

Custom 421 is a non-porous, pure epoxy primer that can be left exposed through a restoration without absorbing moisture. What it does and how to use it.

Salt is the hidden cause of paint blisters and rust holes. How to remove salt contamination before painting — with SP10, Chlor-X and three proven methods.

How to seal a rusty fuel tank with Rustbuster Slosh — the ethanol-proof sealer that fixes pinholes and weeping seams in steel, alloy and GRP tanks.
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