Teamac Quick Dry Zinc Phosphate Primer - Grey

Teamac Zinc Rich Primer P219 contains a very high concentration of metallic zinc and allows conduc...

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The Paint ShedTeamac 219 Grey Quick Dry Zinc Phosphate Primer P219 Ready Mixed
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Product Information

Full details

Teamac Zinc Rich Primer P219 is an essential coating for metalworkers and contractors looking to protect iron and steel surfaces from corrosion. Featuring a high concentration of metallic zinc, it provides sacrificial cathodic protection, effectively acting as a form of cold galvanising to extend the lifespan of metal assets. A key caveat for users is that the primer must be applied in direct, intimate contact with the bare metal substrate to function properly, meaning it cannot be applied over old paint or rusted surfaces without thorough surface preparation.

All features

ColourGrey
Model Part Number515/P219/224/F
BrandTeamac

Extended Product Information

FAQs

Can I apply this primer over existing paint?

No. For the primer to provide cathodic protection, it must have direct electrical contact with the iron or steel substrate.

Does this replace hot-dip galvanising?

It serves as a form of cold galvanising, which is excellent for repairs, but it may not match the long-term industrial life of a factory-applied hot-dip process.

Is this primer conductive?

Yes, the high metallic zinc content ensures the dried film remains conductive.

Can I use this on aluminium?

This product is specifically designed for iron and steel. It is not recommended for aluminium or non-ferrous metals.

What is the recommended surface preparation?

The surface must be clean, dry, and free of any rust, scale, grease, or contaminants. Ideally, blast-clean or wire-brush to a bright metal finish.

Troubleshooting

Poor adhesion to the metal surface

Ensure the surface was completely cleaned of oils and loose contaminants prior to application.

Rust appearing shortly after application

This often occurs if the primer was applied over old rust or paint; re-strip the area to bare metal and re-apply.

Pros and Cons

Pros

  • Excellent long-term corrosion resistance for steel and iron
  • Acts as an effective cold galvanising agent for on-site repairs
  • Provides reliable cathodic sacrificial protection
  • Maintains electrical conductivity within the dried film

Cons

  • Requires direct contact with bare metal to work correctly
  • Cannot be used over existing paint or heavy oxidation
  • Requires professional surface preparation (sanding/blasting)

Setup, Compatibility & Care

  1. Surface Preparation: The substrate must be free of mill scale and rust. Use abrasive blasting or wire brushing to ensure bright metal is exposed.
  2. Application: Apply via brush, roller, or spray. Ensure an even coat, as the thickness of the film directly correlates to the level of cathodic protection provided.
  3. Safety: Always work in a well-ventilated area and wear appropriate PPE, including gloves and a respirator, to avoid inhalation of solvents or zinc dust.
  4. Compatibility: While this primer is designed to be a base layer, check that your chosen topcoat is compatible with zinc-rich primers to ensure long-term adhesion.

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