Metal-range : Sealer-primer-undercoat-others

Nippon Zinc Chromate Primer is an alkyd-based rust inhibitive primer for priming on iron and steel.

Stain Blocker is General Finishes' revolutionary water-based stain-blocking primer for interior projects. Use on pieces that you are concerned about bleed-through.

General Finishes Stain Blocker Quart Primer

Eastwood Black Epoxy Primer Sealer, Direct to Metal Fast Action Drying & Easy to Sand, Suitable for Steel Fiberglass Aluminum, Ideal for Automotive Car Paint

The Key Differences between Sealer, Undercoat, and Primer!

Montana PRIMER 400ml - Universal

Wood-range : Sealer-primer-undercoat-others

Best Water-Based Undercoat Paint - Decorator's forum UK

Montana PRIMER 400ml - Universal

Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray - Spray Paints

WRX acrylic primer undercoat review - Decorator's forum UK

When To Use a Primer or Undercoat