Primers

1. Zinc Chromate

1.1. Made of diferent resin types.

1.1.1. Corrosion resistant pigment.

1.1.2. Bright-yellow coloured

1.1.3. Forms a passive layer due to reaction of Zinc Chromate with the materia..

2. Gray Enamel Undercoat

2.1. Single component, variety of topcoats

2.1.1. Fills minor imperfections and adds corrosion resistance.

3. Red Iron Oxide

3.1. Alkyd resin-based coating

3.1.1. Used over iron and steel at mild environment conditions

4. Epoxy

4.1. Is a sinthetyc resin, and produces hard coatings.

4.1.1. Softer than Urethane. Provides good chip resistance.

4.1.2. Needs catalyst.

5. Wash Primers

5.1. Water-thin coatings of phosphoric acid solutions in resin, alcohol and other ingredients.

5.1.1. They passivate the surface, inhibit corrosion and provide an adhesive base for the next coating.

6. Urethane

6.1. Two-part product

6.1.1. Uses a chemical activator

6.1.2. Must be applied smoothly to prevent coat thickness shrinkage.

6.1.2.1. Normally applied after wash primers.