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Anti-Corrosive Primers
Nullifire Primers are designed to protect the surface of the structural steel from corrosive attack and provide a suitable key for the application of Nullifire System S and System E intumescent Basecoats.

Each Nullifire Primer is uniquely formulated to meet specific application conditions. This provides a high performance solution for all application requirements.

• 3 types of primer to meet different application requirements
• Easy to apply by conventional airless spray, roller or brush
• Exceptional performance: 15 years protection for C1, C2 and C3 areas

S-620 HIGH BUILD ZINC PHOSPHATE PRIMER
High build, general purpose, single pack zinc phosphate primer. This ‘inhibitive primer’ chemically reacts with the steelwork to create a corrosion resistant surface.

• Single pack
• Good corrosion resistance
• Fast drying
• Single coat application
• Excellent sag resistance
• Contains anti-corrosion pigment

S-621 SURFACE TOLERANT EPOXY PRIMER
High build, 2-pack epoxy zinc phosphate primer. Excellent adhesion to suitably prepared ferrous substrates and appropriately prepared non-ferrous.

• 2-pack
• Excellent anti-corrosive properties
• High build
• Easy application

S-623 EPOXY BLAST PRIMER
2-pack zinc phosphate, low build, quick drying epoxy blast primer. Excellent adhesion with extended durability.

• Fast cure
• 2-pack
• Excellent anti-corrosive properties
• Easy application
• High coverage

FURTHER INFORMATION AND DOWNLOADS
For further details and download options for Nullifire Primers, please go to: ‘Literature and Data Sheets’