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Nason Industrial All Purpose Etch Primer is a single-pack epoxy PVB etch primer designed for direct application to a wide range of metal substrates. It provides excellent adhesion, fast dry times, and flexible performance across both ferrous and non-ferrous surfaces. This primer can be used as wet-on-wet or with intermediate sanding and serves as a cost-effective foundation for high-performance topcoat systems.
Metal fabrications
Construction, mining, and agricultural equipment
Industrial plant machinery
Internal architectural steelwork
Suitable substrates include mild steel, stainless steel, galvanised steel, zinc plated steel, Zincanneal®, Zincalume®, Colorbond®, aluminium, chrome, brass, copper, and lead alloys
Not recommended for immersion service or over thermoplastic paintwork.
Surface Preparation:
Degrease thoroughly using an approved wax and grease remover.
For aluminium, final clean with AXT350 Axalta Multi Acrylic Thinner.
Sand using P120 grit paper to ensure mechanical adhesion.
Mixing & Thinning:
Mix thoroughly before use.
Add up to 15% by volume of AXT350 Axalta Multi Acrylic Thinner or 861-62 Nason Industrial Epoxy Reducer.
Filter material prior to application.
Spray Gun Setup:
Conventional: 1.6–1.8 mm nozzle at 45–60 psi (3.5–4.5 bar)
Airless: 1.3–1.5 mm tip at minimum 1500 psi
Apply 2 coats, allowing 10–15 minutes flash-off between coats.
Drying Times (20°C / 50% RH):
Touch dry: 30 minutes
Sand dry: 60 minutes
Full cure: 90 minutes
Recoat window: from 15–30 minutes (eggshell gloss) up to 24 hours. Sand after 24 hours if recoating.
Coverage:
8–10 m² per litre at 15–20 μm dry film thickness
Clean Up:
Clean equipment immediately after use with AXT350 Axalta Multi Acrylic Thinner or 861-62 Nason Industrial Epoxy Reducer.
Topcoat With:
Nason Industrial 1K QD Enamels (NI640/650)
Nason Industrial Silver Enamel (303-30)
Nason 2K PU Topcoats (NI610/620)
Do not recoat with polyester or epoxy primers.
Heat Resistance: Up to 65°C dry heat
Exterior Exposure (when topcoated): Very good
Chemical Resistance: Good against acids, alkalis, oil, and petrol
Water Resistance (when topcoated): Good
