ALKA product reference

ALKA 403

Red Oxide Anti-Corrosive Primer

Industrial Red Oxide Anti-Corrosive Primer is a fast-curing solvent-based metal primer formulated with corrosion-inhibiting pigments for the protection of ferrous substrates. The coating is engineered to provide dependable adhesion, surface sealing, and economical corrosion protection for fabricated steel structures and general industrial applications.

Pack size: 10L Kit

Overview

Usage

Structural steel and fabricated metalwork
Industrial machinery and plant equipment
Maintenance and refurbishment projects
General steel protection systems
Interior and exterior steel surfaces
Workshop and light industrial environments

Advantages

Excellent adhesion to steel substrates,
Good anti-corrosive performance,
Fast drying characteristics,
Easy application by spray or brush,
Available in bulk quantities.

Packaging

4 Litre, 20 Litre.

Colour

Red Oxide / Matt Finish.

Product Details

Shelf life: 12 months

Storage conditions

Store in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition.

Recommended storage temperature: 5°C – 35°C.

Property	Value
Dangerous Goods Classification	Class 3
UN Number	1263
Packing Group	III
Flash Point	Approx. 20°C

Application

Layer thickness
Recommended coating thickness is approximately 35 microns per coat

Dry Time
approximately 20 minutes

Recoat time (at 25 C)
Re-coatable: 12 hours

Consumption
Approximately 12 SQM per Litre

APPLICATION INSTRUCTIONS

Surface Preparation

All surfaces must be clean, dry, and free from oil, grease, dust, rust, and other contaminants. Abrasive blasting to Sa 2 or Sa 2.5 is recommended where possible.

Recommended Application Methods

Temperature: 10°C – 40°C
Relative Humidity: Below 85%

Airless Spray	Up to 30 mL per litre
Conventional Spray	Up to 125 mL per litre

CLEANING OF EQUIPMENT
Xylene can be used for cleaning tools and equipment before the mixed compound begins to harden. Once cured, it can only be removed mechanically.