Adhesion Primer for GI, Aluminium, Stainless Steel & Smooth Metal Surfaces
ALTIC ETCH PRIMER is a specialized adhesion primer designed for suitable metal surfaces where conventional primers may have difficulty achieving reliable adhesion. It is particularly useful as a preparatory coating for GI, galvanized steel, stainless steel, aluminium and other smooth or difficult-to-coat metal substrates.
The primer helps create a suitable foundation for subsequent protective coating layers, supporting improved adhesion and coating-system performance.
Key Features & Benefits
- Specialized primer for difficult-to-coat metal surfaces
- Helps improve coating adhesion on smooth metal substrates
- Suitable for selected GI and galvanized surfaces
- Useful for aluminium and stainless steel applications
- Supports subsequent primer, basecoat or topcoat application
- Helps provide a uniform foundation for the coating system
- Suitable for industrial maintenance and fabrication work
- Useful for new construction and refurbishment applications
Recommended Applications
ALTIC Etch Primer can be considered for suitable applications involving:
- GI sheets and structures
- Galvanized steel
- Aluminium surfaces
- Stainless steel
- Smooth metal substrates
- Pre-coated metal surfaces, where compatible
- Industrial fabricated components
- Metal equipment and assemblies
- Industrial maintenance and refurbishment
Always confirm substrate compatibility before full-scale application.
Why Use an Etch Primer?
Some metal surfaces have a smooth, dense or relatively low-porosity surface that can make coating adhesion more challenging.
An etch primer is designed to improve the coating interface on suitable substrates, helping subsequent coating layers establish a more reliable bond.
For this reason, ALTIC Etch Primer can be incorporated into coating systems where adhesion to GI, aluminium, stainless steel or other difficult substrates is an important consideration.
Surface Preparation
Proper cleaning and preparation are essential before applying the primer.
Preparation Procedure
- Remove dirt, dust and loose contaminants.
- Thoroughly remove oil, grease and other surface contamination.
- Remove loose corrosion products or poorly bonded existing coatings.
- Lightly abrade smooth surfaces where required by the coating specification.
- Remove all sanding dust and residues.
- Ensure the substrate is clean and suitable for priming.
- Apply ALTIC Etch Primer according to the latest product instructions.
For galvanized and pre-coated surfaces, the existing surface condition should be checked carefully before application.
Application Method
ALTIC Etch Primer should be mixed and applied according to the latest Technical Data Sheet.
Depending on the product formulation and project requirements, application may be carried out using:
- Brush
- Roller
- Spray
Apply a uniform coat over the properly prepared substrate. Avoid excessive film build-up.
After the required drying or curing period, apply the compatible intermediate or topcoat specified for the complete coating system.
Typical Coating System
Surface Preparation → ALTIC Etch Primer → Compatible Base/Intermediate Coat → Protective Topcoat
The exact coating sequence should be selected according to the substrate, environmental exposure and final coating requirements.
Suitable Industrial Applications
ALTIC Etch Primer can be useful where industrial coating systems need to be applied to metal substrates that require enhanced adhesion preparation.
Potential applications include:
- Industrial sheds
- GI and galvanized structures
- Aluminium components
- Stainless steel equipment
- Metal fabrication
- Industrial machinery
- Metal panels
- Maintenance and refurbishment projects
Important Application Considerations
Before application, verify:
- Substrate compatibility
- Existing coating compatibility
- Required surface preparation
- Recommended film thickness
- Mixing requirements
- Thinner requirements
- Drying time
- Recoat interval
- Compatible intermediate and topcoat
- Environmental application conditions
For pre-painted or previously coated surfaces, conduct a small adhesion and compatibility test before proceeding with the complete application.
Safety & Handling
Use appropriate personal protective equipment during surface preparation and application. Ensure adequate ventilation and follow the product label and Safety Data Sheet (SDS) for handling, storage and disposal requirements.
Avoid applying the primer over contaminated, wet, loose or poorly bonded surfaces.
Why Choose ALTIC Etch Primer?
ALTIC Etch Primer provides a specialized preparation layer for GI, galvanized steel, aluminium, stainless steel and other suitable difficult-to-coat metal surfaces. It can help establish a suitable foundation for subsequent protective coating layers where reliable adhesion is required.
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