ALTIC SI PRIMER (ABOVE 200°C) is a specialized primer designed as part of the ALTIC SI Coating System for metal surfaces exposed to elevated operating temperatures.
The primer provides the foundation for the subsequent ALTIC SI Basecoat and ALTIC SI Topcoat, helping prepare and protect the substrate before the thermal insulation and protective layers are applied.
The ALTIC SI coating system is designed for applications where thermal insulation, oxidation protection and long-term protection of metal surfaces are required. The primer is particularly important in establishing a suitable coating foundation for high-temperature industrial applications.
Key Features & Benefits
- Specialized primer for the ALTIC SI high-temperature coating system
- Designed for suitable metal substrates
- Helps establish a stable base for subsequent SI coating layers
- Supports protection against surface oxidation
- Suitable for elevated-temperature industrial applications
- Designed to work as part of a multi-layer coating system
- Water-based coating-system component
- Suitable for online coating applications where system conditions permit
- Helps prepare the substrate for thermal insulation protection
- Designed for industrial maintenance and high-temperature assets
ALTIC SI Coating System
ALTIC SI PRIMER is the first layer of the three-coat ALTIC SI system:
1. ALTIC SI PRIMER
Foundation layer designed to seal surface porosity and provide initial protection against oxidation.
2. ALTIC SI BASECOAT
Thermal insulation layer designed to reduce heat transfer from the metal surface.
3. ALTIC SI TOPCOAT
Protective finishing layer designed to provide weather and environmental protection.
This layered approach allows the coating system to address oxidation, heat transfer and environmental exposure within one integrated system.
Typical Applications
ALTIC SI PRIMER may be suitable for metal surfaces associated with:
- Hot pipelines
- Steam pipelines
- Industrial ducts
- Process equipment
- Fire walls
- Industrial metal structures
- Stainless steel
- Carbon steel
- Low-alloy steel
- High-temperature equipment
- Industrial thermal insulation systems
Actual substrate suitability should be confirmed before application.
Surface Preparation
Proper surface preparation is essential for the performance of the ALTIC SI coating system.
Before application:
- Remove oil, grease, dirt and other contaminants.
- Remove loose rust, scale and poorly adhered material.
- Ensure the substrate is suitably clean and dry.
- Prepare the metal surface according to the applicable project requirements.
- Ensure the surface is free from contamination before applying the primer.
The primer should not be applied over loose or unstable existing coatings unless compatibility has been established.
Application Method
ALTIC SI PRIMER should be applied according to the latest ALTIC technical instructions.
A general application sequence is:
- Thoroughly clean and prepare the metal substrate.
- Mechanically stir the primer at low speed until homogeneous.
- Do not dilute unless specifically permitted by the latest TDS.
- Apply the primer uniformly using the recommended spray equipment.
- Allow the primer to cure for the specified period.
- Apply ALTIC SI BASECOAT after the primer has reached the required condition.
- Complete the system with ALTIC SI TOPCOAT where specified.
For applications involving elevated operating temperatures, the curing procedure should be followed carefully before the equipment is returned to service.
Primer Function
The primer plays an important role within the ALTIC SI system by creating a suitable interface between the prepared metal surface and the subsequent thermal insulation coating.
It is designed to help:
- Seal surface porosity
- Reduce oxidation exposure
- Establish a suitable coating foundation
- Improve system integrity
- Prepare the substrate for the SI thermal insulation layer
The primer should be used together with the compatible ALTIC SI coating components where a complete system is required.
Online / In-Service Application
One of the key characteristics of the ALTIC SI coating system is its suitability for certain online industrial applications, potentially reducing the need for equipment shutdown.
However, online application depends on actual surface temperature, accessibility, safety conditions and project requirements. The equipment and substrate must be evaluated before application.
Always follow the approved ALTIC application procedure for coating hot operating equipment.
Temperature Considerations
ALTIC SI PRIMER is intended for applications involving elevated-temperature metal surfaces. The complete ALTIC SI system has defined operating-temperature limitations, and the actual maximum service temperature must be confirmed from the latest technical documentation.
The reference ALTIC SI system information indicates:
- Primer temperature resistance: up to approximately 400°C
- Complete SI system maximum use temperature: approximately 250°C
These values should not be interpreted as the standalone service temperature of the complete system. System selection must consider the operating temperature of the substrate and the requirements of the complete coating specification.
Recommended Coating System
For applications requiring the complete ALTIC SI system:
Prepared Metal Surface
↓
ALTIC SI PRIMER
↓
ALTIC SI BASECOAT
↓
ALTIC SI TOPCOAT
↓
Completed Thermal Insulation & Protective System
The required thickness and number of coats should be determined according to the project’s temperature-reduction requirement and the latest ALTIC TDS.
Safety & Handling
Use appropriate PPE during surface preparation and application.
Ensure suitable ventilation and follow industrial safety procedures, particularly when working around hot equipment. Personnel should not work on operating equipment unless the application has been specifically assessed and approved for safe online application.
Refer to the latest SDS for detailed information on handling, storage, first aid, disposal and other safety requirements.
Storage
Keep ALTIC SI PRIMER in its original sealed container and store it in a suitable, cool and dry location. Protect the product from contamination, extreme conditions and direct sunlight.
Refer to the latest TDS/SDS for exact shelf-life and storage requirements.
Why Choose ALTIC SI PRIMER?
ALTIC SI PRIMER (ABOVE 200°C) provides the foundation layer for the ALTIC SI thermal insulation coating system. It is designed for suitable metal surfaces in elevated-temperature industrial environments and works together with the SI Basecoat and Topcoat to create a multi-layer thermal protection system.
For best performance, use the primer as part of the compatible ALTIC SI system and follow the specified surface preparation, application and curing procedure.
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