ALTIC SI PRIMER (BELOW 200°C) is a specialized primer designed for suitable metal surfaces operating at temperatures below 200°C. It forms the foundation of the ALTIC SI Coating System, preparing the substrate for the subsequent thermal insulation and protective coating layers.
The primer is intended to help establish a suitable interface between the prepared metal surface and the ALTIC SI Basecoat. It supports protection against surface oxidation while contributing to the overall performance and durability of the complete coating system.
ALTIC SI PRIMER (BELOW 200°C) should be selected according to the actual operating temperature, substrate condition and requirements of the complete ALTIC SI coating system.
Key Features & Benefits
- Specialized primer for lower-temperature SI coating applications
- Designed for suitable metal substrates
- Suitable for operating conditions below 200°C
- Forms the foundation of the ALTIC SI coating system
- Helps seal and prepare the substrate
- Supports protection against surface oxidation
- Provides a suitable base for ALTIC SI Basecoat
- Designed for industrial thermal insulation coating systems
- Suitable for maintenance and new industrial coating applications
- Can be incorporated into a multi-layer thermal protection system
ALTIC SI Coating System
ALTIC SI PRIMER (BELOW 200°C) forms the primer layer of the ALTIC SI system.
A typical system consists of:
1. ALTIC SI PRIMER
Provides the foundation and initial substrate protection.
2. ALTIC SI BASECOAT
Provides the primary thermal insulation layer and helps reduce heat transfer.
3. ALTIC SI TOPCOAT
Provides additional protection against weather and environmental exposure.
Together, these layers are designed to provide a combined thermal insulation, oxidation protection and protective coating system for suitable industrial metal surfaces.
Typical Applications
ALTIC SI PRIMER (BELOW 200°C) may be considered for suitable applications involving:
- Hot pipelines
- Steam and process pipelines
- Industrial ducts
- Process equipment
- Industrial vessels
- Carbon steel surfaces
- Stainless steel surfaces
- Low-alloy steel
- Industrial metal structures
- Thermal insulation coating systems
- Equipment operating below 200°C
Final suitability should be confirmed according to the substrate, operating conditions and complete coating-system specification.
Surface Preparation
Correct surface preparation is essential for achieving good coating adhesion and long-term system performance.
Before applying ALTIC SI PRIMER:
- Remove oil, grease, dirt and other surface contaminants.
- Remove loose rust, scale and poorly adhered material.
- Remove unstable existing coatings where necessary.
- Ensure the substrate is suitably clean.
- Ensure the surface is dry and suitable for coating.
- Follow the required surface-preparation standard for the project.
The primer should not be applied over loose, contaminated or unstable surfaces.
Application Method
ALTIC SI PRIMER (BELOW 200°C) should be applied according to the latest ALTIC technical instructions.
General Application Procedure
- Prepare the metal substrate thoroughly.
- Mechanically stir the primer at low speed until homogeneous.
- Do not dilute unless specifically permitted by the applicable TDS.
- Apply a uniform primer coat using the recommended application equipment.
- Allow the primer to cure for the specified time.
- Apply ALTIC SI BASECOAT after the primer has reached the required condition.
- Complete the coating system with ALTIC SI TOPCOAT where specified.
The recommended coating thickness, curing time and application conditions should always be taken from the latest product-specific TDS.
Function of the Primer
The primer serves as an important foundation within the ALTIC SI coating system.
Its functions include:
- Preparing the metal surface for subsequent coating layers
- Helping seal surface porosity
- Supporting oxidation protection
- Providing a suitable interface for the thermal insulation basecoat
- Improving overall coating-system integrity
- Supporting long-term performance of the complete SI system
Using the compatible primer, basecoat and topcoat as a complete system helps ensure that each layer performs its intended function.
Temperature Selection
The below 200°C designation is important when selecting the appropriate SI primer for the operating conditions.
Before selecting the product, consider:
- Normal operating temperature
- Maximum operating temperature
- Thermal cycling
- Heating and cooling conditions
- Substrate type
- Environmental exposure
- Required thermal insulation performance
- Complete coating-system temperature limitations
For applications at or above 200°C, the appropriate ALTIC SI primer grade should be selected according to the latest technical documentation.
Online Application
The ALTIC SI coating system can be considered for certain online industrial coating applications, where conditions allow application without a complete equipment shutdown.
Online application must be evaluated carefully based on:
- Actual surface temperature
- Equipment accessibility
- Personnel safety
- Existing coating condition
- Required curing conditions
- Operating environment
Do not assume that every hot surface is suitable for online application. Follow the approved ALTIC application procedure and site safety requirements.
Recommended Coating Sequence
Prepared Metal Surface
↓
ALTIC SI PRIMER (BELOW 200°C)
↓
ALTIC SI BASECOAT
↓
ALTIC SI TOPCOAT
↓
Completed Thermal Insulation & Protective System
The thickness of the SI Basecoat should be selected according to the required temperature reduction and project specification.
Safety & Handling
Use appropriate personal protective equipment during surface preparation and coating application.
Ensure adequate ventilation and follow applicable industrial safety procedures. When coating operating equipment, conduct a proper safety assessment before beginning work.
Refer to the latest Safety Data Sheet (SDS) for detailed information on handling, storage, first aid, fire safety and disposal.
Storage
Store ALTIC SI PRIMER in its original sealed container in a suitable cool and dry location. Protect the product from contamination, excessive heat and direct sunlight.
For exact shelf life, packaging and storage conditions, refer to the latest product TDS/SDS.
Why Choose ALTIC SI PRIMER (BELOW 200°C)?
ALTIC SI PRIMER (BELOW 200°C) is designed to provide a suitable primer foundation for ALTIC SI thermal insulation coating systems operating below 200°C. It helps prepare and protect compatible metal substrates before application of the thermal insulation basecoat and protective topcoat.
For optimum results, select the primer according to the actual operating temperature and use it together with the compatible ALTIC SI coating system.
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