Internal Surface Coating

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Internal Surface Coating

Internal Surface Coating

Internal Surface Coating is an essential process designed to protect the internal surfaces of tanks, vessels, and pipelines from corrosion, abrasion, and chemical attack. This specialized coating ensures long-term performance, product purity, and reduced maintenance for industrial systems exposed to harsh environments.

At SAI ASSOCIATES, we apply high-performance coatings using advanced spraying and curing techniques to achieve durable and uniform internal protection. Each coating system is selected based on the operating temperature, medium, and pressure conditions of the component to ensure maximum efficiency and longevity.

Key Features

Superior Corrosion Protection

Prevents rusting, scaling, and contamination within pipelines and tanks.

Chemical & Abrasion Resistance

Withstands aggressive chemicals, solvents, and abrasive fluids in operation.

Smooth & Clean Finish

Provides a smooth, easy-to-clean surface that maintains product integrity and hygiene.

Technical Specifications

Parameter Specification
Coating Type Epoxy, Polyurethane, Zinc-Rich Epoxy, Phenolic Coating
Surface Preparation Blasting to SA 2.5 / SA 3 (as per ISO 8501-1)
Application Method Airless Spray / Brush / Roller depending on accessibility
Coating Thickness 100 – 500 microns (customizable as per client specification)
Curing Time 4 – 8 hours (depends on temperature and coating type)
Service Temperature -10°C to +150°C depending on coating material
Applications Storage Tanks, Pipelines, Reactors, Pressure Vessels, Chemical Equipment