Belzona 5831 (ST-Barrier)

A 2-part epoxy coating which once cured forms a barrier coating for the protection of equipment operating under immersed conditions or in contact with aqueous solutions. This solvent-free epoxy coating bonds strongly to steel and other metallic and …

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Stock Status: 500 pcs

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A 2-part epoxy coating which once cured forms a barrier coating for the protection of equipment operating under immersed conditions or in contact with aqueous solutions. This solvent-free epoxy coating bonds strongly to steel and other metallic and non-metallic surfaces such as concrete or brick.

Belzona 5831 (ST-Barrier) is specifically formulated for application to wet and oil contaminated surfaces that cannot be dry for application, as well as for underwater applications. The coating displaces water from the surface ensuring maximum adhesion to damp or wet surfaces, even underwater.

Key benefits:

Simple mixing ratio

Application and cure at room temperature - no hot work involved

Cures underwater

Reduced health and safety risks as it is solvent-free

Excellent bonding to wet surfaces

Tolerant to oil contamination

No shrinkage, expansion or distortion

Prevents galvanic corrosion

Excellent bonding to many metal surfaces including steel, stainless steel and other specialist steels as well as to non-metallic surfaces such as concrete and brick

Applications for Belzona 5831 (ST-Barrier) include:

Prevention of corrosion and deterioration of metalic substrates in splash zones, pipework, tanks, bunds and clarifiers

Protecting submersible pumps, valves and transformers from the effects of galvanic corrosion

Long-term repair and coating of oil and water leaks

Sealing of joints and flanges

Key technical data:

Working life at 20°C (68°F) 45 minutes

Time to full mechanical loading at 20°C (68°F) 5 days

Coverage rate Practical coverage rate for a 2 coat system:

2.9 sq.m. (31.2 sq.ft.) per litre per coat

Tensile shear adhesion (ASTM D1002) 2,010 psi (13.86 MPa) on oil contaminated blasted steel

Salt spray resistance (ASTM B117) The coating shows no blistering or corrosion after 2000 hours exposure

Temperature resistance 40°C (104°F) immersed, 100°C (212°F) dry

Bonds to Steel, stainless steel, other metals, brick, concrete and non-metallic surfaces

Typical applications Corrosion protection of wet and oil contaminated surfaces operating under immersion

Unit size 4 ltr. Pack sizes may vary locally

Availability* Global

* All products are subject to regional restrictions. Check with your local Distributor for more information

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