Belzona 5841

A solvent-free, 2-part epoxy coating designed to provide outstanding protection to hot metal surfaces against corrosion under insulation (CUI). This surface-tolerant coating can be applied by brush directly onto hot metal surfaces from 30°C to 80°C …

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Stock Status: 500 pcs

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A solvent-free, 2-part epoxy coating designed to provide outstanding protection to hot metal surfaces against corrosion under insulation (CUI). This surface-tolerant coating can be applied by brush directly onto hot metal surfaces from 30°C to 80°C (86°F - 176°F) with minimal preparation required.

Key benefits:

In-situ application by brush on live equipment operating at high temperatures with minimal surface preparation

Excellent corrosion under insulation (CUI) protection of surfaces up to 80°C (176°F)

Reduced health and safety risks as it is solvent-free

Fast cure allowing equipment to be re-insulated with minimum delay

Good chemical resistance against a wide range of chemicals

Excellent adhesion even to manually prepared metals including stainless steel, carbon steel, aluminium, brass and copper

Good adhesion to Belzona 5851 (HA-Barrier)* coating in overlap areas

Applications for Belzona 5841 include:

Prevention of corrosion under insulation (CUI)

Long-term corrosion protection of hot pipework and process equipment

In-situ external coating of process vessels operating at high temperature during service, avoiding production downtime

*Also available is heat activated Belzona 5851 (HA-Barrier) coating, suitable for applications onto hot surfaces up to 150°C (302°F).

Key technical data:

Working life at 20°C (68°F) 1 hour

Time to full cure 80°C (176°F) 8 hours

Coverage rate at 80°C (176°F) Theoretical coverage rate for a 2 coat system:

4.98 sq.m. (53.6 sq.ft.) per kilogram at 80°C (176°F) per coat

Heat resistance Up to 80°C (176°F)

Heat distortion temperature (tested per ASTM D648) 95°C (203°F) after 7 days cure at 80°C (176°F)

Bonds to Aluminium, copper, steel, stainless steel, cast iron, and other metals

Typical applications Prevention of CUI, surface-tolerant coating for live process equipment

Unit size 1 kg, 8 kg. Unit sizes may vary locally.

Availability* Global

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

More information:

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