Belzona 5811DW2
DW Immersion Grade
WRAS-Approved Epoxy Coating for Drinking Water Contact
A WRAS-approved variant of Belzona 5811 (Immersion Grade), designed for contact with potable water while delivering the same outstanding chemical resistance and corrosion protection.
- SeriesBelzona 5000 Series
- Approvals1
- Documents4
Overview of Belzona 5811DW2
Belzona 5811DW2 (DW Immersion Grade) is a variant of Belzona 5811 that is approved by WRAS for contact with potable water. It is a 2-part epoxy coating which provides outstanding chemical resistance and protects equipment operating under immersion in aqueous solutions up to 122°F (50°C).
This 100% solids material can be easily applied by brush or spray to virtually any metallic and non-metallic surface, simplifying maintenance work in water-handling assets where drinking water contact compliance is required.
Typical applications include tanks, bunds, process vessels, pumps, pipes, heat exchangers, clarifiers operating under immersion, secondary containment areas, and pipework. The product also serves as a high-strength structural adhesive for metal bonding.
Key Benefits
Approved by WRAS for applications in contact with potable (drinking) water.
Effective protection of equipment operating under immersion conditions from corrosion damage.
Reduced health and safety risks as it is 100% solids, with no solvents required.
Spray- or brush-applied onto metallic surfaces, concrete, brick and others. Cures in low-temperature and damp conditions.
Easy application by brush or spray and cure at room temperature, no hot work involved.
Excellent adhesion to virtually any surface including cast iron, stainless steel, brass, copper, concrete, wood, fiberglass and aluminum.
Application Areas
Technical Data
Approvals
Belzona 5811DW2 shares the chemistry and mechanical performance profile of Belzona 5811. For full mechanical, adhesion, and chemical resistance data, refer to the attached Product Specification Sheet.
- WRAS Approved Material for contact with potable water
- ABS Product Type Approval
Working Life
- At 68°F (20°C)
- 1 hour 45 minutes from start of mixing
Cure Schedule
Cure times vary depending on ambient conditions. Refer to the Belzona Instructions for Use for specific cure-to-service guidance.
Service Temperature Limits
- Continuous immersion service
- Up to 122°F (50°C) in aqueous solutions
- Approved for
- Contact with potable (drinking) water (WRAS)
Mixing & Application
Certifications & Approvals
Product PDFs
Safety data downloads straight away. Tell us where to send the specification sheet and the instructions for use and they arrive by email in seconds.
- Product Flyer(opens in a new tab)
Instructions for Use (IFU)Request
Specification SheetRequest
- Chemical Resistance Chart(opens in a new tab)
Frequently Asked Questions
What is Belzona 5811DW2 used for?
Belzona 5811DW2 (DW Immersion Grade) is a variant of Belzona 5811 (Immersion Grade) that is approved by WRAS for contact with potable water. It shares the same 2-part epoxy chemistry, providing outstanding chemical resistance and protecting equipment operating under immersion in aqueous solutions up to 50°C (122°F).
Is Belzona 5811DW2 approved for drinking water?
Yes, Belzona 5811DW2 is approved by WRAS (the UK Water Regulations Advisory Scheme) for applications in contact with drinking water. It also holds ABS Type Approval for marine applications.
What surfaces can Belzona 5811DW2 be applied to?
Belzona 5811DW2 has excellent adhesion to virtually any surface including cast iron, stainless steel, brass, copper, concrete, wood, fiberglass, and aluminum. The substrate must be properly prepared per the Belzona Instructions for Use.
Related Products
Need Belzona 5811DW2 applied
on your asset?
Belzona Houston, the authorized Belzona distributor for South Texas and the Gulf, supplies and applies Belzona 5811DW2, with 24-hour support, no shutdown, no hot work.