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Macropoxy 646

Macropoxy 646

Brand: Sherwin Williams

Regular price From £96.58
(£115.90 Inc VAT)
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A two-component, high-solids, fast-drying polyamide epoxy mastic.

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Technical Information

Designed to protect steel and concrete in industrial exposures, Macropoxy® 646 epoxy is ideal for maintenance painting and fabrication shop applications. The high-solids content ensures adequate protection of sharp edges, corners and welds. This product can be applied directly to marginally prepared steel surfaces. It is a versatile high performance polyamide cured epoxy designed to fulfil the needs of both new construction and maintenance painting. User friendly with a 1:1 mix ratio, it is fast drying, surface tolerant and available in a range of colours making it ideal for atmospheric and immersion service.

• Low VOC

• Chemical resistant

• Low odour

• Abrasion resistant

• Outstanding application properties

Where To Use

• Marine applications

• Pulp and paper mills

• Refineries

• Power plants

• Chemical plants

• Offshore platforms

• Tank exteriors

• Nuclear Power Plants

• Water treatment plants

• White is acceptable for immersion use for salt water and fresh water, not acceptable for potable water


    • Suitable for use in USDA inspected facilities


    • Acceptable for use in Canadian Food Processing facilities, categories D1, D2, D3 (confirm acceptance of specific part numbers/recommendations with your Sherwin-Williams sales representative)


    • Conforms to AWWA D102 OCS


    • Conforms to MPI # 108


    • This product meets specific design requirements for non-safety related nuclear plant applications in Level II, III and Balance of Plant, and DOE nuclear facilities. Nuclear qualifications are NRC license specific to the facility.


    • Meets Class A requirements for slip coefficient, 0.36 @ 6 mils / 150 microns dft (Mill White only)




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