Materials of Construction: Coating Types for Your Industrial Filtration Equipment
When considering a purchase of industrial water filtration equipment, the materials of construction are always an important factor. The nature of the slurry, including temperature, pressure, pH, chemical compatibility and abrasiveness can play an important role when selecting the type of coating for your equipment.
Pratt & Lambert® Polyamide Epoxy – M.W. Watermark’s Standard Exterior Coating
M.W. Watermark utilizes a Pratt & Lambert® polyamide epoxy as a standard exterior coating that protects steel in industrial environments. A high-solids formula ensures protection of sharp edges, corners and welds. This high-build mastic epoxy coating also features excellent adhesion and chemical and abrasion resistance, and is suitable for use in USDA inspected facilities.

Contact M.W. Watermark to learn more about the best type of coating for your specific application.
Enduroliner™ Coating
A coating solution that M.W. Watermark offers for enhanced resistance to corrosion and wear is the Enduroliner™ coating. EnduroLiner™ is a polyurea/polyurethane spray-on coating that exhibits excellent adhesion for seamless protection from wear and abrasion. EnduroLiner™ also provides excellent UV light, chemical, and moisture resistance necessary for demanding applications.


Click here for a full Enduroliner™ specifications sheet, including a chemical compatibility chart.
Corotech® Polyamid Epoxy – M.W. Watermark’s Standard Interior Clarifier Coating
Corotech® V400 Polyamide Epoxy Coating is designed for use in Food and Beverage Processing, Industrial Maintenance, General Metal Finishing and Fabrication, Chemical Processing, Industrial and Commercial Flooring and other areas requiring maximum impact and abrasion resistance. It’s highly cross-linked film resists many chemicals and solvents, and exhibits excellent chemical and moisture resistance. It is also resistant to dilute acids and alkali attack and does not support the growth of mold, fungi or other micro-organisms.

Contact M.W. Watermark to learn more about Corotech® as a standard interior coating for clarifiers.
Tnemec Series 61 – Specialized Exterior and Interior Clarifier Coating
Tnemec Series 61 coating, which is generically referred to as Cycloaliphatic Amine Epoxy, is a tightly cross-linked epoxy with excellent corrosion and chemical resistance. Principally used for immersion service, including fuel and crude oil storage, chemical containment and wastewater treatment. Tnemec coating is not suitable for direct or indirect food contact.

Contact M.W. Watermark for a list of Tnemec Series 61 compatible chemicals along with maximum temperatures for each.
About M.W. Watermark
M.W. Watermark wants to make a difference. We are passionate about the world’s water. We are innovative, focused on customer service and always try to exceed expectations. We are an environmentally conscious company with people who are energized, encouraged and inspired to make a difference in the water business, and as a result, make a positive difference to our planet by helping to keep our shared, finite water supply clean and usable for generations to come. We build amazing, custom water and wastewater treatment equipment. We also specialize in rebuilding used water treatment equipment. Together, we can make a difference.
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