NSF 600 Coatings & Linings

Important Upcoming Changes to Regulations for Potable Water Linings

On January 1, 2023, NSF will implement new extraction criteria for xylene, ethylbenzene and toluene. The extraction criteria found in the NSF/ANSI/CAN Std. 600 (NSF 600) reference standard will require all coatings in contact with potable water to meet new, lower extraction levels. These new limits will severely restrict available product offerings from most coating and lining manufacturers and only coatings with extractables of xylene less than 0.09 mg/L, ethylbenzene less than 0.14 mg/L and toluene less than 0.06 mg/L, will be certified for use on potable water structures and components.

NSF 600 Coatings with Years of Proven Performance in the Field

As a leader in the water tank industry, Tnemec is well-prepared for these changes, and has been anticipating potential rule and regulation changes like these for years. Our company has many full coating and lining systems that will still comply with the new NSF extraction criteria, including coating systems that have been applied to potable water tanks and piping for decades.

Series 22 Epoxoline: A 100% solids epoxy lining for potable water immersion introduced in 2001.

Series FC22 Epoxoline: Fast-cure, 100% solids epoxy lining built to protect steel and concrete surfaces, introduced in 2008.

Series 94-H20 Hydro-Zinc: A zinc-rich urethane primer applied on countless water tank interiors and exteriors that was introduced in 2003.

Series 91-H2O Hydro-Zinc: Standard zinc-rich urethane primer for water tanks used across North America since being introduced in 1997.

Series 406 Elasto-Shield: Polyurethane lining used on steel and concrete potable water structures, introduced in 2002.

Series N140 Pota-Pox Plus: Reliable epoxy coating certified for use as potable water primer, intermediate coat or stripe coat, introduced in 1999.

Our Commitment

At Tnemec Company, we constantly focus on protecting clean water infrastructure. That dedication spans the entire Tnemec family to include performance testing in the R&D laboratory, management involvement in water industry regulatory organizations, special attention given to packaging on the factory floor and continuous support and technical involvement with clients. With Tnemec, you can find no better informed and passionate advocate for your potable water coating needs.

Chase Bean - President/CEO

Innovative New Products Now Available for NSF 600 Requirements

Tnemec Company has introduced several coatings that will allow owners and engineers to update their water tank and treatment specifications with innovative, low VOC products. These coatings are formulated to perform as well as, if not better than, previous technologies, and will help prepare specifiers for the next phase of potable water protection.

Series 21 Epoxoline: A high-solids epoxy lining that can be used on the interior and exterior of steel or concrete tanks, pipes, valves, pumps, and other equipment in potable water service.

Series 1220 HydroLine: A unique, low VOC, water-based epoxy coating featuring HydroLink technology, ideal for use in potable water tanks and water treatment facilities.

Series 98-H2O Hydro-Zinc: An innovative, waterborne zinc-rich epoxy primer offering extended protection on the interior and exterior of potable water storage tanks.

To learn more about these products and specify them for your projects, reach out to your local Tnemec representative.

Update Your Coatings & Linings Specifications for NSF 600 Extraction Requirements

Learn more about NSF 600 and its effect on coating selection and specification by watching the video below and downloading our tech bulletin. For assistance with updating your potable water specifications before Jan. 1, contact your local Tnemec representative by clicking below:

Video: NSF 600 Explained

Learn more about upcoming regulatory changes in the potable water industry, and make sure you're specifying the right primers and linings for your water tanks and treatment centers.

Experience, Reliability and Performance

Benefit from the value of the difference

It's not one or two things that make doing business with Tnemec a wise choice -- it's the impact of many things working together. To experience the true value of our coatings and linings, reach out to your local Tnemec representative and start specifying and applying the difference today.

Contact us

AWWA D102 Explained

We can help determine your lowest life cycle cost.

Tnemec can provide owners and engineers with tangible evidence of coating service life.

Contact Your Rep

Looking for Some Local Coatings Guidance?

Reach out to one of our knowledgable and reliable representatives near you.

The Remedy Blog

Have questions about your coatings project?

We have just the remedy. Check out our blog for updated coatings articles, videos and podcasts.

Continue Exploring in the color tool


Color Swatch packet

When you finish selecting, request your Swatch Packet below. Expect your swatch cards in 5-7 business days. Contact your expert Sales Rep at any time.

Sorry, there is a maximum of 6 color swatches.

Request swatch packet

Continue Exploring in the color tool