Series 98-H²O


Generic Type

Open Matrix, Zinc Rich Epoxy

Common Usage

An innovative, waterborne, zinc-rich epoxy primer that offers extended protection for the interior and exterior of steel potable water tanks. Its ultra-low VOC formulation cures quickly and provides outstanding long-term corrosion resistance when used as a primer in conjunction with other Tnemec coatings. U.S. patent pending. Note: When used in conjunction with cathodic protection, anodes or impressed current systems should not provide current demand more negative than –1.05 volts relative to a copper–copper sulfate reference electrode half-cell.

Special Qualifications

Certified by NSF International in accordance with NSF/ANSI/CAN Std. 61 and the extraction requirements of NSF/ANSI/CAN 600. Series 98-H2O is qualified for interior use on tanks and reservoirs, fittings, valves, and pumps. Reference Tnemec’s certified product listing at for additional details.

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  • Greenish-Gray

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Theoretical Coverage

1,183 mil sq ft/gal (110 m²/L at 25 microns). See APPLICATION for coverage rates.

Number of Components

Three: Part A, Part B, and Part C


0.00 lbs/gal solids

Volatile Organic Compounds

0.07 lbs/gallon (8 grams/litre)

Recommended DFT

2.5 to 3.5 mils (64 to 90 microns). Note: Reference the NSF website at for details on the maximum allowable DFT.

Volume Solids

74.0 ± 2.0% (mixed)

Curing Time

Temperature † To Touch To Handle To Recoat
75°F (24°C) 20 minutes 2 1/2 hours 16 hours

† 50% Relative Humidity. Curing time will vary with surface temperature, air movement, humidity and film thickness.


Interior: Series 21, 22, FC22, L140, L140F, N140, N140F, 141, 406, 1220.
Exterior: Series 21, 27, 66, L69, L69F, N69, N69F, V69, V69F, 73, 115, V115, 118, L140, L140F, N140, N140F, 161, 1026, 1028, 1029, 1094, 1095, 1096. Note: The following maximum recoat times apply: Series 21; 9 months, Series 1094, 1095, 1096; 12 months. Note: Certain topcoat colors may not provide one-coat hiding depending on the product and method of application. Reference Technical Bulletin 13-111 and contact your Tnemec representative.

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