Series 22


Generic Type

Modified Polyamine Epoxy

Common Usage

An advanced generation, 100% solids, high-build epoxy for the protection of steel and concrete. It provides excellent resistance to abrasion and is suitable for immersion service in potable water, wastewater, crude oil, and finished fuel environments. Specialized curing mechanism allows for faster cure response with airless spray application.

Special Qualifications

Series 22-WH11 Off-White, 22-1218 Light Blue and 22-1255 Beige are certified by NSF International in accordance with NSF/ANSI Std. 61 and are qualified for use on tanks and reservoirs of 3,000 gallons (181,699 L) capacity or greater, pipes 48 inches (121.9 cm) diameter or greater, pumps one (1) inch (2.5 cm) in diameter or greater, valves one (1) inch (2.5 cm) diameter or greater and fittings 1/2 inch (1.2 cm) in diameter or greater. Series 20HS, FC20HS, 91-H_2_O, 94-H_2_O, N140, N140F, V140 and V140F are the only Std. 61 certified primers for use with Series 22. Reference the "Search Listings" section of the NSF website at for details on the maximum allowable DFT. Series 22 conforms to AWWA C 210.

Series 22 conforms to API 652 for lining above ground storage tanks. Series 61 is the recommended primer for use with Series 22 in crude oil or finished fuel immersion service environments. Contact your Tnemec representative for systems and additional information.

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Volatile Organic Compounds

Unthinned: 0.10 lbs/gallon (12 grams/litre)
Thinned 5%: 0.44 lbs/gallon (52 grams/litre) †

Recommended DFT

16 to 40 mils (400 to 1016 microns) in one or two coats.

Number of Components

Two: Part A (polyamine) and Part B (epoxy)

Theoretical Coverage

1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION for coverage rates. †

Curing Time

Temperature To Touch Dry Through Minimum to Recoat Return to Service Maximum to Recoat
95°F (35°C) 2 1/2 hours 5 1/2 hours 4 hours 5 days 7 days
75°F (24°C) 7 hours 18 hours 16 hours 5 days 7 days
50°F (10°C) 24 hours 27 hours 32 hours 7 days 7 days

Note: These cure times are based on 20.0 mil (500 micron) dry film thickness. Cure time varies with surface temperature, air movement, humidity, and film thickness. Ventilation: When used as a tank lining or in enclosed areas, provide adequate ventilation during application and cure.


Series 215, 217, 218


Steel: Self-priming, 20HS, FC20HS, 61, 66, 66HS, L69, L69F, N69, N69F, 90-97, H90-97, 90G-1K97, 91-H²O, 94-H²O, L140, L140F, N140, N140F, V140, V140F, 161, 161HS. Note: Series 20HS, FC20HS, 66, 66HS, L69, N69, L140, N140, V140, 161 or 161HS exposed more than 60 days; L69F, N69F, V69F, L140F, N140F or V140F exposed more than 30 days; 61 exposed more than 14 days must first be scarified or reprimed with themselves prior to topcoating with 22.


Unthinned: 0.0 lbs/gal solids
Thinned 5%: 0.37 lbs/gal solids


Series 73, 740, 750, 1028, 1029, 1074, 1074U, 1075, 1075U, 1080, 1081. Note: Series 22 exterior (sunlight) exposed for longer than maximum recoat requires scarification by abrasive blasting prior to topcoating.

Volume Solids

100% (mixed) †

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