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 and wastewater 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/CAN Std. 61 and the extraction requirements of NSF/ANSI/CAN 600. Reference Tnemec’s certified product listing at for details on the maximum allowable DFT. Series 22 conforms to AWWA C 210.

This product is part of a coating system tested in accordance with ISO 12944-6 (2018). Contact your Tnemec representative for coating system test results.

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Volume Solids

100% (mixed) †

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.


Steel: Self-priming, 21, 66, L69, L69F, N69, N69F, 90-97, H90-97, 90G-1K97, 91-H₂O, 94-H₂O, 98-H₂O, L140, L140F, N140, N140F, V140, V140F, 161. Note: The following maximum recoat time applies: over Series 21, 14 days; over Series 66, L69, N69, L140, N140, V140 or 161, 60 days; over Series L69F, N69F, V69F, L140F, N140F or V140F, 30 days; Series 98-H₂O, 1 year. If the maximum recoat time has been exceeded, the primed surface must be scarified prior to topcoating with Series 22.

Recommended DFT

16 to 40 mils (400 to 1015 microns). Note: For multiple coat applications a minimum 12.0 mils (305 microns) per coat is required. Note: Reference the NSF website at for details on the maximum allowable DFT.

Theoretical Coverage

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


Series 73, 700, V700, 701, V701, 1028, 1029, 1074, 1074U, 1075, 1075U, 1080, 1081, 1094, 1095, 1096. Note: Series 22 exterior (sunlight) exposed for longer than maximum recoat requires scarification by abrasive blasting prior to topcoating.


Series 215, 217, 218



Number of Components

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


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

Volatile Organic Compounds

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

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