Series 20


Generic Type

Polyamide Epoxy

Common Usage

Industry standard for potable water epoxy coatings for nearly 40 years. Known for its forgiving application characteristics in adverse and varied conditions, and for its benchmark performance.

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Volume Solids

57.0 ± 2.0% (mixed) †

Recommended DFT

2.0 to 6.0 mils (50 to 150 microns) per coat. Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.


Interior: Series 20, FC20, N140, N140F, 264, 265
Exterior: Series 20, FC20, 66, N69, N69F, 73, N140, N140F, 161, 700, 701, 1074, 1075. Note: When topcoating with Series 700 or 701, an intermediate coat of Series 73 or 1075 is required.
Refer to COLORS on applicable topcoat data sheets for additional information.

Curing Time

Temperature To Handle To Recoat Immersion
75°F (24°C) 10 hours 12 hours 7 days

Curing time varies with surface temperature, air movement, humidity and film thickness.
Ventilation: When used in enclosed areas, provide adequate ventilation during application and cure.

Volatile Organic Compounds

Unthinned: 3.02 lbs/gallon (362 grams/litre)
Thinned 10%: 3.37 lbs/gallon (404 grams/litre) †

Theoretical Coverage

898 mil sq ft/gal (22.0 m²/L at 25 microns). See APPLICATION for coverage rates. †


Unthinned: 4.18 lbs/gal solids
Thinned 10%: 5.16 lbs/gal solids


Self-priming, 1, FC20, N140, N140F, 91-H²O, 94-H²O. Note: 91-H²O is ANSI/NSF Std. 61 certified by UL as a primer for Series 20. Refer to the 91-H²O product data sheet for additional information.

Number of Components

Two: Part A and Part B

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