Series N140F

Pota-Pox Plus

Generic Type

Polyamidoamine Epoxy

Common Usage

Innovative potable water coating which offers high-build edge protection and allows for application at a wide range of temperatures (down to 35°F or 2°C). For use on the interior and exterior of steel or concrete tanks, reservoirs, pipes, valves, pumps, and equipment in potable water service.

Special Qualifications

Certified by NSF International in accordance with NSF/ANSI/CAN Std. 61. Series N140F is an NSF-approved primer, stripe coat, and intermediate coat for applications on the interior of steel tanks; Series N140F is an NSF-approved primer and finish coat for applications on pumps, valves, fittings, and mechanical devices. Reference Tnemec’s certified product listing at for additional details.

Conforms to AWWA C 210 (without 44-700). Contact your Tnemec representative for systems and additional information.

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Recommended DFT

2.0 to 10.0 mils (50 to 225 microns) per coat. Note: Reference the NSF website at for details on the maximum allowable DFT. Note: The number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.

Volume Solids

68.0 ± 2.0% (mixed) †

Volatile Organic Compounds

Unthinned: 2.3 lbs/gallon (273 grams/litre)
Thinned 5% (No. 60 Thinner): 2.5 lbs/gallon (299 grams/litre)
Thinned 10% (No. 4 Thinner): 2.7 lbs/gallon (323 grams/litre) †


Unthinned: 2.3 lbs/gal solids
Thinned 5% (No. 60 Thinner): 2.3 lbs/gal solids
Thinned 10% (No. 4 Thinner): 3.1 lbs/gal solids


Series 215, 217, 218


Self-priming, 22, 91-H₂O, 94-H₂O, 98-H₂O, L140, L140F, N140

Number of Components

Two: Part A (amine) and Part B (epoxy) — One (Part A) to one (Part B) by volume.


Interior: Series 21, 22, FC22, L140, L140F, N140, N140F, 406
Exterior: Series 22, 27, 66, L69, L69F, N69, N69F, V69, V69F, 73, 118, L140, L140F, N140, N140F, 156, 157, 161, 180, 181, 700, V700, 701, V701, 1026, 1028, 1029, 1077, 1078, 1078V, 1080, 1081, 1094, 1095, 1096, 1224. Note: When topcoating with Series 700, V700, 701, or V701, an intermediate coat of Series 73, 1095 or 1096 is required. Note: The following recoat times apply for Series N140F: Immersion Service—Surface must be scarified by blasting with fine abrasive after 30 days. Atmospheric Service—After 30 days, scarification or an epoxy tie-coat is required. Note: When topcoating with Series 406, recoat times will vary with temperature. Reference the Series 406 product data sheet for specific recoat times. Contact your Tnemec representative for specific recommendations.

Theoretical Coverage

1,094 mil sq ft/gal (26.8 m²/L at 25 microns). See APPLICATION for coverage rates. †

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