Series 20HS

Pota-Pox

Generic Type

Polyamide Epoxy

Common Usage

A high-solids, lower VOC version of Tnemec’s proven polyamide epoxy technology. Provides excellent protection to steel and concrete substrates, and is certified for use in potable water immersion. Excellent choice for tanks, valves, and pipes.

Special Qualifications

Certified by NSF International in accordance with NSF/ANSI Std. 61. Seven day ambient air cured Series 20HS is qualified for interior use on tanks and reservoirs of 300 gallons (1,135 L) capacity or greater, pipes 18 inches (46 cm) in diameter or greater, valves 3.5 inches (9 cm) in diameter or greater, fittings 1 inch (3 cm) in diameter or greater and pumps 3.5 inches (9 cm) in diameter or greater. Sixty day ambient air cured Series 20HS is qualified for use on pipes 14 inches (35 cm) in diameter or greater. Reference the "Search Listings" section of the NSF website at www.nsf.org for details on the maximum allowable DFT. Conforms to AWWA D102 Inside Systems No. 1 and No. 2. Conforms to AWWA C210 (without 44-705). Contact your Tnemec representative for systems and additional information.

View more product details

Colors


View Available Colors

View available colors in our Color Tool; you can also select and request color swatches.

Finish

Satin

Surfacer/Filler/Patcher

215, 217, 218

Theoretical Coverage

1,249 mil sq ft/gal (30.7 m²/L at 25 microns). See APPLICATION for coverage rates. †

Recommended DFT

2.0 to 10.0 mils (50 to 254 microns) per coat.
Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.

Curing Time

Temperature To Touch To Handle To Recoat Immersion
95°F (35°C) 1 hour 3 hours 6-7 hours 7 days
75°F (24°C) 2 hours 8 hours 12-16 hours 7 days
55°F (13°C) 4 hours 22-24 hours 30-34 hours 12-14 days

Curing time varies with surface temperature, air movement, humidity and film thickness. Note: For faster curing and low temperature applications, add No. 44-705 Epoxy Accelerator, see separate product data sheet for cure information.
Ventilation: When used as a tank lining or in enclosed areas, provide adequate ventilation during application and cure.

Primers

Steel: Self-priming or Series 1, 20, FC20, FC20HS, 91-H_2_O, 94-H_2_O, L140, L140F, N140, N140F, V140, V140F
Concrete: Self-priming, 20, FC20HS

Volatile Organic Compounds

Unthinned: 1.54 lbs/gal (184 grams/litre)
Thinned 10% (No. 4 Thinner): 2.02 lbs/gal (243 grams/litre)

Topcoats

Interior: 20, FC20, 20HS, 22, FC22, L140, L140F, N140, N140F, V140, V140F, 264, 265, 406
Exterior: 20, FC20, 20HS, FC20HS, 66HS, L69, L69F, N69, N69F, 72, 73, L140, L140F, N140, N140F, V140, V140F, 161HS, 264, 265, 406, 700, V700, 701, V701, 740, 750, 1074, 1074U, 1075, 1075U, 1095.
Note: When topcoating Series 20HS, the following maximum recoat times apply: with 264 or 265, 7 days; with 406, 14 days; with 740 or 750, 21 days; with 1095, 30 days; with itself, 20, FC20, FC20HS, 22, FC22, L140, L140F, N140, N140F, V140, V140F, 161HS, 700, V700, 701 and V701, 60 days; with 72, 73, 1074, 1074U, 1075 and 1075U, 90 days. Scarify the Series 20HS surface before topcoating if maximum recoat time has elapsed.

Number of Components

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

HAPS

Unthinned: 1.17 lbs/gal solids
Thinned 10% (No. 4 Thinner): 1.88 lbs/gal solids

Volume Solids

78% ± 2.0% (mixed) †

Still have questions? Request the information you’re looking for:

Request Info

How to Purchase

Tnemec coatings are sold through a select network of local independent sales representatives who can help you find the best product for your needs. Find a rep

Continue Exploring in the color tool

Close

Color Swatch packet

When you finish selecting, request your Swatch Packet below. Expect your swatch cards in 5-7 business days. Contact your expert Sales Rep at any time.

Sorry, there is a maximum of 6 color swatches.

Request swatch packet

Continue Exploring in the color tool

Close