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.
Certified by NSF International in accordance with ANSI/NSF Std. 61. Ambient air cured Series 20 is qualified for use on the interior of potable water storage tanks and reservoirs of 6,000 gallons (22,712 L) capacity or greater. Reference Tnemec's certified product listing at www.nsf.org for details on maximum allowable DFT.
Conforms to AWWA D 102 Inside Systems No. 1 and 2. Contact your Tnemec representative for approved systems and additional information on potential uses.View more product details
Product Data Sheets
Safety Data SheetsEmail this product
Number of Components
Two: Part A and Part B
57.0 ± 2.0% (mixed) †
Unthinned: 4.18 lbs/gal solids
Thinned 10%: 5.16 lbs/gal solids
2.0 to 6.0 mils (50 to 150 microns) per coat. Note: Dry film thickness that exceeds published recommendations but is in compliance with SSPC PA-2 and ANSI/NSF Std. 61 certifications, is acceptable. Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.
|Temperature||To Touch||To Handle||To Recoat||Immersion|
|90°F (32°C)||1 hour||5-7 hours||6-8 hours||4-5 days|
|80°F (27°C)||1.5 hours||7-9 hours||8-10 hours||6-7 days|
|70°F (21°C)||2 hours||10-12 hours||12-14 hours||7-10 days|
|60°F (16°C)||3 hours||16-20 hours||20-24 hours||10-12 days|
|50°F (10°C)||4 hours||24-30 hours||30-36 hours||14-16 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) †
Interior: Series 20, FC20, 22, N140, N140F, 141, 264, 265
Exterior: Series 20, FC20, 22, 27WB, 30, 66, L69, L69F, N69, N69F, V69, V69F, 72, 73, 118, N140, N140F, V140, V140F, 141, 161, 700, V700, 701, V701, 1026, 1028, 1029, 1074, 1074U, 1075, 1075U, 1094, 1095, 1096, 1224. Note: When topcoating with Series 700, V700, 701, or V701, an intermediate coat of Series 73, 1075, 1075U, 1095 or 1096 is required. Note: A maximum recoat time may apply depending on the topcoat specified.
914 mil sq ft/gal (22.4 m²/L at 25 microns). See APPLICATION for coverage rates. †
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