Series 21
Epoxoline
Generic Type
Phenalkamine Epoxy
Common Usage
High solids, immersion-grade coating offering exceptional build per coat for long-term corrosion resistance. For use on the interior and exterior of steel or concrete tanks, reservoirs, pipes, valves, pumps, and equipment, as well as other steel and concrete substrates. Specially formulated to meet the latest requirements for use in potable water applications.
Special Qualifications
Certified by NSF International in accordance with NSF/ANSI/CAN Std. 61 and the extraction requirements of NSF/ANSI/CAN 600. Series 21 is qualified for interior use on tanks and reservoirs, pipes, fittings, valves, and pumps. Reference Tnemec’s certified product listing at www.nsf.org for additional details.
Series 21 conforms to AWWA C 210.
Conforms to AWWA D102 Inside Systems No. 1, 2, 5, and 6.
A two-coat and three-coat system of Series 21 meets the requirements of AWWA C550 Protective Interior Coatings for Valves and Hydrants. Contact your Tnemec representative for more information.
View more product detailsProduct Data Sheets
- English_Series_21_Epoxoline_pds.pdf
- French_Series_21_Epoxoline_pds.pdf
- Spanish_Series_21_Epoxoline_pds.pdf
Safety Data Sheets
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Colors
View Available Colors
View available colors in our Color Tool; you can also select and request color swatches.
Number of Components
Two: Part A (epoxy) and Part B (amine)
Primers
Steel: Self-priming, Series 1, L69, L69F, N69, N69F, 91-H₂O, 93-H₂O, 94-H₂O, 98-H₂O, L140, L140F, N140, N140F, 394
Concrete: Self-priming, Series L69, L69F, N69, N69F, L140, L140F, N140, N140F
CMU: Self-priming
Note: The following maximum recoat windows apply; Series L140F, L69F, N140F, N69F, @21 days@; Series 21, @30 days@; Series 1, L69, N69, L140, N140, @12 months@.
Recommended DFT
4.0 to 20.0 mils (100 to 510 microns). Note: Thickness requirements will vary with the substrate, application method, and exposure. Contact your Tnemec representative.
Topcoats
Series 21, 22, FC22, 73, L140, N140, 406, 1028, 1029, 1094, 1095, 1096.
Note: The following maximum recoat windows apply; Series 22, FC22, N140, @14 days@; Series L140, @21 days@; Series 21, 73, 406, 1028, 1029, @30 days@; Series 1094, 1096, @9 months@; Series 1095, @12 months@.
Curing Time
| Temperature | To Handle | To Topcoat | Potable Water Immersion |
|---|---|---|---|
| 90°F (32°C) | 2 hours | 4 hours | 7 days |
| 75°F (24°C) | 3 hours | 5 hours | 7 days |
| 65°F (18°C) | 5 hours | 9 hours | 8 days |
| 55°F (13°C) | 12 hours | 18 hours | 10 days |
| 45°F (7°C) | 20 hours | 24 hours | 12 days |
| 40°F (4°C) | 22 hours | 28 hours | 16 days |
| 35°F (2°C) | 64 hours | 72 hours | 18 days |
Curing time varies with surface temperature, air movement, humidity, and film thickness. Note: Series 21 will continue to cure below 32°F (0°C), but at a slower speed. Please contact Tnemec Technical Services to discuss project-specific details. Note: Maximum recoat time with itself is 30 days.
Volatile Organic Compounds
Unthinned: 1.20 lbs/gallon (144 grams/litre)
Thinned 5% (No. 88 Thinner): 1.46 lbs/gallon (175 grams/litre) †
HAPS
Unthinned: 1.08 lbs/gal solids
Thinned 5% (No. 88 Thinner): 1.40 lbs/gal solids
Theoretical Coverage
1,315 mil sq ft/gal (31.5 m²/L at 25 microns). See APPLICATION for coverage rates. †
Volume Solids
82% ± 2.0% (mixed) †
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