Series 90-1K97


Generic Type

Aromatic Polyurethane, Zinc-Rich

Common Usage

An advanced technology, single-component, moisture-cured, zinc-rich primer providing extraordinary performance, user-friendly and easy application. Also used for field touch-up of inorganic zinc coating.

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  • 90-1K97 Red

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Number of Components


Curing Time

Temperature † To Handle To Recoat
75°F (24°C) 2 hours 8 hours
55°F (11°C) 4 hours 12 hours
35°F (2°C) 6 hours 16 hours

† 50% relative humidity. 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. Note: For faster curing and low-temperature applications, add No. 44-710 Urethane Accelerator (see separate product data sheet.)

Volatile Organic Compounds

Unthinned: 2.66 lbs/gallon (318 grams/litre)
Thinned 2.5%: 2.77 lbs/gallon (332 grams/litre)
Thinned 10%: 3.08 lbs/gallon (369 grams/litre)


Series 6, 27, 46H-413, 66, N69, N69F, 73, 84, 104, 113, 114, 161, 290, 291, 1070, 1071, 1072, 1074, 1075, 1077, 1078. Note: Certain topcoat colors may not provide one-coat hiding depending on method of application. contact your Tnemec representative.

Recommended DFT

2.5 to 3.5 mils (65 to 90 microns) per coat.


Unthinned: 4.19 lbs/gal solids
Thinned 2.5%: 4.48 lbs/gal solids (No. 2 Thinner); 4.18 lbs/gal solids (No. 3 Thinner)
Thinned 10%: 5.33 lbs/gal solids (No. 2 Thinner); 4.23 lbs/gal solids (No. 3 Thinner)

Volume Solids

62.0 ± 2.0%


Series 115. Intermediate coat color should be noticeably different but in the same family as the topcoat color. Certain intermediate/topcaot systems may require multiple coats to achieve acceptable hiding, depending on color, specified thickness per coat and method of application. More information appears under Application Equipment.

Theoretical Coverage

996 mil sq ft/gal (24.4 m²/L at 25 microns). See APPLICATION for coverage rates.

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Color Swatch packet

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