Tnemec Company Inc. -Series 94-H20 Hydro-Zinc - Aromatic Urethane, Zinc-Rich

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Generic Type

Aromatic Urethane, Zinc-Rich

Common Usage

A single-component, moisture-cured, zinc-rich primer for steel structures, including the interior and exterior of steel potable water tanks.


Category: lining coatings | steel coatings | steel tank liners...

MasterFormat: Painting and Coating | High-Performance Coatings | Special Coatings



Tnemec Company Inc.
6800 Corporate Drive
Kansas City, MO 64120
Tel: (816) 326-4264

ist@tnemec.com

https://www.tnemec.com/

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Overview


Series 94-H20 Hydro-Zinc - Aromatic Urethane, Zinc-Rich

Generic Type

Aromatic Urethane, Zinc-Rich

Common Usage

A single-component, moisture-cured, zinc-rich primer for steel structures, including the interior and exterior of steel potable water tanks. Provides outstanding long-term corrosion resistance when used as a primer in conjunction with other Tnemec coatings. It cures quickly and offers rapid recoat at surface temperatures down to 35°F. Note: When used in conjunction with cathodic protection, anodes or impressed current systems should not provide current demand more negative than -1.05 volts relative to a copper-copper sulfate reference electrode half-cell.

Volume Solids

62.0 ± 2.0% (mixed)

Recommended DFT

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

Theoretical Coverage

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

Volatile Organic Compounds

Unthinned: 0.74 lbs/gallon (89 grams/litre)
Thinned 15% (No. 49 Thinner): 0.74 lbs/gallon (89 grams/litre)
Thinned 10% (No. 3 Thinner): 1.57 lbs/gallon (188 grams/litre)
Thinned 10% (No. 2 Thinner): 1.56 lbs/gallon (187 grams/litre)

Curing Time

Without 44-710

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. Note: Refer to product listings on www.nsf.org for specific potable water return to service information. Curing time will vary with surface temperature, humidity and film thickness. Ventilation: When used in enclosed areas, provide adequate ventilation during application and cure.
Note: For faster curing, low humidity and low-temperature applications, add No. 44-710 Urethane Accelerator (see separate product data sheet). Note: For cure times to immersion service, reference the specified Tnemec interior topcoat product data sheet.

Number of Components

One

HAPS

Unthinned: 1.68 lbs/gal solids
Thinned 15% (No. 49 Thinner): 1.68 lbs/gal solids
Thinned 10% (No. 3 Thinner): 1.72 lbs/gal solids
Thinned 10% (No. 2 Thinner): 2.84 lbs/gal solids

Topcoats

Interior: Series 20, 20HS, FC20, FC20HS, 22, FC22, L140, L140F, N140, N140F, V140, V140F, 141, 215, 406
Exterior: Series 27WB, 66, 66HS, L69, L69F, N69, N69F, 73, 115, 156, 161, 161HS, 215, 1026, 1028, 1029, 1074, 1074U, 1075, 1075U, 1080, 1081. Note: Certain topcoat colors may not provide one-coat hiding depending on method of application. Contact your Tnemec representative. Note: Series 94-H_2_O must be exterior exposed for three days prior to topcoating with Series 1028 or 1029. Note: Series 94-H_2_O must be exterior exposed for one day prior to topcoating with Series 27WB.


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