Series 1

Omnithane

Generic Type

Modified Aromatic Polyurethane Primer

Common Usage

A single component, moisture-cured resin, containing a proprietary blend of micaceous iron oxide and zinc to function as a primer which is field and shop friendly. May be used in OEM manufacturing, potable water and wastewater immersion with the proper topcoats. May also be used for marginally prepared rusty steel and tightly adhering old coatings for non-immersion maintenance situations.

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Colors

  • 1216 Greenish-Gray

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

Number of Components

One

Theoretical Coverage

978 mil sq ft/gal (24.0 m²/L at 25 microns). See APPLICATION for coverage rates.

Primers

Self-priming, 90G-1K97, 90-97, H90-97, 91-H²O, 94-H²O

Topcoats

Series 1, 20, FC20, 27, 27WB, 46H-413, 66, L69, L69F, N69, N69F, V69, V69F, 73, 104, 113, 114, 115, L140, L140F, N140, N140F, V140, V140F, 141, 161, 406, 446, 740, 750, 1028, 1029, 1074, 1074U, 1075, 1075U.
Note: If Series 1 is exterior exposed for 1 year or more it must be scarified or recoated with itself before topcoating. Scarification or recoating with itself is required if the Series 1 has been exterior exposed for 3 days or longer and Series 113 is the specified topcoat. Note: Series 115 requires Series 44-900 adhesion promoter when topcoating Series 1.
Note: Certain topcoat colors may not provide one coat hiding depending on method of application. Contact your Tnemec representative. Note: Series 1 requires one day exterior exposure before topcoating with Series 27WB, 1028, or 1029.

Curing Time

Without 44-710

| Temperature †|| To Touch || To Handle || To Topcoat |
| 75°F (24°C) || 1/4 hour || 1 1/2 hours || 16 hours |
| 65°F (18°C) || 1/4 hour || 2 3/4 hours || 16 hours |
| 55°F (13°C) || 1/4 hour || 5 hours || 20 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.
Note: When recoating Series 1 with itself, the minimum recoat time is 2 hours at 70°F (21°C).
Ventilation: When used in enclosed areas, provide adequate ventilation during application and cure.

With 44-710: The use of 44-710 can greatly reduce dry to handle cure times. Note: Series 44-710 Accelerator must be used when the surface temperature falls below 50°F (10°C).

Volatile Organic Compounds

Unthinned: 2.79 lbs/gallon (334 grams/litre)
Thinned 10% (No. 2 or 3 Thinner): 3.20 lbs/gallon (384 grams/litre)
Thinned 10% (No. 49 Thinner): 2.79 lbs/gallon (334 grams/litre)

Volume Solids

61.0 ± 2.0% (mixed)

Recommended DFT

2.5 to 3.5 mils (65 to 90 microns) per coat. Note: NSF certification maximum: 3.5 mils.

HAPS

Unthinned: 0.79 lbs/gal solids
Thinned 10% (No. 2 Thinner): 1.98 lbs/gal solids
Thinned 10% (No. 3 Thinner): 0.83 lbs/gal solids
Thinned 10% (No. 49 Thinner): 0.79 lbs/gal solids

Surfacer/Filler/Patcher

For information, contact Tnemec Technical Services.

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