Series 394 | PerimePrime

Generic Type Aromatic Polyurethane, Mio-Zinc Filled Primer
Common Usage Specially formulated, one-component, moisture-cured, micaceous iron oxide and zinc filled primer that offers superior bonding to marginally prepared rusty steel and tightly adhered old coatings. This high performance primer is ideal for corrosion resistance with a triple barrier mechanism of zinc, mio and urethane resin built into the dry film. It is suitable as a corrosion resistant primer under certain fireproofing systems. Contact your Tnemec representative for specific information.
Colors Grayish-Green
Primers Self-priming, 90G-1K97
Topcoats Series 27, 27WB, 66, L69, L69F, N69, N69F, V69, V69F, 73, 113, 114, 115, 161, 740, 750, 1028, 1029, 1074, 1074U, 1075, 1075U.
Note: If Series 394 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 394 has been exterior exposed for 3 days or longer and Series 113 is the specified topcoat. Note: Series 115 requires the use of Series 44-900 adhesion promoter when topcoating Series 394. Note: Certain topcoat colors may not provide one coat hiding depending on method of application. Contact your Tnemec representative.
Volume Solids 61.0 ± 2.0% (mixed)
Recommended DFT 2.5 to 3.5 mils (65 to 90 microns) per coat.
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. Curing time will vary with surface temperature, humidity and film thickness.
Note: When recoating Series 394 with itself, the minimum recoat time is 2 hours at 70°F (21°C).

With 44-710: The use of 44-710 can greatly reduce dry to handle cure times. Note: 44-710 Accelerator must be used when the surface temperature falls below 50°F (10°C).
Volatile Organic Compounds Unthinned: 2.76 lbs/gallon (331 grams/litre)
Thinned 10% (No. 2 or 3 Thinner): 3.18 lbs/gallon (381 grams/litre)
Thinned 10% (No. 49 Thinner): 2.76 lbs/gallon (331 grams/litre)
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
Theoretical Coverage 978 mil sq ft/gal (24.0 m²/L at 25 microns). See APPLICATION for coverage rates.
Number of Components One

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Series 394 PerimePrime was used as the primer at the Jean Lesage International Airport Terminal in Quebec City, Quebec, Canada.

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