TT-P-645B Protective PRIMER, ZINC MOLYBDATE, ALKYD, F-84 & Marine Coatings Y N42Y100 ELLOW WHITE N42WB100 Revised 8/10 9.21 PRODUCT DESCRIPTION RECOMMENDED USES TT-P-645 is a zinc molybdate, alkyd primer formulated for use as a general primer for applications to steel and aluminum. This product complies with Military Specication TT-P-645, Formula 84. For use on prepared steel and aluminum in marine and industrial environments: • Marine Vessels - interior and exterior • Offshore platforms PERFORMANCE CHARACTERISTICS PRODUCT CHARACTERISTICS Finish: Flat • Complies with Military Specication TT-P-645, Formula 84 Color: Yellow and White Color Yellow Volume Solids: 56% minimum Weight Solids: 78.8% minimum VOC (EPA Method 24): <340 g/L; 2.8 lb/gal, maximum Product/Rex Number N42Y100 Recommended Spreading Rate per coat: Wet mils (microns) Dry mils (microns) ~Coverage sq ft/gal (m2/L) Minimum 3.0 75 1.75 45 250 6.1 Maximum 6.0 150 3.5 88 500 12.2 Theoretical coverage sq ft/gal 896 21.9 (m2/L) @ 1 mil / 25 microns dft NOTE: Brush or roll application may require multiple coats to achieve maximum lm thickness and uniformity of appearance. Drying Schedule @ 3.0 mils wet (75 microns): @ 50°F/10°C To touch: To recoat: To cure: @ 77°F/25°C 50% RH @ 100°F/38°C 8 hours 10 hours 14 days 4-6 hours 6-8 hours 14 days 1 hours 6 hours 3 days Drying time is temperature, humidity, and lm thickness dependent. Shelf Life: Flash Point: Reducer: Clean Up: 12 months, unopened Store indoors at 40°F (4.5°C) to 100°F (38°C) 100°F (38°C) SETA Flash Not recommended Mineral Spirits, R1K4 www.sherwin-williams.com/protective continued on back

TT-P-645B Protective PRIMER, ZINC MOLYBDATE, ALKYD, F-84 & Marine Coatings Y N42Y100 ELLOW WHITE N42WB100 PRODUCT INFORMATION SURFACE PREPARATION RECOMMENDED SYSTEMS Dry Film Thickness / ct. Mils (Microns) Steel or Aluminum: 1 ct. TT-P-645 1-2 cts. Mil-PRF-24635 9.21 1.75-3.5 (45-88) 1.5-2.0 (40-50) Surface must be clean, dry, and in sound condition. Remove all oil, dust, grease, dirt, loose rust, and other foreign material to ensure adequate adhesion. Refer to product Application Bulletin for detailed surface preparation information. Steel or Aluminum: 1 ct. TT-P-645 1-2 cts. DOD-E-24607 1.75-3.5...

TT-P-645B Protective PRIMER, ZINC MOLYBDATE, ALKYD, F-84 & Marine Coatings Y N42Y100 ELLOW WHITE APPLICATION BULLETIN APPLICATION PROCEDURES N42WB100 9.21 PERFORMANCE TIPS Surface preparation must be completed as indicated. Stripe coat crevices, welds, and sharp angles to prevent early failure in these areas. Mixing Instructions: Mix paint thoroughly with low speed power When using spray application, use a 50% overlap with each pass agitation prior to use. of the gun to avoid holidays, bare areas, and pinholes. If necessary, Apply paint at the recommended lm thickness and spreading cross spray...