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4.52 <br />MACROPOXY® 646-100 <br />FAST CURE EPOXY <br /> PART A B58-620 SERIES PART B B58V620 HARDENER <br />Protective <br />& <br />Marine <br />Coatings <br />www.sherwin-williams.com/protective <br />SURFACE PREPARATION <br />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. <br />Refer to product Application Bulletin for detailed surface preparation in-formation.Minimum recommended surface preparation: Iron & Steel Atmospheric: SSPC-SP2/3 Immersion: SSPC-SP10/NACE 2, 2-3 mil (50-75 micron) profi le Aluminum: SSPC-SP1 Galvanizing: SSPC-SP1 Concrete & Masonry Atmospheric: SSPC-SP13/NACE 6, or ICRI No. 310.2, CSP 1-3 Immersion: SSPC-SP13/NACE 6-4.3.1 or 4.3.2, or <br /> ICRI No. 310.2, CSP 1-3 <br />Surface Preparation Standards <br />Condition of Surface ISO 8501-1BS7079:A1 Swedish Std.SIS055900 SSPC NACE <br />White Metal Sa 3 Sa 3 SP 5 1Near White Metal Sa 2.5 Sa 2.5 SP 10 2Commercial Blast Sa 2 Sa 2 SP 6 3Brush-Off Blast Sa 1 Sa 1 SP 7 4 <br />Hand Tool Cleaning Rusted C St 2 C St 2 SP 2 -Pitted & Rusted D St 2 D St 2 SP 2 - <br />Power Tool Cleaning Rusted C St 3 C St 3 SP 3 -Pitted & Rusted D St 3 D St 3 SP 3 - <br />TINTING <br />Tint Part A with Maxitoners at 150% strength. Five minutes minimum mixing <br />on a mechanical shaker is required for complete mixing of color. <br />Tinting is not recommended for immersion service. <br />APPLICATION CONDITIONS <br />Temperature: 40°F (4.5°C) minimum, 140°F (60°C) maximum (air, surface, and material) <br /> At least 5°F (2.8°C) above dew pointRelative humidity: 85% maximum <br />Refer to product Application Bulletin for detailed application information. <br />ORDERING INFORMATION <br />Packaging: Part A: 1 gallon (3.78L) and 5 gallon (18.9L) containers Part B: 1 gallon (3.78L) and 5 gallon (18.9L) containers <br />Weight: 13.24 ± 0.2 lb/gal ; 1.6 Kg/L <br /> mixed, may vary by color <br />SAFETY PRECAUTIONS <br />Refer to the MSDS sheet before use. <br />Published technical data and instructions are subject to change without notice. <br />Contact your Sherwin-Williams representative for additional technical data and <br />instructions. <br />WARRANTY <br />The Sherwin-Williams Company warrants our products to be free of manufactur- <br />ing defects in accord with applicable Sherwin-Williams quality control procedures. <br />Liability for products proven defective, if any, is limited to replacement of the defec- <br />tive product or the refund of the purchase price paid for the defective product as <br />determined by Sherwin-Williams. NO OTHER WARRANTY OR GUARANTEE <br />OF ANY KIND IS MADE BY SHERWIN-WILLIAMS, EXPRESSED OR IMPLIED, <br />STATUTORY, BY OPERATION OF LAW OR OTHERWISE, INCLUDING MER- <br />CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. <br />PRODUCT INFORMATION <br />RECOMMENDED SYSTEMS <br /> Dry Film Thickness / ct. <br /> Mils (Microns) <br />Immersion and atmospheric: <br />Steel: <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />Concrete/Masonry, smooth: <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />Concrete Block: <br />1 ct. Kem Cati-Coat HS Epoxy Filler/Sealer 10.0-20.0 (250-500) <br /> as needed to fi ll voids and provide a continuous substrate. <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />Atmospheric: <br />*Steel: <br />(Shop applied system, new construction, AWWA D102, can also be <br />used at 3 mils (75 microns) dft when used as an intermediate <br />coat as part of a multi-coat system) <br />1 ct. Macropoxy 646-100 Fast Cure Epoxy 3.0-6.0 (75-150) <br />1-2 cts. of recommended topcoat <br />Steel: <br />1 ct. Recoatable Epoxy Primer 4.0-6.0 (100-150) <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />Steel: <br />1 ct. Macropoxy 646-100 4.0-6.0 <br />1-2 cts. Acrolon 218 Polyurethane 3.0-6.0 (75-150) <br />or Hi-Solids Polyurethane 3.0-5.0 (75-125) <br />or SherThane 2K Urethane 2.0-4.0 (50-100) <br />Steel: <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />1-2 cts. Tile-Clad HS Epoxy 2.5-4.0 (63-100) <br />Steel: <br />1 ct. Zinc Clad II Plus 3.0-6.0 (75-150) <br />1 ct. Macropoxy 646-100 5.0-10.0 (125-250) <br />1-2 cts. Acrolon 218 Polyurethane 3.0-6.0 (75-150) <br />Steel: <br />1 ct. Zinc Clad III HS 3.0-5.0 (75-125) <br />or Zinc Clad IV 3.0-5.0 (75-125) <br />1 ct. Macropoxy 646-100 5.0-10.0 (125-250) <br />1-2 cts. Hi-Solids Polyurethane-100 3.0-6.0 (75-150) <br />Aluminum: <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />Galvanizing: <br />2 cts. Macropoxy 646-100 5.0-10.0 (125-250) <br />The systems listed above are representative of the product's use, other systems may be appropriate. <br />DISCLAIMER <br />The information and recommendations set forth in this Product Data Sheet are <br />based upon tests conducted by or on behalf of The Sherwin-Williams Company. <br />Such information and recommendations set forth herein are subject to change and <br />pertain to the product offered at the time of publication. Consult your Sherwin- <br />Williams representative to obtain the most recent Product Data Information and <br />Application Bulletin.