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I () <br />ZURQUI <br />Construction Services, Inc PHONE & FAX PROJECT MANAGER I EMAIL <br />+305- 221 -6100 Eddy Gonzales Jr <br />+305- 221 -6110 Eddy@zurquis.com <br />D. All steel parts shall be primed for rust protection and finished with a <br />minimum 3.5 mil thick UV- inhibited weather resistant powder coating. <br />E. Characteristics: Powder used in the powder -coat process shall have the following <br />characteristics: <br />N.3.1 <br />Specific gravity <br />1.68 + / -0.05 <br />N.3.2 <br />Theoretical coverage <br />114+/- 4 ft 2 /lb /mil <br />N.3.3 <br />Mass loss during cure <br />< 1% <br />N.3.4 <br />Maximum storage temperature <br />75 degrees F <br />E. Powder - coating shall ineet the follo-,N•ing tests: <br />ASTM <br />Gloss at 60 degree <br />85 -95 <br />HOI TM 10.219 <br />PCI Powder smootimess <br />7 <br />ASTM D2454 -91 <br />Over -bake resistance time <br />200% <br />ASTM D3363 -92A <br />Pencil hardness <br />H -2H <br />ASTM D2794 -93 <br />Dir/Rev Impact, Gardner <br />140/140 in/lbs <br />ASTM D3359 -95B <br />Adhesion, cross hatch <br />5B Pass <br />ASTM D522 -93A <br />Flexibility Mandrel <br />1/4" dia. No fracture <br />ASTM B1 17 -95 <br />Salt Spray <br />1,000 hours <br />UL DtOV2 <br />Organic coating steel enclosures, elect e . <br />Recognized <br />F. Application Criteria <br />N.5.1 <br />Electrostaticspray cold <br />Substrate:0.032 in. CRS <br />N.5.2 <br />Cure Schedule <br />10 minutes at 400 degrees F <br />N.5.3 <br />Pretreatment <br />Bonderite 1000 <br />N.5.4 <br />Film Thickness <br />3.5 Mils <br />1.05 WELDING <br />A. All shop welds shall be executed in accordance with the latest edition of the <br />American Welding Society Specifications. <br />N <br />