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cc>r cail 161-4 <br /> internationalnc <br /> Creative excellence for you! OPERATING BULLETIN <br /> CORAK 7 .1 3 <br /> Final Rinse for Iron and Zinc Phospha <br /> * COMPLETELY CHROMIUM FREE <br /> NOV 5 1991 <br /> * NON-STAINING * LODI <br /> * EXCEPTIONAL CORROSION PROTECTION _ METAL TECH. <br /> COMPARABLE TO CHROME <br /> CORAK 713 is an acidic liquid designed for use in the last stage of <br /> a typical iron or zinc phosphate process. Used as a final rinse, <br /> CORAK 713 will improve the salt spray and humidity resistance of <br /> subsequently applied organic finishes . <br /> OPERATING CONDITIONS <br /> Range Typical <br /> Concentration: 5-12 gal/1000 gal . 10 gal . <br /> Temperature: 120 - 135F. 120F. <br /> Time: 15 - 45 sec. 30 sec. <br /> pH, iron phosphate: 4 .7 - 5. 3 5 . 0 <br /> zinc phosphate: 4 . 2 - 4 . 8 4 . 5 <br /> TYPICAL PROCESS <br /> 1. Clean <br /> 2 . Rinse <br /> 3 . Iron or zinc phosphate treatment <br /> 4. Rinse <br /> 5 . Post-rinsing with CORAK. <br /> �COY'c3�. HEADQUARTERS:Waukegan, IL 60085 s(708)336-8100 <br /> iateraatiozLsL2= FOR INFORMATION, CALL TOLL FREE: 800-228-4646 <br /> To the best of our knowledge the information in this bulletin is true and accurate. However,since the application of the products described herein is beyond our <br /> control,both the products and the information are offered without guarantee as to their use.'We assume no liohiiity for incidental,consequential or direct damages <br /> of any kind,no matter what the cause, includin 3ligence. Nothing contained within this operating bull hall be taken as a recommendation to use any <br /> product in violation of any patent rights. 11*� �.-/ <br />