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Information About Me. Louis Farkas Worked for BASF Corporation of 14 years Electrocoat tech service representative Plant tech service representative at JNAP. Brief History of Electrocoat. Electrocoat’s “Green” Aspects. Waterborne paint system Almost 100% transfer efficiency
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Information About Me • Louis Farkas • Worked for BASF Corporation of 14 years • Electrocoat tech service representative • Plant tech service representative at JNAP
Electrocoat’s “Green” Aspects • Waterborne paint system • Almost 100% transfer efficiency • Ultrafiltration and Closed Loop process • 1-3% VOC • Lead free • Reduced to no HAP’s
Electrocoat Formulation Physical Constants Initial Bath Constants
Formulation Steps • Step 1: calculate gNV of bath • 2000g x 0.19 = 380gNV • Step 2: calculate gNV of Paste needed • (380gNV/(1.25/.25))*(3.5/2.5) = 106.4gNV • Step 3: calculate gNV of Resin Emulsion needed • 380gNV-106.4gNV paste = 273.6gNV resin
Formulation Steps • Step 4: calculate grams of paste and resin to be added • 106.4gNV paste/0.60 = 177.3g paste • 273.6gNV resin/0.34 = 804.7g resin • Step 5: calculate grams of deionized water to be added • 2000g-(804.7g+177.3g) = 1018.0g