CORROSION MITIGATION IN BALCONY REPAIRS What is ...

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Effectiveness of Various Protection Materials on Active Corrosion Urethane Membrane Silane/Acrylic Cementitious Coating Tested at 60% Relative Humidity Silane Sealer <strong>CORROSION</strong> <strong>IN</strong>HIBITOR Tested at 85% Relative Humidity 0 20 40 60 80 100 % Reduction in Corrosion Conventional protection methods may prevent corrosion, but they are not as effective on active corrosion 04.11.2004 31 Silanes: Made with Different Functionality (C 2 H 5 O) 3 Si Alkyltrialkoxysilane Hydrophobic Effect H 2 N Si(OC 2 H 5 ) 3 Aminoalkyltrialkoxysilane Corrosion inhibitor F C 3 CF 2 CF2 CF 2 CF2 CF 2 CH2 CH 2 Si(OC2 H 5 ) 3 FluoroAlkyltrialkoxysilane R f Anti-Graffiti, Easy to Clean R f O Si O X H O O Si Si O O Si O O Si Si O Silane Molecule Substrate e.g. Concrete 04.11.2004 32
Corrosion Inhibitors • Inorganic Inhibitors • Organic Inhibitors • Cathodic • Anodic • Mixed Corrosion inhibitors are used to prevent or delay corrosion of metals exposed to corrosive environments. Cathodic inhibitors decrease cathodic corrosion reaction. Anodic inhibitors decrease anodic corrosion reaction. Mixed inhibitors decrease cathodic and anodic corrosion reaction. 04.11.2004 33 Corrosion Continuing 04.11.2004 34
Page 1 and 2: CORROSION MITIGATION IN BALCONY REP
Page 3 and 4: DISSIMILAR METALS BASIC TERMINOLGY
Page 5 and 6: BASIC TERMINOLOGY • ANODE: Electr
Page 7 and 8: CORROSION: What Do You Need? • St
Page 9 and 10: CORROSION CONTROL OPTIONS Restorati
Page 11 and 12: 04.11.2004 21 GALVANIC PROTECTION Z
Page 13 and 14: PERIMETER REPAIRS REPAIR MORTARS wi
Page 15: GALVANIC PROTECTION Anodes Need Con
Page 19 and 20: SURFACE APPLIED CORROSION INHIBITOR
Page 21 and 22: BUT WAIT….. • WHAT ABOUT CRACKS
Page 23: THANK YOU! THANK YOU. BASF Construc

CORROSION MITIGATION IN BALCONY REPAIRS What is ...

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