Critical Issues for Chrome-free Pretreatment of Aluminium Alloys
Critical Issues for Chrome-free Pretreatment of Aluminium Alloys
Critical Issues for Chrome-free Pretreatment of Aluminium Alloys
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<strong>Critical</strong> <strong>Issues</strong> <strong>for</strong> <strong>Chrome</strong>-<strong>free</strong> <strong>Pretreatment</strong> <strong>of</strong> <strong>Aluminium</strong> <strong>Alloys</strong><br />
Fili<strong>for</strong>m corrosion test results (1000 h Lockheed) :<br />
Samples <strong>of</strong> AA6111 given AC phosphoric acid clean + spin-coat pre-treatment <strong>of</strong><br />
different silane solutions.<br />
No pretreatment<br />
Chromated<br />
BTSE<br />
Silquest A-187 Coatosil 1770 Silquest A-1100 Silquest VS-142<br />
10 mm<br />
International Conference on Environmental friendly <strong>Pretreatment</strong>s fo <strong>Aluminium</strong> and other Metals, Oslo, Norway, June 16-18, 2004
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