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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Best Paint Finish for Girdraulics?
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<blockquote data-quote="Jim Bush" data-source="post: 165382" data-attributes="member: 3807"><p>Yes,it does oxidize quickly. The manufacturer recommend application of primer within 4 hours of blasting.</p><p></p><p><em><span style="font-size: 12px">Surface Preparation:</span></em></p><p><span style="font-size: 12px"><em>Option 1: Sanding</em></span></p><p><span style="font-size: 12px"><em>1. Once the Aluminum surface has properly dried from using Degreaser 10, mechanically sand the surface with 80-</em></span></p><p><span style="font-size: 12px"><em>120 grit for primers or primer surfacers or 180 grit-240 grit for low build primer sealers. A maroon nylon scuffing</em></span></p><p><span style="font-size: 12px"><em>pad can be used in hard to reach areas.</em></span></p><p><span style="font-size: 12px"><em>2. Once sanded, the primer or primer sealer must be applied within 4 hours to achieve optimal adhesion.</em></span></p><p><span style="font-size: 12px"><em>If the time between sanding and priming exceeds 4 Hours, the surface should be resanded.</em></span></p><p><span style="font-size: 12px"><em></em></span></p><p><span style="font-size: 12px"><em>Option 2: Sandblasting</em></span></p><p><span style="font-size: 12px"><em>1. Aluminum surfaces (Thick Wall) can be grit blasted as per Steel Structures Painting Counsel SSPC-SP6</em></span></p><p><span style="font-size: 12px"><em>Commercial Blast cleaning. Do not use steel shot or grit.</em></span></p><p><span style="font-size: 12px"><em>2. Remove any high profiles on the sandblasted aluminum by scuff sanding with 80 – 100 grit sandpaper prior to</em></span></p><p><span style="font-size: 12px"><em>application of the primer.</em></span></p><p><span style="font-size: 12px"><em>3. A minimum blast profile of 1.5 -2.5 mils is recommended for best primer adhesion</em></span></p><p><span style="font-size: 12px"><em><strong>Aluminum oxidizes quickly, If the time between sandblasting and priming exceeds 4 Hours, the aluminum surface should be</strong></em></span></p><p><span style="font-size: 12px"><em><strong>brush blasted to refresh the surface.</strong></em></span></p><p></p><p><em><span style="font-size: 12px">Adhesion loss of paint finishes are generally the result of poor surface preparation.</span></em></p></blockquote><p></p>
[QUOTE="Jim Bush, post: 165382, member: 3807"] Yes,it does oxidize quickly. The manufacturer recommend application of primer within 4 hours of blasting. [I][SIZE=3]Surface Preparation:[/SIZE][/I] [SIZE=3][I]Option 1: Sanding 1. Once the Aluminum surface has properly dried from using Degreaser 10, mechanically sand the surface with 80- 120 grit for primers or primer surfacers or 180 grit-240 grit for low build primer sealers. A maroon nylon scuffing pad can be used in hard to reach areas. 2. Once sanded, the primer or primer sealer must be applied within 4 hours to achieve optimal adhesion. If the time between sanding and priming exceeds 4 Hours, the surface should be resanded. Option 2: Sandblasting 1. Aluminum surfaces (Thick Wall) can be grit blasted as per Steel Structures Painting Counsel SSPC-SP6 Commercial Blast cleaning. Do not use steel shot or grit. 2. Remove any high profiles on the sandblasted aluminum by scuff sanding with 80 – 100 grit sandpaper prior to application of the primer. 3. A minimum blast profile of 1.5 -2.5 mils is recommended for best primer adhesion [B]Aluminum oxidizes quickly, If the time between sandblasting and priming exceeds 4 Hours, the aluminum surface should be brush blasted to refresh the surface.[/B][/I][/SIZE] [I][SIZE=3]Adhesion loss of paint finishes are generally the result of poor surface preparation.[/SIZE][/I] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Best Paint Finish for Girdraulics?
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