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EDUCATION & REFERENCE
Painting, Decals & Weathering Models Q&A
Mission Model paints are not waterproof?
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<blockquote data-quote="urumomo" data-source="post: 209562" data-attributes="member: 13239"><p>None of that makes sense chemically ( with the exception of allowing full cure ) . In short , it's nonsense .</p><p></p><p>Mission Model paints need to go down " wet " . If they go down too thin and dry ( like spraying too far away from the work ) they have bonding issues .</p><p>This exact thing occurred to me when I did the MM colors over the liquid masking on that BV-155 . That was a atop a base color of AK Real Color , atop Tamiya's rattlecan primer .</p><p>After I sprayed the colors down , I remembered that they don't do well sprayed down super light like I did and expected to have problems .</p><p>They did have weak to no adhesion . Even after a conservative cure time . Like days and days in the food dehydrator at 105 F .</p><p>I top-coated it with Liquitex Satin Varnish and continued on with no problems .</p><p>This continuation included liberal mopping of water-color as a wash so plenty of water was mopped all over the build repeatedly .</p><p>No issues with the paint coming up after the varnish anchored it . The varnish also cured days in the dehydrator prior to the water color assault .</p><p>There was also enamel pigment fixer applied to areas .</p><p></p><p>Other than this weakness , MM paints are fine -- but I've switched over to AK Real Colors .</p></blockquote><p></p>
[QUOTE="urumomo, post: 209562, member: 13239"] None of that makes sense chemically ( with the exception of allowing full cure ) . In short , it's nonsense . Mission Model paints need to go down " wet " . If they go down too thin and dry ( like spraying too far away from the work ) they have bonding issues . This exact thing occurred to me when I did the MM colors over the liquid masking on that BV-155 . That was a atop a base color of AK Real Color , atop Tamiya's rattlecan primer . After I sprayed the colors down , I remembered that they don't do well sprayed down super light like I did and expected to have problems . They did have weak to no adhesion . Even after a conservative cure time . Like days and days in the food dehydrator at 105 F . I top-coated it with Liquitex Satin Varnish and continued on with no problems . This continuation included liberal mopping of water-color as a wash so plenty of water was mopped all over the build repeatedly . No issues with the paint coming up after the varnish anchored it . The varnish also cured days in the dehydrator prior to the water color assault . There was also enamel pigment fixer applied to areas . Other than this weakness , MM paints are fine -- but I've switched over to AK Real Colors . [/QUOTE]
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EDUCATION & REFERENCE
Painting, Decals & Weathering Models Q&A
Mission Model paints are not waterproof?
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