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Gemstones, Minerals & Fossils
Lapidary
Finished stone damaged when removing from dop
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<blockquote data-quote="Pat Hogen" data-source="post: 542852" data-attributes="member: 11720"><p>"JB Were Kwik"- really powerful stuff Bullwinkle, the hotter the glue gets the harder the grip gets. I only use Loctite "Precision" super glue, a small dot in or on a dop, allow to set for an hour or two, bond over with Tite-on or a similar two part. </p><p>To remove, warm the dop in a gas flame (cigarette lighter) with a piece of wet chamois to grip the stone, remove the heat, wait 30 seconds and pass the flame along the dop again to heat the bond in the dop, give the stone a small twist to see if it moves, if it doesn't give a bit more heat along the dop until it moves. The stone should clear from the dop and leave any dopping mix behind. If you need to clean a stone do so with a debonder that can be obtained from a shop that sells ZAP used on the model planes and boats and cars, otherwise nail polish remover or acetone does a useful job of sorts. Keep that Zap away from the olfactory organ. :| A bladed knife as in a box cutter is very handy for scraping the glue off if needs be.</p></blockquote><p></p>
[QUOTE="Pat Hogen, post: 542852, member: 11720"] "JB Were Kwik"- really powerful stuff Bullwinkle, the hotter the glue gets the harder the grip gets. I only use Loctite "Precision" super glue, a small dot in or on a dop, allow to set for an hour or two, bond over with Tite-on or a similar two part. To remove, warm the dop in a gas flame (cigarette lighter) with a piece of wet chamois to grip the stone, remove the heat, wait 30 seconds and pass the flame along the dop again to heat the bond in the dop, give the stone a small twist to see if it moves, if it doesn't give a bit more heat along the dop until it moves. The stone should clear from the dop and leave any dopping mix behind. If you need to clean a stone do so with a debonder that can be obtained from a shop that sells ZAP used on the model planes and boats and cars, otherwise nail polish remover or acetone does a useful job of sorts. Keep that Zap away from the olfactory organ. :| A bladed knife as in a box cutter is very handy for scraping the glue off if needs be. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Finished stone damaged when removing from dop
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