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Truffle's Treasures

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Polymer Clay Issues

Yellowed beads

yellowbeads.jpg

Note the contrast in the color of these beads.  The yellowed ones went through several cycles in a tumbler.  The tumbler I used is called a "Chicago".  I suspect the yellowing comes from the chemical properties inside the rubber barrel of the tumbler.  It has a very strong petroleum rubber smell.  The chemicals have probably leached into the beads somehow.  I will now have to hand sand all these beads.  Unfortunately there are over 100 of them!