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Vintage Star Wars Collecting
Vintage Collecting Chat
Yellowing bubbles - observations
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<blockquote data-quote="smarchitelli" data-source="post: 493925" data-attributes="member: 8629"><p>BTW, you probably already know this, but sun is not the only culprit of discoloration. In fact, a chemical known as Bromine is often the cause. Bromine is a flame retardant that was added to most plastics in the 80's and 90's. It is a brown color, which is what causes most of the 'yellowing' you see on the white figures. Perhaps Bromine was added to the actual packaging/bubbles as well?</p><p></p><p>That said, UV light does act as a catalyst for the chemical change that brings the Bromine atoms to the surface.</p></blockquote><p></p>
[QUOTE="smarchitelli, post: 493925, member: 8629"] BTW, you probably already know this, but sun is not the only culprit of discoloration. In fact, a chemical known as Bromine is often the cause. Bromine is a flame retardant that was added to most plastics in the 80's and 90's. It is a brown color, which is what causes most of the 'yellowing' you see on the white figures. Perhaps Bromine was added to the actual packaging/bubbles as well? That said, UV light does act as a catalyst for the chemical change that brings the Bromine atoms to the surface. [/QUOTE]
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Vintage Star Wars Collecting
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Yellowing bubbles - observations
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