April 2, 2023

Can You De-Yellow Plastic With Just The Sun?

Perifractic’s Retro Recipes just posted a video that asks if you can de-yellow plastic without “retrobright” and just using the sun.  He contacted “a few scientists that have worked on plastic polymer degradation issues for decades” for input on his testing.  The scientists said that on average, only the top 35 micrometers of the plastic […]

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