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At or near the final stages of production, the material is treated with a chain extender. Typically, chain extenders are bifunctional, i.e., they have two functional groups, which can link together two polymers. Representative classes of chain extenders are diglycidyl ethers, diols, diamines, or dianhydrides. Chain extenders are often applied ...
This abbreviation is incompatible with FTC guidelines, which require clear labeling of the gold content and fineness (e.g., 1/20 14K GF). [3] Most high quality gold-filled pieces have the same appearance as high carat gold, and gold-filled items, even with daily wear, can last 10 to 30 years though the layer of gold will eventually wear off ...
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"Gold Chains" is a song by Ghanaian-Australian singer, Genesis Owusu, released on 19 February 2021 as the fourth single from Owusu's debut studio album, Smiling with No Teeth. Upon release, Owusu said the track was one of the first written for the album and lyrically, set the tone for the rest of the record.