Advertised as "gold leaf" - but what material is it really?

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Shipping costs and reliability for importing materials from China have become increasingly problematic. The material in question is marketed as "imitation gold leaf," but there are concerns about its quality and composition compared to European alternatives, which use copper and feel metallic. The Chinese version reportedly lacks a metallic feel when touched, raising questions about its actual material and production process. A suggestion was made to explore metallised film as a potential explanation. Understanding the differences in manufacturing methods could help identify a suitable local supplier.
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need help in recognizing and sourcing this material
I've been importing this material from China for years. However, shipping is getting more and more expensive, slow and unreliable. It would be a great to have a local manufacturer/supplier but I don't even know what it is. It is advertised as "imitation gold leaf" but... Imitation gold leaf from European suppliers is produced the same way like real gold leaf only gold is replaced by cooper. This Chinese one, when touched, it doesn't feel like metal. Does anyone have an idea what material it is and how it is produced?

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That's it. Thank you.
 

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