Lab grown emeralds are mae by hydrothermal process, so it also called hydrothermal colombian emerald. This process uses water solution at high temperatures and it takes months to form a emerald rough.
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Antiscorching agent PVI(CTP)
Cas No.: 17796-82-6
Chemical Name: N-(cyclohexylthio)Phthalimide
Einecs No.: 241-774-1
Be used in natural rubber and synthetic rubber, can effectively prevent the
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Foshan Huiyi Packaging Product Co.,Ltd: A professional manufacturer of beautiful jewelry packaging boxes of all kinds. Specialize in all kinds of jewelry boxes and gift boxes. Variety of products.
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Guangzhou Pliertuile New Material Co., Ltd.: Pliertuile stone tiles of travertine, slate, rockface stone, sandstone, split rock stone,granite,stack stone, limestone, and marble series products are
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