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Double Ring High Purity Graphite Crucible for Precious Metal Gold/ Silver Melting

2025-04-13 introduction 4430
SJ-1
Black
Round
Graphite Crucible
99.9%
1.78-1.85g/Cm³
Smelting
Wooden Box or Carton
ISO
Refractoriness> 2000
sanjing
Export-Specific Packaging
carbon
China
6903100000
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