150Kg vòng Crucible cho nóng chảy đồng dẫn nhiệt lên đến 1650 ° C kháng

Video Description:
Discover the Durable Graphite Silver Casting Crucible, perfect for melting silver with heat conductivity up to 1650℃. Resistant to acids and alkalis, this crucible is compatible with propane, butane, and natural gas, making it ideal for jewelry making and metal casting projects.