small size arc crucible

use for Gold Refine, Platinum Melting...

uv block quartz tube

UV Blocked quartz tube Add cerium to quartz tube can ef ...

ozone free quartz tube

Ozone free quartz tube is used for making “Ozone free” ...

translucent quartz tube

Milky quartz tube/ Opaque quartz tube/ Satin silica gla ...
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