-Mainly used in alloys, platinum, gold, silver, copper brass and other high temperature melting alloys.
-Resistance to high temperature up to 1700 degrees.
-Quartz crucibles should be in 150 centigrade drying box for over 30 minutes before using them.
-Before melting, put some borax to the bowl bottom to prevent sticking. Warm up gradually before use.

Specification:
Material: Quartz (Silica)
Max. Working Temperature: 1700C
Max. Capacity: 330ml
Outside Diameter: 139mm (5.47")
Height: 53mm (2.09")
Thickness: 7.5mm (0.24")