Specification:
Name: Stone cartridges
Material: Molded of high-purity graphite

Size:
Carton: 57x42x11.5mm
Inner Box 1: 7.9 * 20.6 * 4.1mm (molten silver 0.25oz)
Inner box 2: 10.5 * 29.5 * 4.1mm (molten silver 0.5oz)
Inner box 3: 13.0 * 35.8 * 4.1mm (molten silver 1oz) (Size of the error + -0.1mm)

Features:
Thermal stability, corrosion resistance, impact resistance
Acid and alkali resistance, good thermal conductivity
Clean and environmentally friendly non-stick material, long life

Index:
Body density 1.80 g / cm3, the resistor 9 unm
Bending 45Mpa, 65Mpa compression
Ash content 0.1%, particle 43um

Uses:
1: melting gold and silver or other precious metals
2: test analysis equipment, or ingot mold, etc.

Package include:
1x Stone cartridges