PM size Magnesia Refractory Cupel Crucible Cupellation Gold Purity Assaying Sample Melting Gold Melting Laboratory

- Size: PM

- Made of high quality magnesium oxide

- No spitting of lead

- Able to absorb a charge of approximately 70% of their weight

- Beads of assaying sample can be remove easily

- Robust mechanical strength

- High durability and heat resistant.

- Outer Diameter, D: 27.0mm

- Diameter of Cup, D1: 23.4mm

- Diameter of Base, D2: 26.8mm

- Width of Ridge, W/R: 1.80mm

- Height of Cupel: 24.0mm

- Depth of Cup: 8.0 mm

- Weight per Piece: Approximately 27.5mm