KING High Purity Jewelry Tools Graphite Melting Crucible Casting With Lid Cover

High Purity Jewelry Tools Graphite Melting Crucible Casting With Lid Cover
1/2/3KG Foundry Clay Graphite Crucibles Cup High-Temperature Gold Silver Metal Smelting Graphite Crucible Casting Cups

Features:
Well thermal stability: according to the using conditions of graphite crucible snap heat and cold.
Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality.
Well resistance to strong acid, strong alkali.
Good heat transfer performance of graphite crucible: for greatly shorten the melting for time and save energy.
And certain strain resistance to the thermal shock, quenching.
Long service life.

Specifications:
Main material: graphite
The weight of gold that can be loaded: 1KG, 2KG, 3KG (optional)
The inner diameter of the crucible:
1kg: 38mm
2kg: 44mm
3kg: 50mm
The outer diameter of the crucible:
1kg: 50mm
2kg: 55mm
3kg: 60mm
The outer diameter of the large ring:
1kg: 65mm
2kg: 72mm
3kg: 75mm
The inner height:
1kg: 115mm
2kg: 140mm
3kg: 150mm
The outer height:
1kg: 125mm
2kg: 155mm
3kg: 170mm
Item weight:
1kg: 140g / 4.9oz
2kg: 330g / 11.6oz
3kg: 360g / 12.7oz
Package size:
1kg: 15 ×10 ×10cm / 5.9× 3.9 ×3.9in
2kg: 17.5 ×10 ×10cm / 6.9×3.9 × 3.9in
3kg: 20 × 10 × 10cm / 7.9 × 3.9 × 3.9in
Package weight:
1kg: 160g / 5.6oz
2kg: 350g / 12.3oz
3kg: 380g / 13.4oz

Package list:
1 × Graphite Crucible