Product Introduction
ceramic crucible with spout is used for melting large volume of precious metals, such as Gold, Silver, Bronze, Copper, Brass and more.
Crucible has a 80 Troy oz. / 2,488 Grams capacity is made of fused silica, can withstand temperatures up to 2500°F / 1371°C.
Crucible can be used with a gas melting furnace or torch melting. A superior quality crucible, made of clay bonded High Grade Fused Silica, extending the life of usage of the Crucible. A wall thickness that is heavier than other similar types (1/4" - 6.4mm).
This crucible may be used for melting scrap metals into Ingots as well as pouring metal in lost wax casting operations for vacuum assist castings machine.
Features:
Al2O 45%-55%
SiO2 38%-56%
Fe2O3 ≤1%
1. High refractoriness,no cracking;
2. Good corrosion resistance;
3. Good thermal shock resistance;
4. No hanging residue, impermeable,the export series can use 3-5 times,it is the superduper container for fire assay.
Applications
Precious Metal Analysis
Mining Laboratory
Laboratory Testing
Mineral Assaying
Fire Assaying
Gold Assaying
Crucible used for lab
Chemical Composition
Item | Data |
SiO2 | 54.6% |
Al2O3 | 40.31% |
Fe2O3 | 1.11% |
TiO2 | 0.47% |
CaO | 1.28% |
MgO | 0.34% |
K2O | 0.61% |
L.O.I(loss on ignition) | 0.21% |