Ceramic Fire Assay Crucibles And Cupels For Gold Assaying
I. CLASSIFICATION
NOT CLASSIFIED AS A HAZARD ACCORDING TO WORKSAFE
II. THE PRODUCT USE
For laboratory refining of gold ore components
III. MAIN COMPONENTS OF RAW MATERIALS
Main components of raw materials: Kaolin, bauxite, talc
IV. MAIN MINERAL COMPOSITION OF CRUCIBLE
The main mineral composition Crucible: Cordierite, mullite, silicon oxide
V. MANUFACTURING PROCESS
Memo: Custom-made is available
Typical properties
Refractoriness 1650 centigrade
Refractoiness under load 1420 centigrade
Al2O3 36%-46%
SiO2 45%-56%
Fe2O3 ≤ 1%
Characteristics: Strong refractoriness and corrosion resistance, impervious and not craze, excluding gold and silver elements, more accurate test results.
The average serial can be used for 2-3 times, the export serial can be used for 3-5 times
| model | OD(mm) | ID(mm) | Outside height (mm) | Inside height (mm) | bottom OD (mm) | Memo |
| RY-1 | 80 | 70 | 80 | 66 | 55 | |
| RY-2 | 90 | 78 | 105 | 85 | 55 | |
| RY-3A | 93 | 80 | 115 | 95 | 55 | |
| RY-3B | 95 | 80 | 125 | 105 | 55 | |
| RY-4 | 93 | 82 | 135 | 110 | 55 | |
| RY-5 | 93 | 82 | 135 | 115 | 55 | |
| RY-G5 | 90 | 80 | 155 | 136 | 55 | |
| RY-6 | 95 | 83 | 140 | 118 | 48 | |
| RY-CK4A | 80 | 62 | 130 | 110 | 42 | export,thick |
| RY-CK5A | 90 | 82 | 132 | 120 | 55 | export,thin |
| RY-CK5B | 88 | 80 | 132 | 118 | 50 | export,thin |
| RY-CK6A | 108 | 90 | 140 | 125 | 55 | export,Bilateral |
| RY-CK8A | 110 | 95 | 155 | 135 | 55 | export,Bilateral |
| RY-CK8B | 105 | 95 | 155 | 132 | 55 | export,thick |
| RY-CK8C | 90 | 84 | 165 | 150 | 55 | export,thin |
