GOLD MELTING BASIN Ceramic Fire Clay Fire Assay Crucibles
Fire Assay Crucibles have a higher than normal resistency to cracking under fire assay conditions. Our cruciblesand refractory products are used in laboratories throughout international marketplace. We have a variety of shapes
and sizes available to cater to specifications required.
Our crucibles give longer life, faster melting, constant melting speed and exceptional resistance to violent changes
of temperature.
Applications
Precious Metal Analysis
Mining Laboratory
Laboratory Testing
Mineral Assaying
Fire Assaying
Gold Assaying
Features
Long Lasting, can be used many times
High mechanical strength designed to withstand severe thermal shocks
Special formula, curing and pressing process
Multi-use crucible
Can withstand extremely corrosive fire assay environments
Can withstand repetitive thermal shocks from 1300 degree celcius to room temperature.
Chemical Composition
| SiO2 | 54.6% |
| Al2O3 | 40.31% |
| Fe2O3 | 1.11% |
| TiO2 | 0.47% |
| CaO | 1.28% |
| MgO | 0.34% |
| K2O | 0.61% |
| Na2O | 0.39% |
| L.O.I(loss on ignition) | 0.21% |
Standard size :
| Item | OD(mm) | ID(mm) | Outside height (mm) | Inside height (mm) | Bottom OD (mm) | Capacity |
| XTL-1 | 85 | 76 | 105 | 85 | 55 | 200ml |
| XTL-2 | 90 | 78 | 105 | 85 | 55 | 245ml |
| XTL-3A | 93 | 80 | 115 | 95 | 55 | 295ml |
| XTL-3B | 95 | 80 | 125 | 105 | 55 | 345ml |
| XTL-4 | 93 | 82 | 135 | 110 | 55 | 380ml |
| XTL-5 | 93 | 82 | 135 | 115 | 55 | 370ml |
| XTL-G5 | 90 | 80 | 155 | 136 | 55 | 380ml |
| XTL-6 | 95 | 83 | 140 | 118 | 48 | 390ml |
| XTL-4A | 80 | 62 | 130 | 110 | 42 | 310ml |
| XTL-5A | 90 | 82 | 132 | 120 | 55 | 330ml |
| XTL-5B | 88 | 80 | 132 | 118 | 50 | 325ml |
| XTL-6A | 108 | 90 | 140 | 125 | 55 | 630ml |
| XTL-8A | 110 | 95 | 155 | 135 | 55 | 710ml |
| XTL-8B | 105 | 95 | 155 | 132 | 55 | 680ml |
| XTL-8C | 90 | 84 | 165 | 150 | 55 | 430ml |
| XTL-9 | 120 | 110 | 160 | 140 | 75 | 750ml |
1.Refractoriness: 1650 centigrade degrees
2.Refractoriness under load: 1420 centigrade degrees
3.We can supply the products according to customer's drawings, samples and performance requirement.
Enquiries welcomed !