Product Description
Fire Assay Crucibles have a higher than normal resistency to cracking under fire assay conditions. Our crucibles and 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
Crucible used for lab
We have several sizes in supply, please kindly see below,
Note: This product can be customized according to customers' requirements.
Detailed Photos
As a rule of thumb, Fire Assay crucibles have a superior quality and offer many advantages:
Great mechanical strength, and Strong thermal shock resistance
Long lasting, can be used many times
Professional formula modulation and and pressing process
Strong corrosion resistance
Strong resistance to repeated thermal shock
Perfect uniformity of Quality of cupels
Quality and performance are continuously improved
Product Parameters
| Typical Chemical Analysis |
| SiO2 | 69.84% |
| Al2O3 | 28% |
| CaO | 0.14 |
| Fe2O3 | 1.90 |
| Normal temperature | 1200ºC |
| Max. temperature | 1250ºC |
| Refractory under load | 1430ºC |
| Specific Gravity: | 2.3 |
| Porosity: | 25%-26% |
| Usage times: | 3-5 times |
China
