China Factory Magnesia Cupel Crucibles for Gold Melting, Find details about China Fire Assaying Crucibles, Clay Fire Assay Crucible from Factory Magnesia Cupel Crucibles for Gold Melting
Factory magnesia cupel crucibles for gold melting$0.25-$0.50 / Piece
Usage
1. Long Lasting, can be used many times
2. High mechanical strength designed to withstand severe thermal Shocks
3. Special formula, curing and pressing process
4. Multi-use crucible
5. Can withstand extremely corrosive fire assay environments
6. Can withstand repetitive thermal shocks from 1800 degree celcius to room temperature
Magnesia: ≥ 93%
Property: High refractoriness, rapid absorption, and recovery rate of 97% -98.5%, easy to use, without milling.
Item no. | Height ( mm ) | Diameter at top ( mm ) | Diameter at bottom ( mm ) | Depth of valley ( mm ) |
RY-MA | 35 | 40 | 40 | 16 |
RY-MB | 26 | 36 | 36 | 15 |
RY-MC | 35 | 30 | 30 | 15 |
RY-MD | 20 | 25 | 25 | 8 |
RY-M/GF | 22 | 23 | 18 | 7 |
RY-M/GA | 28 | 40 | 30 | 8 |
RY-M/GB | 30 | 40 | 30 | 15 |
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 |