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Contact Supplier| Content | Potash Feldspar | |||
|---|---|---|---|---|
| UMPF1 | UMPF2 | UMPF3 | UMPF4 | |
| Na2O | 10 | 9 | 7 | 3 |
| K2O | < 1 | < 1 | < 1 | 4 |
| Cao | < 1 | < 1 | < 1 | < 1 |
| SiO2 | 70±1 | 70±1 | 70±1 | 70±1 |
| L-Value | 65 | 60 | 55 | 55 |
| a-Value | <3 | <3 | <4 | <4 |
| b-Value | <11 | <12 | <13 | <13 |
| Shrinkage (%) | >12 | >12 | >12 | >12 |
Note: All above parameters are analyzed after firing 200# powder at 1208/1210ºC with 60 min firing cycle in ceramic furnace.