OMEGA Investment Powder
OMEGA is a Premium Quality Investment Powder with the Highest Percentage of cristobalite, a Key Ingredient for Higher Melting Temperature gold Alloys including 21ct, 22ct , 18ct, White Yello gold, and Palladium white gold.
The thermal expansion, particle size distribution and greater permeability work to produce the optimum quality of casting.
Technical Specification
Use de-ionised water
Weigh water and powder
Slurry temperature 21°C
Leave for 90 minutes to stand before burnout
Water to Powder Ratio
Machine vacuum mixing 38:100
Hand mix then vacuum 40:100
| MACHINE VACUUM MIXING |
min. |
| Weigh out water & powder |
0 |
| Add powder to water |
| Mix under vacuum |
1 |
| Stop mixer and scrape blades |
0.5 |
| Mix under vacuum |
3.5 |
| Pour flasks |
2 |
| Vacuum flasks |
1 |
| Total time taken |
8 |
| HAND MIX THEN VACUUM |
min. |
| Weigh out water & powder |
0 |
| Add powder to water |
| Mix by hand |
1 |
| Mix with machine |
3 |
| Vacuum mixer bowl |
1 |
| Pour flasks |
1 |
| Vacuum flasks |
1 |
| Total time taken |
8 |