INVESTMENT POWDER
GOLD STAR 21
Sona22 is the result of years of research & development into the Indian jewellery market.
Sona22 represents the finest quality investment powder available into the Indian market and has a blend of the finest raw material of the highest quality to produce an investment powder that is most ideal for 18k and 22k gold giving the smoothest of surface finish, resulting in less polish time which in turn reduces metal loss.
Use the arrow on the right for more information






Technical Specification
Do not burnout above 630°C
Do not quench, only knock out when cold
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 | 0 |
Mix under vacuum | 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 | 0 |
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 |
Downloads
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Sona 22 (0.34 MB) |
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