SIAM CASTING POWDERS LTD.
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SCP - Products
INVESTMENT
POWDERS
POWDERS
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Investment Powders
Siam Casting Powders
Professional
SACK : 22.5 kg. (50 lb.)
Drum : 22.7 kg.
Professional has been our greatest volume investment powder over the last decade, with a proven track record of success.
Product Detail
Professional
Professional will meet the demands of casting Silver and Yellow Gold up to 18ct. This competitively priced product produces excellent surface finish, strong mold, and “clean off” the casting easily.
Technical Data
| Powder / Water Ratio : | 100/38 |
| Working Time @ 25c Slurry Temp : | 8-9 min. |
| Gloss Off Time @ 25c Slurry Temp : | 11 – 13 min. |
| Thermal Expansion At 750c : | 1.2% |
WATER TO POWDER RATIO
| Machine Vacuum Mixing | 38 : 100 |
| Hand Mix Then Vacuum | 38 : 100 |
| Use de-ionised water Weigh water and powder Slurry temperature 21 ํC Leave for 90 min to stand before burn out |
| MACHINE VACUUM MIXING | |
|---|---|
| 0 min | Weigh out water & powder Add powder to water |
| 1 min | Mix under vacuum |
| 0.5 min | Stop mixer and scrape blades |
| 3.5 min | Mix under vacuum |
| 2 min | Pour flasks |
| 1 min | Vacuum flasks |
| 8 min | Total time taken |
| HAND MIX THEN VACUUM | |
|---|---|
| 0 min | Weigh out water & powder Add powder to water |
| 1 min | Mix by hand |
| 3 min | Mix with machine |
| 1 min | Vacuum mixer bowl |
| 1 min | Pour flasks |
| 2 min | Vacuum flasks |
| 8 min | Total time taken |
