SIAM CASTING POWDERS LTD.
SIAM CASTING POWDERS
SUPPLIES THE FINEST-QUALITY
INVESTMENT POWDERS AND
MATERIALS FOR THE LOCAL
CASTING INDUSTRIES
SCP - Products
INVESTMENT
POWDERS
POWDERS
Signature
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Investment Powders
Siam Casting Powders
Signature
SACK : 22.7 Kg
Drum : - 22.7 kg.
Signature is a high quality gypsum-bonded jewellery investment powder which
has been specially developed by SCP. team. It is an ideal investment powder for casting
silver and all yellow gold.
Product Detail
Signature
Signature can withstand the high temperature of White Gold
alloy up to 18 carat. Signature offers the following benefits to the jewellery caster:
High purity raw materials graded and selected especially for jewellery lost wax casting.
- • Increased refractoriness gives better thermal shock resistance during burnout and casting.
- • More user friendly able to perform in a wider set of parameters.
- • Suitable for all metals especially 18kt Gold or fine filigree work.
- • Smoother surface finish – less polishing required.
- • Can be used for casting both by the centrifugal or vacuum assisted methods
TYPICAL PROPERTIES
| 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% |
MIX PROCEDURE
| 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 |
