SIAM CASTING POWDERS LTD.

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all products / Investment Powders

INVESTMENT
POWDERS

Investment Powders

Siam Casting Powders

Ultimate

SACK : 22.5 kg. (50 lb.)

Drum : 22.7 kg.

Our new exceptional investment powder which can be used on all metals and in particular on gold up to 18Ct. ULTIMATE give smooth creamy consistency during mixing and pouring. It will give a superior surface finish after casting. ULTIMATE breaks away and cleans easily after casting

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Product Detail

Ultimate

used for high quality gold casting in exacting circumstances and is ideal in situations where top quality is required at a more economical price that is why ULTIMATE has been tried and tested by jewelry manufacturers worldwide.

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%

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