SIAM CASTING POWDERS LTD.

SIAM CASTING POWDERS SUPPLIES THE FINEST-QUALITY INVESTMENT POWDERS AND MATERIALS FOR THE LOCAL CASTING INDUSTRIES

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all products / Investment Powders

INVESTMENT
POWDERS

Hydrocast

Investment Powders

Siam Casting Powders

Hydrocast

SACK : 22.5 kg.

Drum : 22.5 kg.

Hydro Cast is used for high quality of silver and brass casting in exacting circumstances and is ideal in situations where high quality is required at a more
economical price.

Please contact us.

Product Detail

Hydrocast

• Blend easily to a very smooth creamy consistency.
• Enable easy air elimination thus eliminating nodules on the castings.
• Achieve fast, clean burn-outs.
• Form a strong, permeable mould suitable for either vacuum assisted or centrifugal casting.
• Give castings with smooth surfaces, sharp definition and dimensional accuracy.

Powder / Water Ratio :	100/38
Working Time @ 25c Slurry Temp :	8-9 min.
Gloss Off Time @ 25c Slurry Temp :	12 – 14 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