GEMCAST
INVESTMENT POWDER
Gemcast™
SPECIAL APPLICATION POWDER FOR STONE-IN-PLACE CASTING OR WAX SETTING
Gemcast can be relied on for highly effective solutions for stone-in-place castings because it is Whipmix who pioneered the inclusion of special additives into investment powder for this kind of application.
Whipmix Gemcast is simple to use and is mixed in the normal way for standard Gold and silver investments. All that needs to be adjusted is the burnout cycle temperature which must not exceed 630°C.
Today, Whipmix Gemcast is the industry leader for wax setting investment powders. It works by ensuring that the correct de-oxidising additives are present, thereby minimising the risk of damage to diamonds or other precious stones. These include problems with burnt diamonds, accelerated set times, incomplete filling, spalling and flashing over or under stones.
Gemcast is packed and available as follows:
- 45 kilo Fibre Drum, 24 per pallet;
- 45 kilo Polypropylene Sack, 25 per pallet;
- 22.5 kilo Polypropylene Sack, 50 per pallet.
Mixing Instructions
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Normal Burnout Cycle
The above product information is given in good faith as accurate and reliable but is not to be taken as a guarantee. The figures provided are intended to be a guide to expected average values and should not be interpreted as a specification. Any potential applications referred to are not to be construed as recommendations. It is the responsibility of the user to determine suitability for any specific purpose.
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In addition to these alloys we also offer casting powders for Bronze, Platinum, Palladium and Stainless Steel. With the introduction of Rapid Prototyping, the need for an investment powder which will withstand the different expansions of the resins and waxes and produce a trouble free casting with exceptional surface quality has never been greater.