About Prestige ORO Investment Powder - Certus (100lb Drum)Prestige ORO is a true premium gypsum bonded investment developed and perfected for the casting of gold alloys up to 22K. To achieve the very best casting surface possible, ORO incorporates specially graded refractory minerals and specialized control chemicals that are proven to out-perform all premium investments currently on the market.
- Highest purity, white gypsum mined from the wold's best know deposits.
- Special premium grade cristobalite imported from the U.S.A.
- High purity refractory grains, sized to archieve the smoothest casting surfaces possible
- Mixes to a rich, creamy, easy pour consistency
- Reduces surface tension on wax to supply buble free castings
- Superior removal of investment during water quench
- Controlled expansion properties that are compatible with all injection waxes and commonly used plastic pattern materials.
- Compatible with all type injection waxes
- Reliable consistency from batch to batch
- Eliminates surface defects obtained using other brands
- Reduces time in finishing. Saves time & money
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