Prestige Optima™ Investment Powder

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. Technical Sheet. Highest purity, white gypsum mined from the world's best know deposits. Special premium grade cristobalite imported from the U.S.A. High purity refractory grains, sized to achieve 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.