Prestige ORO is a true premium gypsum bonded investment developed and perfected for the casting of High Karat Gold (18K and above Yellow White) and especially for casting of Fine Filigree items. 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. Prestige ORO has been formulated to deal with the most demanding situations, producing excellent results even at the most extreme temperatures - to pro This Investment casting powder also can be used for lower Karat metals as well as Silver, Copper and Brass. Prestige ORO has proven to be a truly superior investment for gold that far "SURPASS THE INDUSTRY STANDARD." Suitable for yellow white gold with high percentage of palladium and also for most silver, gold, brass and bronze casting needs Item Trademark: CERTUS Item Category: Art Supplies Manufacturer: Certus Manufacturer: Certus