Casting gypsum Sigma

powder

FOR CASTING SILVER BRASS, AND BRONZE Prestige SIGMA™ is a high value, low cost gypsum bonded investment powder developed by Certus to provide the user and industry with an investment powder engineered specially to eliminate costly surface defects associated with casting the most difficult designs and shapes cast in silver and bronze. Details Uses the highest purity raw materials available Variable water to powder ratio, 38 - 40/100 for thick yo thin designs User friendly formula, easy to mix and use Superior thermal shock resistance to temperature. Highly resistant to flashing and cracking Special proprietary control chemicals easily remove air from the investment slurry and pattern surface to provide super smooth, bubble free casting time after time Provides extra smooth, dense, flash free castings Easy removal during water quench Better casting results, even when less than perfect mixing techniques are observed ZERO defects policy. All batches test cast in silver to ensure perfect quality before shipping Independent tests performed by some of the world's best known casting companies, Prestige "SIGMA" has proven to be a truly superior investment for casting gold. "PERFECTION IN JEWELRY CASTING TECHNOLOGY" SIGMA comes in 22.5Kg. Plastic lined Poly Sacks or Ergonomic 22.5Kg. Plastic Drums package or 45Kg. Heavy duty reusable Plastic Drums for containment of used investment.