FOR CASTING RESIN & PLASTIC PATTERNS
Prestige “OPTIMA”™ is a significant breakthrough by Certus to develop a new
generation, high strength, high expanding gypsum bonded investment
better suited for casting from 3-D resin prints. Due to its superior temperature
resistance, “Optima” is also the perfect choice for casting white gold
and consistently provides superior casting surfaces when a variety of
today’s pattern materials are used including:
1. Standard injection waxes
2. Carving waxes
3. Resin patterns (SLA)
4. Wax based polymers
5. Hybrid wax / plastic patterns
FEATURES
• Extra user friendly formula, easy to use
• Mixes to a creamy, pourable slurry
• Incorporates environmentally friendly control additives
• Lower rise under vacuum
• Superior temperature resistance in burn-out
• Reduces porosity and times in finishing
• Captures sharp, delicate details and provides
casting surfaces unmatched by any other brand
Used by quality conscious casters worldwide,Prestige “OPTIMA” has proven to be a truly superior gypsum bonded investment for white gold and the casting from resin prints. “PERFECTION IN JEWELRY CASTING TECHNOLOGY” Optima comes in 22.5Kg. plastic lined Poly Sacks, Ergonomic 22.5Kg. plastic drums package or 45Kg. heavy duty reusable plastic drums for containment of used investment
| Powder: Water Ratio (38% - 40%) | Powder (Kg.) | Water (cc.) | Powder (Lb.) | Water (cc.) |
|---|---|---|---|---|
| Automatic Vac. Mixing | 1 | 380 | 1 | 172 |
| Conventional Mixing | 1 | 400 | 1 | 181.6 |
| Water Temperature ˚C | 21-24 | 21-24 | 21-24 | 21-24 |
• Increasing the powder amount 1% will decrease the total working time for approximately 30 seconds.
| Automatic Vac. Mixing Mach. | Minutes |
|---|---|
| Accurately Weigh Powder / Water | ------ |
| Add Powder to Water | ------ |
| Mixing & Vacuuming | 5 |
| Pour into Flask | 2 |
| Vacuum Invested Flask | 1 |
| Total Working Time | 8 |
• Allow to sit undistributed for 90-120 minutes before burnout
| Conventional Mixing Mach. | Minutes |
|---|---|
| Accurately Weigh Powder Water | ------ |
| Add Powder to Water & Mix | 4 |
| Vacuum the Bowl | 1 |
| Pour into Flask | 1 |
| Vacuum Invested Flask | 2 |
| Total Working Time | 8 |
• Allow to sit undistributed for 90-120 minutes before burnout