Dental investment materials are used to encase the wax designed for the lost wax casting technique. These materials are usually available as a powder that is mixed with water and then used to encase the wax design. These materials solidify and can withstand the heat of the casting furnace to hold the precise shape left behind when the wax is burned out. Different gypsums are designed for use with different dental alloys or other materials, so be sure to select the proper gypsum for the case at hand.
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| Company | Whip Mix Corporation | Whip Mix Corporation |
| Item | PC 15 Phosphate Bonded Investment | ResinVest |
| Price | Inquire | Inquire |
| Description | PC15 is a fine grained phosphate bonded investment for pressable ceramics. Its creamy consistency pours easily when investing and produces smooth | Designed for burning out printed or milled resin patterns for crowns, bridges, or frameworks, ResinVest is a fiber-reinforced material that resists |
| Quantity | 25 - 100 g Package
100 - 100 g Package
6 Pack - 340 mL Bottles
6 Pack - 1 L Bottles
340 mL Bottle
1 L Bottle | 100 g Package; 55 lbs. Carton |
| Compressive Strength | Wet - 500 psi (3.4 MPa) | 1,350 psi (9.2 MPa) |
| Working Time | 7 - 9 minutes | 6 to 8 Minutes |
| Set Time | Not Available | 30 Minutes Minimum |
| Material Type | Fine Grain Phosphate Bonded Investment | Phosphate Investment |
| Indication For Use | Pressable Ceramics | Burning out milled or printed resin patterns |
| Liquid / Powder Ratio | 27 mL / 100 g | 22 ml/100 g |
| Setting Expansion | 1 % | 1.6 Percent |
| Ready For Burnout | 15 minutes | Yes |
| Hygroscopic Expansion | N / A | Not Available |
| Thermal Expansion | 0.7 % | 0.65 Percent |
| Metal or Ringless Technique | Metal or Ringless | Both |
| Get Info | Not Available | Not Available |