Whip Mix Cristobalite Gypsum Dental Investment

Cristobalite

Gypsum bonded investment for low fusing crown and bridge alloys.

Cristobalite

Description:

The principal ingredient, cristobalite, gives high thermal expansion, even at comparatively low temperatures. It is possible to use the same creamy mix by simple standard vacuum or painting techniques for all types of inlays.


The usual Whip Mix care in compounding and control assure a uniform water/powder ratio and consequent uniform expansion.


Physical Properties:

Water/Powder Ratio: 30 mL/100g


Working Time: 3 minutes


Setting Time (ADA Method): 16 minutes


Ready for Burnout (minimum): 30 minutes


Setting Expansion: 0.50% minutes


Thermal Expansion 650 degrees C (1,200 degrees F): 1.25%


Compressive Strength, Wet: 700 psi (5 MPa)

Products

Item Number
Cristobalite 144 – 50g Packages No. 01228 Contact to Order

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