Dental Direkt GmbH

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32139 Spenge (Germany)

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DD Bio ZW iso Zirkonoxid

These blanks are distinguished by their enhanced strength and long-term hydrothermal stability. An absolutely homogenous structure is achieved through a specially developed production process. The blanks are optimised for rapid milling strategies and provide excellent edge stability and green body breaking strength during processing.

The blanks are optimised for open systems. All blanks consist of pre-sintered zirconium dioxide stabilised with yttrium oxide (3Y-TZP-A).

Physical properties:


CharacteristicsUnitValue
Density (after sintering) g/cm³ > 6,0
Coeff. of thermal exp. (25-500°C) 10-6K-1 10,5
Resistance to cracking MPa*m1/2 > 9
Flexural resistance (4-point) MPa 1200 (+/- 200)
E-module GPa > 200
Open porosity % 0

Chemical composition:


ZrO2 + HfO2 +Y203 > 99%
Al2O3 <0,5 %
other oxides <0,25 %
zw iso

DD Bio ZW iso (with step)

3Y TZP-A zirconium, presintered

Order no.Dimensions
G 513 98,5 x 10 mm
G 526 98,5 x 12 mm
G 505 98,5 x 14 mm
G 527 98,5 x 16 mm
G 506 98,5 x 18 mm
G 507 98,5 x 20 mm
G 553 98,5 x 25 mm