ZIRKONZAHN CAD/CAM ZIRCONIA BLOCKS

ZIRKONZAHN CAD/CAM ZIRCONIA BLOCKS (ROUND)
First grade Zirconia powder

-ZIRKONZAHN CAD/CAM ZIRCONIA BLOCKS (ROUND)
First grade Zirconia powder
- Shrinkage adjusted for 20%

Chemical compositions:
ZrO2+HfO2+Y2O3   99.6wt%
Y2O3                        5.2wt%
Al2O3                       0.5wt%
Bending Strengh         1200 Mpa
Vickers Hardness          12.8Gpa

Firing Instruction Firing time:
12hr FIRING CHART :
RT to 300 degrees C 1hr
300 to 1000 degree C 1hr
1000 to 1450 degree C 3hr
1450-1500 degr Celcius 
holding time 2 hr
Natural cooling to 100 Degree C about 5 hours

ZirconZahn is a trade mark of Zirkonzahn

These Blocks are for the automatic machine, and they have the MARKS on both sides. These Blocks are not recommended for the manual system.