Chemical component:

 

ZrO2+HfO2                          94/95%

 

Y2O3                                  4.5/5.5%

 

Al2O3                                    <0.5%

 

Other oxide                           <0.5%

ST Blank:

 

Sintering temperature                 1480°

 

Coeficient of thermal

expansion (25-500°c)               10.5x10-6

 

Sintering density (g/cm)               6.08

 

Strenght (MPa)                            1200

 

Average grain size  (micr)              0.4

 

Accelleratted agin surface

monoclinic phase content (%)       < 10  

 

(1 mm) Average transmittance      43%      

 

Radioactivity (Bq/g)                     < 0.1     

ST Pre Shaded blanks:

 

Sintering temperature               1530°

 

Coeficient of thermal

expansion(25-500°c)                 10.5x10-6

 

Sintering density(g/cm)              6.09

 

Strength(MPa)                           1100

 

Avarage grain size(micr)            0.4

 

Accelerated agin surface

monoclinic phase content(%)     <10

 

(1mm)Average transmittance    Each colour shows different light trasmittance

                                              Refer to pre-shaded zirconia blank project

 

Radiactivity(Bq/g)                   <0.1

Contatti

Ci potete contattare allo:

 

+39 0522 082676

Sede Amminisrativa e Corsi

 

+39 0522 084360

Laboratorio

 

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