Description:

1. Name: Dental Glass Ceramic Blocks
2. Material: Glass
3. Use for: for CAD CAM Sirona Cerec Milling System

HT:A1/A2/A3/A3.5/B1/B2/B3/BL1/BL2/BL3/BL4/C1/C2/D2/MO-0/H0-0

LT:A1/A2/A3/A3.5/B1/B2/B3/B4/BL1/BL2/BL3/BL4/C1/C2/C3/C4/D3/D4/MO-0/H0-0

Density:2.4-2.7g/cm3

Coeffocoemt of thermal expansion(20-500℃):(8.5-11)10^(-6)k^(-1)

Vickers hardness:5400±637MPa

Chenmical solubility after sintering:<100ug/c㎡

Crystallization temperrature:840-850℃

Chemical Composition:

SiO₂:58.5%-72.5%

LiO₂:13%-15%

K₂O:3%-5%

Other oxides:7.5%-25%