Description
DESCRIPTION
- Type 4 in accordance with ISO 22674
- Easy milling
- Excellent polishability
- Easy ceramization
PHYSICAL CHARACTERISTICS
| Temperature of solidus-liquidus | 1308 ÷ 1384 °C |
| Coefficient of thermal expansion | (25 ÷ 500 °C) 14,2 x 10-6 K-1 – (25 ÷ 600 °C) 14,4 x 10-6 K-1 |
| Melting point | 1440 °C |
| Density | 8,5 g/cmc |
| Hardness Vickers | 273 HV10 |
| Percent elongation at break | 16 % |
| Unit yield strength | (Rp0.2) 360 MPa |
| Modulus of elasticity | 183 GPa |
| Release of joni in 7 days | 1,75 μg/cm2 |
| Maximum cooking temperature | 980 °C |
| Color | White |
FORMAT
Diameter (mm): 98.5
CUT Height (mm): 12 – 13.5 – 14 – 15 – 16 – 18 – 20 – 22 – 24 – 24.5 – 25 – 30
PLAIN Height (mm): 8 – 10 – 12 – 13.5 – 14 – 15 – 16 – 18 – 20 – 22 – 24 – 24.5 – 25 – 30
PACKAGING
- 1 disc
0425, ISO 9693, ISO 22674
