Machinable Ceramics
| Name | ¡@ | ALMATITE |
| ¡@ | M-AT | |
| Composition | ¡@ | Al2TiO3 |
| General Properties | Color | Dark Gray |
| Bulk Density(g/cm3) | 3.3 | |
| Water Adsorption Ratio(%) | 1.8 | |
| Mechanical Properties | Bending Strength (MPa) | 10 |
| Compressive Strength (MPa) | 150 | |
| Young's Modulus (GPa) | - | |
| Poisson's Ratio | - | |
| Hardness (GPA) | 1.5 | |
| Electrical Properties | Volume Resistivity [RT] (£[¡Ecm) | 0.7x1012 |
| [500¢J] (£[¡Ecm) | - | |
| Dielectric Constand [1MHz] | 13 | |
| Dielectric Tangent [1MHz] | 0.007 | |
| Dielectric Strength (kV/mm) | >7 | |
| Theremal Properties | Max. Useable Temperature (¢J) | 900 ¡°1 |
| Thermal Expansion [RT-200¢J] (/¢J) | -2.6x10-6 | |
| [RT-400¢J] (/¢J) | -2.1x10-6 | |
| [RT-600¢J] (/¢J) | -1.4x10-6 | |
| [RT-800¢J] (/¢J) | -0.9x10-6 | |
| Thermal Conductivity [RT] (W/m¡Ek) | 1.5 | |
| [400¢J] (W/m¡Ek) | 1.3 | |
| [800¢J] (W/m¡Ek) | 1.3 | |
| Specific Heat [RT] (kj/kg¡Ek) | 0.8 | |
| [400¢J] (kj/kg¡Ek) | 1.1 | |
| [800¢J] (kj/kg¡Ek) | 1.2 | |
| Thermal Shock Strength (¢J) | 1200 | |
| Vacuum Properties | Degassing [RT] (Torr¡El/s¡Ecm2) | - |
| [600¢J] (Torr¡El/s¡Ecm2) | - | |
| Helium permeability [RT] (Torr¡El/s¡Ecm2) | - | |
| Remarks | ¡°1 oxidative atmosphere / no visual change in appearance, zero-weighted (3mmx3mmx40mm, span 30mm) | |