Supervac manufactures alpha one (ceramic evaporation boats) which are two component boats. These boats are used mainly by the packaging and capacitor film making industries for metallizing. For more details please visit: - http://supervacoils.Com/evaporation-boat-alpha-one/ 1. Uniaxial hot pressing of the composite powders. 2. Cutting with diamond wheel. 3. Density – 98% of theoretical density 4. Resistivity – 200 to 2000 micro ohm cm (moc) 5. Cte – 7.1 x 10-6/0 °c. 6. Bend strength – 110 mpa 7. Sizes – all sizes are available