... spoilage -Stiffness texture -Good insulation performance High Quality Alumina Ceramic Nozzle Features:1) A variety of specifications ... samples and performance requirement. Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, ... 780.780.9Electrical Characteristics Dielectric constant (1MHZ)-6.299.49.9Dielectric loss angle *10-4181551Dielectric ...