Product Name: Alumina Ceramic Band Heater with 2, 3, 4, 5, 6, 7, 8 Hole Model NO.: GT-011 Material: Steatite Shape: Block Type: Refractory Material Feature: Long Time Materials Refractoriness (?): 1580< Refractoriness< 1770 Color: White Pink,Grey No of Hold: One,Two,Three,Four,Five,Six,Seven,Eight Appreance: Top Groove,Bottom Groove,No Groove Property: Thermal Expansion Coefficient, Excellent Electrica Trademark: shangtao Transport Package: Plywood Case or Carton Specification: Rohs Origin: Shanghai, China HS Code: 8547100000 Product Description Gongtao cansupply and custom madethe steatite ceramic products according to customer's drawings, samples and performance requirement.Property:1.High resistivity2.Moderate strength3.Excellent electrical properties4.Poor heat conductivity (Thermal insulator).5.Good resistance to thermal shock.6.Low coefficient of thermal expansion.7.Good mechanical stability.Applications:Heating element holdersStand off InsulatorsInterlocking Insulating BeadsSplitbushinsulatorsLamp bases and capsRegulator partsItemTesting conditionUnitSteatiteBulk densityg/cm 3≥2.6FlexuralStrengthN/m 2 ×10 31.37Coefficient of linear expansion20~800°C×10 -6 /°C≤8Permittivity1MHz≤7.510GHz/Insertion loss1MHz×10 -6≤8.010GHz×10 -6/Bulk density resistance100°CΩ@Cm>10 12Puncture strengthKV/mm20Thermal conductivity20°CW/m@k2.9