Product Name: Al2O3 Ceramic Eyelet Guide in Textile Machine Model NO.: GT-312 Material: Alumina Ceramic Shape: Block Type: Refractory Material Feature: Long Time Materials Refractoriness (?): 1580< Refractoriness< 1770 Color: White Pink,Grey Type of Bead: Dome Bead,Flat Bead,Fish Spine 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 can supply and custom made the 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 beadsSplitbush insulatorsLamp bases and capsRegulator partsThese beads are for protecting power lead wires with different size.Material: White steatite ceramic, yellow steatite, alumina.ItemTesting 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