Product Name: Al2O3 Alumina Ceramic Insulator for Thermocouple (2 bore, 4 bore, 5 bore) Model NO.: GT-008 Material: Alumina Shape: Pipe Type: Heat-Resistant Material Feature: Long Time Materials Refractoriness (?): 1770< Refractoriness< 2000 Alumina: Sillimatin 60 C 530, Alsint 99.7 C 799, Size: Od 8-50 Color: White, Pink Cream End: Oec or Beo Application: High Temperature Resistant, High Wear Resistance Bore: Round,Oval Trademark: shangtao Transport Package: Plywood Case Specification: Rohs Origin: Shanghai, China HS Code: 8547100000 Product Description Gongtao company mainly produce alumina tubes fromSillimatin 60 Type C 530, Alsint 99.7 Type C 799 and Pythagoras Type C 610, all complying with DIN VDE 0335.They are used to provide electrical insulation to the couple which is used for sensing the temperature inside the furnace. These are single, twin , Four hole bore . These are generally used in small lengths of 25mm. However longer lengths are sometime preferred in critical applicationsOur items are various and exported to many countries. Welcome to contact us!ID2346791.21.21.522OD57911131555789Length5791113151035102550Dia of bore2.53.53.544Long dia.910101313Oval dia.7881010Length2520202525