Aluminium oxide ceramics -Zinc oxide ceramics -96% to 99% Al2O3 -TO- ... thermal conductive silicon pad, thermal gap pad, pure graphite sheet roll, thermal graphite film, LED thermal conductive tape, thermal grease, ceramic ... , 3M, T-global etc. Physical properties: Test ItemUnit96% to 99% Aluminium oxideDensityG/CM³3.90Water absorption%<0.02Thermal expansivity10-6/K8 ...