Alumina ceramic beads

Made by special way,the density is higher

Made by special material of 95% alumina,in this way,the heat treatment is better

Precise Mold control so that the tolerance is strict

Technical data

Density 3.65-3.7g/cm3

Alumina content 95%

Hardness(Mohs) 9

Rockwell hardness(HRA) over 75

Compression strength : 2000 MPa

Safety working temperatures : over 1500

Thermal Conductivity 23 W/mK

Flexural Strength 340 Mpa

Properties: High density, good apprearance and high alumina content, exnt thermal condictivity and heat transfer, exnt insulating property and higer surface finish and good unifomity ,resistance against thermal shock and mechanical abuse.

Application:This special sintered alumina ceramic beads as components of ceramic pad and channel heaters can be used for pre and post-heaters welding applications,Welding process, stress-relieving, pre-heating & post heating, ship-building, other resistance-heating environment

All flexible ceramic pad heaters are constructed of 80/20 Nickel/Chrome multi-strand d with interlocking sintered alumina pink ceramic beads, nickel cold tail Male Camlocks.