PWHT alumina ceramic beads


Our PWHT alumina ceramic beads is made by special material of 95% alumina,in this way,the heat treatment is better

Made by special way,the density is higher.Precise Mold control so that the tolerance is strict

Technical data

Density 3.65g/cm3
Alumina content 95%
Hardness(Mohs) 9
Rockwell hardness(HRA) over 75
Compression strength : 2000 MPa
Safety working temperatures : over 1500
Water Absorption rate : 0.01%
Thermal Conductivity 24 W/mK
Flexural Strength 340 Mpa

Properties: High density, good apprearance and high alumina content, excellent thermal
condictivity and heat transfer, resistance against thermal shock and mechanical abuse.

Normally it is for making the ceramic pad heater

alumina ceramic beads PWHT alumina ceramic beads

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