Burntstone
CERAMIC LIMITED
Technical Data
February 2000

AF-175/25

Alumina fibre board

Description

AF-175/25 ceramic fibre boards are rigid high temperature insulating boards made from polycrystalline alumina/mullite fibre and binders. They are lightweight materials with good thermal shock resistance, good flexural strength and low thermal conductivity.
 

Chemical Properties

Al2O372%SiO228% Loss on Ignition3.9%

Physical Properties
 

Maximum Service Temperature1650°Ccontinuous service
1700°Cshort term service
Density (kg/m3)400
Modulus of Rupture (MPa)1.1 min
Linear change (%) after 24h at 1700°C-0.6

Thermal conductivity

W/mKTemperature °C
0.15800
0.211200
0.261400

The information and data herein are offered solely for your consideration and guidance and are not to be construed as a warranty or specification. Nothing contained herein is to be interpreted as authorisation to practice a patented invention without a licence.

BURNTSTONE CERAMIC LIMITED 19 Redgates, Walkington, Beverley HU17 8TS
Tel: +44 (0) 1482 868706
E-mail: sales@burntstone.co.uk  Home page: http://www.burntstone.co.uk
Registered in England 2113851
Website Version 4.6 - Last revision date: 12 March 2008

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