Calsitherm Group Acquired ­Inter­national Syalons

In addition, the Board of Directors have taken this opportunity to retire, and as such the Company would like to extend their thanks to Tony Mitchell (MD and Chairman), Bill Teasdale, Ian Denton (Operations Director), Valerie Denton (Health, Safety and Quality Officer), and Christine Mitchell (Company Secretary) for their outstanding services and contribution to the company over many years, and to wish them all the best in their retirement.
The Calsitherm Group is global leader in the production and supply of high temperature, fire protection, refractory linings and advanced anti-mould insulation for domestic and industrial applications, as well as heat resistant textiles, coatings, castings, vermiculite and fused silica parts and high-density calcium silicates for use in non-ferrous molten metal processing. Both International Syalons and the Calsitherm Group are excited by the acquisition and the prospect of growth in new and current markets.
International Syalons was established in the early 1970s as a development company under the name Lucas Syalon Ltd. within Lucas Industries following the discovery of SiAlON ceramics at Newcastle University/GB. Following a joint venture with Cookson Industries in 1982, International Syalons became an independent company in 1994 following a management buy-out. The company has grown steadily since the 1990s and are now the GB’s leading supplier of sialon and silicon nitride based advanced ceramics, supplying products with excellent high-temperature properties to industries such as molten metal handling, and metal forming; aerospace and automotive; industrial wear, oil and gas, welding, chemical processing; and high-temperature sensing.


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