Carbon Calsil®, exclusively available from IMS, is an advanced carbon fibre reinforced calcium silicate. It has been designed specifically to be nonwetting and mechanically strong. Carbon Calsil® offers very low shrinkage as well as being highly resistant to thermal shock. Carbon Calsil® is the material of choice for use in aluminium casting such as transition rings, down spouts, sprue bushes and distribution plates.

Mechanical / Chemical Properties

  • Machinable to very close tolerances
  • Non-wetting to most non-ferrous molten metals
  • Excellent compressive and flexural strength

Thermal Properties

  • Service temperature to 1000°C
  • Low shrinkage and coefficient of thermal expansion
  • Low thermal conductivity
  • Highly resistant against thermal shock


Typical Applications

  •  Floats
  • Spouts / dip tubes
  • Feeder tips
  • Stopper pins
  • Transition rings
  • Launders & holding furnaces

For data sheets please use the Product Data Sheet tab, for further information or for prices and availability please contact our Southport Salesteam on 01704 226 878