Caltherm

CARBON REINFORCED CALSIL

Caltherm is a carbon-fibre reinforced calcium silicate that has been specifically designed for use in the aluminium smelting/re-melting industry.

Non-wetting and mechanically strong, Caltherm is highly resistant to thermal shock and exhibits low shrinkage. Caltherm is the material of choice for use as transition rings, hot-top headers and spouts.

The material is heat treated during the manufacturing process to reduce shrinkage in operation. The carbon fibre reinforcement provides increased strength to ensure the materials tensile and shear strength is much greater than other typical calcium silicate products.

Caltherm is an ideal material for the production of close tolerance machined shapes with high edge definition. Furthermore, its non-wetting characteristics, excellent compressive and flexural strength make it the ideal material for aluminium casting processes.

Other benefits include:

  • Excellent thermal shock resistance
  • Non-wetting to molten aluminium
  • Low shrinkage
  • Maximum operating temperature 850˚C
  • Machinable to close tolerances
USED IN
  • Holding Furnace Linings
  • Spouts/Dip Tubes/Stopper Pins
  • Transition Rings
  • Hot-Top Heads
  • Launders & Launder Lids
Typical Composition
  • Calcium Silicate - Hydrate
  • Wollastonite
  • Carbon Fibres
  • Ferric Oxide
  • Viscose
  • Crystalline Silica

KEY DATA
DENSITY kg/m3 814
STRENGTH
Compressive N/cm2 995
MAXIMUM TEMPERATURE ˚C 850
SHRINKAGE – Linear @ 750˚C for 24hrs % 0.19
THERMAL CONDUCTIVITY @ 400˚C W/mK 0.14
The data provided is taken from average test results conducted under standard procedures and conditions and should not be used for specification purposes.

To receive a quotation call:+44(0)174428304

CONTACT

Get In Touch
UK (Accredited Office)
Esspee Fabrications Ltd
149 Merton Bank Road
St. Helens
Merseyside
WA9 1DZ
Tel : +44 (0) 1744 28304
Fax : +44 (0) 01744 28826
Email: sales@esspee.com

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UK Midlands Office
Esspee Midlands
Wassall Grove Lane
Stourbridge
West Midlands
DY9 9JH
Tel : +44 (0)1562 881026
Fax : +44 (0) 872 331 3117
Email: simon@esspee.co.uk

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Middle East Office
Esspee Middle East
P O Box 74345
203 Al Hawai Tower
Sheikh Zayed Road,
Dubai, UAE
Tel : +9714 3211104
Fax : +9714 3211939
Email: mohammed@esspeeme.com

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Esspee China
1910 Building E
Huidong Intl
16 Jinpu Rd, Nanning
Guangxi
Tel : +86 771 556 1684
Fax : +86 771 556 1640
Email: chunyuyang20@gmail.com

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