W.Haldenwanger Sillimantin Rollers


  • Most frequently used ceramic material in kiln designs
  • Type C530 according to DIN VDE 0335
  • Application temperatures up to 1400 °C
  • Refractoriness up to 1300 °C (subject to loading for roller applications)
  • No reactions with heating elements
  • This material can be formed using most moulding methods.
  • Numerous special designs are possible as well as a wide range of standard tubes
  • This material is used successfully in the laboratory and industrial kilns.

The Sillimantin roller series has outstanding high temperature, outstanding chemical resistance, and excellent resistance to temperature changes. Haldenwanger is one of the first manufacturers who successfully apply ceramic rollers into roller kiln and mainly provides products and solutions for kilns that need to improve product yield and tiles planeness. Our ceramic rollers can be widely used in the roller kiln to produce architectural ceramic, tableware, magnetic material and so on.


  • Excellent High Temperature Strength
  • Excellent Thermal Shock Resistance
  • Outstanding Eroding Resistance
  • Consistent Roller Quality


Unit SM100 SM90 SM70 SM65 SM60
Al2O3 Content % 76-78 75-77 79-81 78-80 77-78
Density g/cm³ 2.7-2.9 2.6-2.7 2.6.-2.7 2.5-2.6 2.4-2.5
Water Absorption % 5-7 6-7 7-8 8-9 9-10
RT Flexural Strength MPa 65-75 60-65 55-60 50-55 45-50
Thermal Expansion (20 – 1000oC) 10⁻⁶/°C 6 6 6 6 6
Modulus of Elasticity GPa 95 90 85 80 70
Maximum Use Temperature °C 1350 1350 1350 1300 1300
Thermal Shock Resistance Good Good Good Good Good


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