Ceramic Carbon Composite CARBOPRINT® Si1



Ceramic carbon composites provide ideal properties where it comes to reliable function and longevity in harsh environments and at high temperatures.

We bring decades of experience with ceramic composites to additive manufacturing in order to provide our customers the opportunity to realize almost any design with ceramic carbon composites. CARBOPRINT Si components are made by siliconizing CARBOPRINT C bodies.

The advantages of CARBOPRINT® Si are:

  • Low weight due to low density
  • High thermal shock resistance
  • High bending strength
  • High wear resistance



Electrical resistivity ρel

3E-5 Ω·m at 20 °C


Density ρ

2.2 g/cm³ at 20 °C

Porosity Vvoid

0.1 %

open porosity, max


Elastic modulus E

70 GPa at 20 °C

Flexural strength σbend

65 MPa at 20 °C


Coefficient of thermal expansion α

3E-6 1/K at 200 °C

Thermal conductivity λ

40 W/(m·K) at 20 °C

Technological properties

Processing methods

The CARBOPRINT family combines our comprehensive carbon material know-how with additive manufacturing technology. In addition, our broad base of post-processing capabilities, such as resin or silicon infiltration, delivers innovative material solutions for your applications. This set of competencies and capabilities is a unique starting point for rapid and economic production of prototypes and small series of carbon based components for various industries such as glass, metal and chemicals, as well as high-temperature and mechanical applications.

This material data has been provided by SGL Carbon.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.