c.STAB Carbon

Stabilisierungsofen für Carbonfaser-Präkursoren

Furnace for stabilization of carbon percursor fibers

With c.STAB Carbon, the new technology for the stabilization of precursor fibers, centrotherm sets a new standard in the manufacturing of carbon fibers.

The new technology is characterized by a significantly, up to 50 %, lowered energy consumption and an acceleration of the stabilization process of up to 30 %. Thereby, manufacturing costs for the final product carbon fiber can be significantly reduced.

In contrast to conventional stabilization concepts which operate with high volume of hot air and circulation air, the centrotherm technology merely requires low amounts of process gas. This results in massive energy savings and in a simplified exhaust gas after treatment. Finely graduated quasi-digital temperature zones and modern control technology enable a quasi-autothermal process management and a direct response on the stabilization progress.

The centrotherm c.STAB Carbon furnace is scalable and modularly constructed. Annual production capacities of 10, 20 and 250 tons are covered by the c.STAB Carbon series.

Features & Benefits

  • Optimized process by tailored oxygen concentration
  • Significant reduction of process time and high throughput
  • Energy savings in stabilization of persursor fibers
  • Low process gas volume, no circulation air
  • Broad variety of process atmospheres possible
  • Modular and scalable concept
  • Well-suitable for PAN and alternative percursors such as cellulose, lignin etc.
  • Small amount of highly concentrated exhaust gas simplifies after-treatment

Stabilization process

Digital Heating Zones of c.STAB Carbon

Process results

Properties of stabilized PAN Fiber
Properties of stabilized PAN Fiber