Our coating and finishing processes highly improve the functional qualities of component surfaces whereby we implement wet-chemical, electrolytic and organic coating technologies. The extent of innovative ideas within the group is best reflected in the work and efforts in researching, developing and patenting processes; even the chemicals necessary for these processes are manufactured and supplied by us in order to guarantee that the high demands on quality of these processes are met. Our customers receive an extensive service package: including assignments of licenses on an international level; technical expertise; as well as sound advice during the construction phases; all of which helps to define more swiftly the required properties and thereby speed up the design and development phases of the components.

Fundamental processes are:

  • Anodic processes like HART-COAT® and variants thereof for aluminium alloys with copper content (HC-CU), for die-cast (HC-GD) or with smooth surfaces (HC-GL)
  • Electroless Nickel process DURNI-COAT® with different phosphorous contents, lead-free and dispersion processes PTFE-DURNI-DISP or SIC-DURNI-DISP
  • Tribological systems DURALLOY®, structured chromium and layer combinations
  • GLISS-COAT® – Dry Lubricant System, stand-alone or in combination with other anodic coatings

Group Material Technology comprises the following companies for surface treatments:

Acorn Surface Technology Ltd. United Kingdom www.acornst.com
AHC Benelux B.V. The Netherlands www.ahcbenelux.nl
AHC-Group, including AHC Surface Technology, Duralloy and RIAG Oberflächentechnik Austria, France, Germany, Italy, Poland, Switzerland www.ahc-surface.com
AHC Surface Technology S.A.S. France www.ahc-surface.com
DEC SA France www.dec-sa.fr
Duralloy Süd GmbH and
Duralloy AG Schweiz
Germany, Switzerland www.duralloy.info
Galvanotechnik Baum GmbH Germany, Slovakia www.gtbaum.de
Métatherm 74 S.A.S France www.metatherm.fr
SGI Société de Galvanoplastie Industrielle S.A.S. France www.galvanoplastie.fr
T. TERMICOS TRATERH S.A. Spain