The product range covers:
       -      Purities up to min 99% - e.g. ADT 251, ADT 351
       -      Free Expansion up to min 400 times - ADT 400
       -      Start of Expansion between 145°C (ADT KP 251) and 300°C (ADT 503)
       -      Particle size down to 45 micron (ADT 17)
       -      Free water content of max. 0.4%
       -      Expandable Graphite without free acids / neutral surface
       -      Surface treatments