Industrial chemicals; plastics, unprocessed; artificial resins, unprocessed; acrylic resins, unprocessed; epoxy resins, unprocessed; catalysts; adhesives for industrial purposes; epoxy resin hardener; epoxy resin (unprocessed) namely semiconductor encapsulants and semiconductor encapsulation materials; chemicals namely infrared absorbers and infrared absorbing agents; chemicals namely thermal colouring compositions and colour developers; coating agent; coating material