• The history of Hennecke GmbH
  • A pioneer of high-pressure technology
  • The history of Hennecke GmbH
  • A pioneer of high-pressure technology

The history of Hennecke GmbH

A pioneer of high-pressure technology

The “Maschinenfabrik Karl Hennecke” laid the foundation for technological progress and countless important milestones within the area of polyurethane processing in 1945. Soon after the company’s foundation, Hennecke introduced the first system in the world for mixing the PU components polyol and isocyanate under high pressure – this was the foundation stone for high product quality and the efficient use of raw materials. Since then, Hennecke has worked closely with processors and users across the world to set the pace in this area. New products and processing concepts are constantly emerging to replace conventional materials and manufacturing methods. Our accumulated expertise has a direct impact on our customers’ efficiency and competitiveness.

Important milestones

  • 1945 Founded by Karl Hennecke at Sankt Augustin headquarters
  • 1952 Development of continuous slabstock lines
  • 1955 Development of the first high-pressure metering machine
  • 1971 Launch of largely automated moulded foam lines
  • 1975 Launch of continuous sandwich panel lines
  • 1993 Launch of Pentane Process Technology (PPT) for making CFC-free foams for refrigeration appliances
  • 1995 Launch of NOVAFLEX technology for producing high-grade foams using natural carbon dioxide
  • 1998 Launch of polyurethane spray moulding
  • 2004 Presentation of the PUR-CSM technology range for manufacturing fibre-reinforced or compound moulded parts
  • 2010 65th company anniversary
  • 2011 Presentation of HP-RTM technology and an accompanying processing system for making fibre-reinforced structural components
  • 2013 Introduction of a pioneering piece of mixture discharge technology for continuous production of slabstock foam
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