COMPANY PROFILE

1958 Acquisition of Ernst Sonderhoff Dichtungmassen by Karl-Heinz Westhoff

1985 Expansion of laboratory and warehouse at original site

1988 Rolf and Heinz Westhoff, the sons of Karl-Heinz Westhoff, are appointed as managing directors

1990 Foundations laid for the new building in the industrial estate Cologne - Ossendorf

1991 Move into new building

1994 The first extension building at the new site is erected

1995 Rolf and Heinz Westhoff succeed their father as partners

1995 Acquisition of EDF Polymer-Applikation GmbH

1995 A second extension building is completed at the new site

1997 Founding of Ferma Polymerservice GmbH

2001 Founding of Polymere Holding GmbH

2001 Acquisition of Sehab Trading AB and renaming to Sonderhoff Scandinavia AB

2001 Founding of Sonderhoff Italia s.r.l.

2003 Founding of Sonderhoff USA Corporation

2004 Founding of Sonderhoff Ibérica, S.A.U.

2005 Withdrawal of Rolf Westhoff as partner

2008 Renaming as Sonderhoff Chemicals GmbH, Sonderhoff Engineering GmbH and Sonderhoff Services GmbH

2009 Establishment of Sonderhoff (Suzhou) Sealing Systems Co. Ltd. in Suzhou/China

1960 Development of  the rebate gasketing compounds FERMATEX 1002 and FERMATEX S 952

1961 Development of FERMAPOR DD980 single-component PVC compound

1965 Development of the two-component, room temperature vulcanized polyurethane foam system FERMAPOR K31

1967 Patent application FERMAPOR K31 "Procedure for manufacture of a lid seal"

1975 Successful sealing of damp room lighting in collaboration with Schuch, Worms

1978 Development of thixotropic FERMAPOR K31 types

1980 Patenting of FERMAPOR K31 "Procedure for manufacture of a lid seal"

1985 Development of FCC and HCFC free sealing system of FERMAPOR K31 series and SOFLEX rinsing agent

1988 Development of mixing heads MK 50 (static, manual or automatic), MK 100 (manual or automatic) and MK 200

1988 Development of manual dosing machine D-2/15 and of dosing machines DM 50, DM 70, DM 110 and DM 220

1989 Development of mixing head MK 300

1990 Development of polyurethane moulding component FERMADUR

1991 Development of silicon foam system FERMASIL

1992 Development of a 1-C dosing machine with electric piston dosing unit, dynamic quantity regulation and microprocessor control

1992 Development of the mixing head MK 200, cleaning of mixing head by high pressure flushing system

1992 Presentation of first 2-C gluing system DM 110 with mixing head MK 200 using FERMAPOR K31

1994 Development of mixing head MK 400 with high pressure flushing system

1995 Introduction of "System 2" concept: material and machine from one source

1995 Development of dosing and mixing system DM 220 or 230 with six-axis robot and electronic control

1995 Development of mixing head MK 425

1998 Development of mixing head MK 600 with high pressure flushing system

1999 Development of mixing head MK 625

2000 Development of dosing machine DM 202

2001 Development of mixing head MK 20/21

2002 Development of HS linear robot

2003 Presentation of dosing and mixing systems DM 402/403/404 and linear robot HD

2004 Development of dosing and mixing system DM 302/303

2005 Development of HE linear robot

2006 Further development of HS linear robot

2007 Development of SD dosing cell and linear module for SD dosing cell

2008 Development of FERMASKIN, the flexible foam system with skin layer

2007 Development of SD dosing cell and linear module for SD dosing cell

2008 Development of FERMASKIN, the flexible foam system with skin layer

2009 Development of the mixing and dosing unit DM 404 to process FERMASKIN foams