Since puren-Schaumstoff GmbH has been founded in 1968 by Hans Bommer, multiple changes have taken place.  Today, we are part of the puren group of companies with a total of approx. 300 employees world-wide, a joint venture company in Shanghai/China and several subsidiaries:

purSonic gmbh
Rengoldshauser Str. 4
88662 Überlingen
Telefon: +49(0)7551/8099-155
Telefax: +49(0)7551/8099-154



Bomat Heiztechnik GmbH
Gewerbegebiet Oberried 5
88662 Überlingen
Telefon: +49(0)7551/8099-70
Telefax: +49(0)7551/8099-71


BOMAT Fuel-Efficiency-CalculatorSaving energy with Bomat heat exchangers:  Online-calculation of cost effectiveness and amortization period of a BOMAT heat exchanger.


Shanghai Huafon Puren
Polyurethane Co., Ltd



For many years, puren is a member of the German Industrial Association for Polyurethane Rigid Foam  Industrieverband Polyurethan-Hartschaum (IVPU), Stuttgart



puren is monitored by the German Monitoring Association for Polyurethane Rigid Foam Überwachungsgemeinschaft Polyurethan-Hartschaum (ÜGPU), Stuttgart



Member of MINERGIE, Switzerland



Member of Fachverband Wärmedämmverbundsysteme




Member of Industrieverband WerkMörtel e.V. (IWM)






Member of EcoCommercial Building (ECB)