We have helped clients in choosing and designing reactors and related accessories for years. Since 2004 we have the agency for three glass blowings in Germany. G. Diehm manufactures most of what can be done in glass. Everything from dl-sized reactors up to 150-litre, single, double and triple jacketed. Lid for reactors with the connections you as a customer wants. Capacitors, distillation equipment, coolers, pipes, fittings, everything you can imagine.

Aacheners specialty is quartz glass.
If you need something in quartz glass, please contact us!

Günther Diehm in action

Reactor lid

Reactor systems

Quartz glass

Optical glass



Rettberg has more standard products.

We also perform repairs on equipment in glass.