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"CitriSurf® is a perfect and environmentally friendly alternative to passivating with nitric acid

Boehringer Ingelheim Pharma GmbH & Co. KG


For more than ten years we have been gaining experience with different applications of stainless-steel passivation. With all CitriSurf® products, individual advice is always on offer.

We can help with the identification of the causes of rust problems, with the planning of passivation systems and also with the validation of passivation processes.

We collaborate with a high-performance and experienced metallurgical laboratory in the USA and a number of laboratories in Europe in order to be able to competently answer all our customers’ inquiries on a sound scientific basis.

Our technical hotline is available to you at all times.