service life 1000 hours corrosion resistance in salt spray tests under practical conditions More than 2000 hours corrosion resistance in salt spray tests under laboratory conditions when not installed Much higher [...] a light grey film. In addition, samples for our own quality assurance tests are taken from all pro- duction lots. n Assembly testing of cutting ring coupling (size S30) VOSS coat ensures optimum assembly [...] electroplating processes – in the electroplating test laboratory for chemical components, and in the engineering department for production procedures. In series of tests, the 12 program parameters are adjusted