Bonderizing

The characteristic element of bonderized steel strip is its multi-layer lubrication system on the basis of soaps and zinc phosphate.

The metal surface is turned into a metal phosphate layer by means of the bonder solution, which contains primary zinc phosphate and free phosphoric acid as well as oxidizing agents. Chemically this layer is solidly connected to the surface of the steel strip. There are cavities and capillaries between the fine crystals in the layer, which support a high lubricant absorbency.

The second system component adds to the fact that our customers can easily and economically continue to process the material:

subsequently to phosphatizing the bonderized steel strip is soaped in a watery solution. Due to this soap lubricant layer additional costly and often technically complicated application of further lubricants is not necessary in the following processing phases. Friction is minimized, and so is tool wear.

Thus the use of bonderized steel strip allows for a significant increase in production step frequency. Further convincing advantages are e.g. the high deformation degrees and even wall thicknesses.