This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. Product properties and criteria for use in catalogues, instruction leaflets, safety data sheets and other information material that we make available to the buyer, as well as product descriptive statements are not to be understood as guarantees for a particular quality of the products nor as an agreement on the quality. Any such quality guarantee must be exclusively agreed in writing. Any existing industrial property rights must be observed. The quality of our products is warranted under our General Conditions of Sale.