Grinding Discs Of Deswik Mill . ... Problems Associated With Using The Knelson Deswick Mill. Originally developed in the mid1990s for the fine pigment industry by Deswik Ltd. in 2010 Deswik and Knelson signed a partnership and the name was changed to the KnelsonDeswik mill. In 2012 Knelson became a part of the FL group and the mill received its ...