3M silicone release liner 4997 is a 4 mil white densified kraft paper liner with a silicone release coating on one side. This liner is designed for use in kiss-cutting applications. It is used in conjunction with a wide variety of adhesive types. 3M silicone release liner 4997 is a 4 mil release liner comprised of a 70 lb. Densified kraft paper material with a silicone coating on one side. The firm liner construction is excellent for kiss-cutting and similar converting. The liner is white in color and can be printed on to provide customization options. This liner is designed for applications with a variety of adhesive types and converter solutions. 3M secondary liners are available in a variety of designs and materials. 3M provides secondary release liners in polycoated and densified kraft, flat stock, HDPE and clear polyester film for a full range of adhesives and converting processes. Since 1925 when one of our lab assistants invented masking tape, 3M has been applying science to life - developing adhesive products and technologies that help entire industries and individual businesses worldwide. The work that began with a single 3M engineer now spans decades and generations. And all of it goes into each of our industrial labeling and adhesive products like 3M non-silicone secondary release liner 4997, to help businesses like yours operate faster, better and more efficiently.