3M™ Secondary Liner 4994 is a white 3.2 mil (0.08 mm) densified kraft liner with a release coating on both sides. This silicone-coated DK paper liner features a low-release coating on one side and medium-release on the other for specialized applications. It is engineered for single and double sided tapes in applications requiring rotary die-cutting.
3M™ Secondary Liner 4994 is a white, 55 lb (25 kg) densified kraft paper liner featuring silicone release coating on both sides. It is excellent for applications requiring both medium and low release: one side is medium release while the other delivers low release. This differential liner offers the ability to self-wind double sided tapes. The liner is caliper controlled and designed specifically for rotary die-cutting. The low release coating is ideal for use with 3M™ High Tack Acrylic Adhesive 300.