The 3M repair paste release liner allows the 3M repair paste 2110 or RP 2220 to cure in a clean environment and prevent dripping or contamination. This release liner has a glossy side and a matte side to match and blend with the surrounding surface. Once cured, the repair liner can be easily removed and the repair easily sanded and painted. The 3M repair paste release liner allows the 3M repair paste 2110 or RP 2220 to cure in a clean environment and prevent dripping or contamination. This release liner has a glossy side and a matte side to match and blend with the surrounding surface. Once cured, the repair liner can be easily removed and the repair easily sanded and painted. the best for your best 3M is proud to partner with organizations across the spectrum of aerospace and related industries. Enabling efficiencies, reducing process times and lowering aircraft weight is how 3M executes a never ending mission to offer best-in-class adhesives, sealants, surface protection products and composite resins that effectively reduce costs on multiple fronts. Professionals across the industry know the numerous advantages of 3M Aerospace. The 3M brand is widely recognized for the highest standards of quality and performance, adding value to the final results. By engineering reliability, longevity and value into all of our products, we have a history of saving money by reducing waste, rework and time.