Frame Sealing Tape
- Materials that have a pH of 7.0 or higher.
Used as a means of sealing backing boards to frames, this blue-grey pressure sensitive tape is composed of a layer of acid free label stock, foil barrier, and adhered with a non-yellowing, permanent acrylic adhesive. Attaches well to just about all surfaces and to conforms well to irregular surfaces as well. Also works well as a barrier inside the rabbets of wood frames.