Thin / flexible vinyl (PVC) film, coated on both sides with a very aggressive natural rubber adhesive. Easy release flatback paper liner is moisture resistant. Exceptional quick stick and flexibility. Bonds even to irregular and porous surfaces. Has good conformability and elongation. 597 is ideal for mounting porous surfaces together. With a great initial tack, 597 is perfect for sign positioning, mirror manufacturing, engravers, insulating holding on metal buildings contractor and carpet mounting.