Lineco's 3.5" Foil Backed Frame Sealing Tape seals off raw wood rabbets and fillets to protect the art and seals filler boards to the frame. An acid-free, lignin-free buffered paper is laminated to a thin aluminum barrier layer and coated with an aggressive, acrylic adhesive. The aluminum provides a barrier that stops acid migration and meets the FACTS standard for maximum preservation framing.
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