Use Polyester (PET) Sheets for matboard windows, encapsulating irregular sizes, interleaving or any archival application. Archival polyester will not discolor, damage, or adhere to items placed in it or next to it. This polyester material is approved by the Library of Congress for safe indefinite-term storage. We use DuPont inert Melinex® or a suitable equivalent.
Museum Grade Archival
Polyester (Mylar)Sheets
11-5/8 x 17-9/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note: For polyester sleeves see Product Code: S1117R.
Museum Grade Archival
Polyester (Mylar)Sheets 14-7/8 x 22-13/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note: For polyestersleeves see Product Code: s1422R
Museum Grade Archival
Polyester (Mylar) Sheets
15-5/8 x 18-9/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note:For polyester sleeves see Product Code: S1518R.
Museum Grade Archival
Polyester (Mylar)Sheets
17-5/8 x 21-9/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note: For polyestersleeves see Product Code: S1721R.
Museum Grade Archival
Polyester (Mylar)Sheets 18-5/8 x 24-9/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note: For polyestersleeves see Product Code: S1824R.
Museum Grade Archival
Polyester (Mylar)Sheets 22-15/16 x 28-13/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Museum Grade Archival
Polyester (Mylar)Sheets 26-9/16 x 36-5/8" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Museum Grade Archival
Polyester (Mylar)Sheets 27-15/16 x 41-5/16" 4 mil
Use polyester sheets as windows for framed pictures, encapsulating irregular sizes, interleaving or any archival application. Our polyester is approved by the Library of Congress for Indefinite Storage.
Note: For polyestersleeves see Product Code: S2741R