Our conservation grade SUPER ARCHIVAL BACKING BOARD material meets the Library of Congress archival standards. It is 100% alpha-cellulose, .040" thick, acid-free (alkaline pH 8.5), lignin-free, contaminant-free. It comes buffered with a 3% calcium carbonate buffer. Use for indefinite-term storage (hundreds of years).
 
 
BACKINGS for 14 x 18" Formats.
14-1/4 x 18-1/4".040" thick.
Acid-free, Lignin-free, Buffered. All white.
Description:
Conservation Grade Backing Board for 14 x 18" Formats
14-1/4 x 18-1/4" .040" thick
All white. Lignin-free. Acid-free. Buffered. Contaminant-free. 
Meets the Library of Congress archival standards. 
Indefinite Storage.

Base SKU: kaf401418

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BACKINGS for Original Art/Digital Photo.
13 x 19" .040" thick Alpha Cellulose board.
Acid-free, lignin-free, buffered. Indefinite storage.
Description:
Conservation Grade Backings for
Original Art/Digital Photo
13 x 19"  .040" Thick

All white. Acid-free, lignin-free, buffered. Contaminant-free.
Meets the Library of Congress archival standards.
Indefinite Storage.


Base SKU: kaf401319

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Conservation Grade Backings.
21 x 36-1/4"  .040" thick.
Acid-free, Lignin-free, Buffered. All white.
Description:
Conservation Grade Backing Boards
21 x 36-1/4" .040" thick

All white. Lignin-free. Acid-free. Buffered. Contaminant-free. Meets the Library of Congress archival standards. Indefinite Storage.

Base SKU: kaf402136

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Backings for Original Artwork.
11 x 17-1/4" .040" thick Apha Cellulose board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backing Boards for
Original Artwork
11 x 17-1/4"  .040" thick

All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards. 
Indefinite Storage.

Base SKU: kaf401117

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BACKINGS for 16 x 20" Photos, Prints.
16 x 20-1/4" .040" thick Alpha Cellulose board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backing Boards for
Photos, Artwork & 16 x 20" formats.

16 x 20-1/4"  .040" thick

All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards. 
Indefinite Storage.

Base SKU: kaf401620

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BACKINGS for Artwork, Photos, Unfolded maps.
18 x 24-1/4" .040" Alpha Cellulose board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backings for
Artwork, Photos, Unfolded maps.
18 x 24-1/4"  .040" thick Alpha-Cellulose board.

All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards.
Indefinite Storage.

Base SKU: kaf401824

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BACKINGS for Maps. 36 x 26-1/4".
.040" thick Alpha-Cellulose board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backings for Maps
36 x 26-1/4"  .040" thick Alpha-Cellulose board.

All white. Lignin-free. Acid-free. Buffered. Contaminant-free. 
Meets the Library of Congress archival standards.
Indefinite Storage.

Base SKU: kaf403626

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BACKINGS for Photographs, Negatives.
5 x 7-1/8" Alpha-Cellulose board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backings for
Photographs
5 x 7-1/8"  .040" thick Alpha-Cellulose board.

All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards.
Indefinite Storage.

Base SKU: kaf40525

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BACKINGS for Readers Digests, Paperbacks.
6 x 10-3/8" .040" Alpha-Cellulose board.
Acide-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backings for 
Readers Digest, Paperbacks
6 x 10-3/8"  .040" thick Alpha-Cellulose Board

All white. Lignin-free. Acid-free. Buffered. Contaminant-free. 
Meets the Library of Congress archival standards.
Indefinite Storage.

Base SKU: kaf40625

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BACKINGS for Legal Size Sheets.
8-3/4 x 14-1/8" .040" Alpha-Cellulose board
. Acid and Lignin-free. Buffered. Indefinite Storage.
Description:
Conservation Grade Backing
for Legal Size Sheets.
8-3/4 x 14-1/8" 
.040" thick Alpha-Cellulose Board

All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards.
Indefinite Storage.

Base SKU: kaf40914

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Backings for Maps, Newspapers.
28-1/4 x 19-1/4" .040" Conservation Grade board.
Acid-free, Lignin-free, Buffered. Indefinite Storage.
Description:
Conservation Grade Backing Boards for
Maps, Newspapers.
28-1/4 x 19-1/4" 
.040" thick. Alpha-Cellulose Board. 


All white. Lignin-free. Acid-free. Buffered. Contaminant-free.
Meets the Library of Congress archival standards. 
Indefinite Storage.

Base SKU: kaf402819

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