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 Original Art/Digital Photo. 13 x 19".
.040" thick Alpha Cellulose board.
Acid-free, lignin-free, buffered. Indefinite storage.
Description:
Backings for Original Art/Digital Photo
13 x 19"
100% Alpha-cellulose board.
.040" thick.  Off-white. Acid-free, lignin-free, buffered.
Indefinite storage
(100s of years).



Base SKU: kaf401319

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Conservation Grade Backings for Artwork.
11 x 17-1/4" .040" thick.
Acid-free, Lignin-free, Buffered. All white.
Description:
Conservation Grade Backing Board for 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 Photos, Artwork & 16 x 20" formats.
16 x 20-1/4" .040" thick.
Acid-free, Lignin-free, Buffered. All white.
Description:
Conservation Grade Backing Boards
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"
Description:
.040 Super Acid-Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
.040 Super Acid-Free Board
Base SKU: kaf401824

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BACKINGS for Maps.  36 x 26-1/4"
Description:
.040 Super Acid Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
.040 Super Acid Free Board
Base SKU: kaf403626

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BACKINGS for Photographs, Negatives. 5 x 7-1/8"
Description:
.040 Super Acid Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
.040 Super Acid Free Board
Base SKU: kaf40525

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BACKINGS for Readers Digests, Paperbacks. 6 x 10-3/8"
Description:
.040 Super Acid Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
.040 Super Acid Free Board
Base SKU: kaf40625

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BACKINGS for Legal Size Sheets. 8-3/4 x 14-1/8"
Description:
.040 Super Acid Free Board
Buffered. All white. Lignin-free. Acid-free. Contaminant-free. Meets Library of Congress archival standards.
.040 Super Acid Free Board
Base SKU: kaf40914

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Conservation Grade Backings for Maps, Newspapers.
28-1/4 x 19-1/4"   .040" thick.
Acid-free, Lignin-free, Buffered. All white.
Description:
Conservation Grade Backing Boards
28-1/4 x 19-1/4"   .040" thick.
Use for Maps, Newspapers.

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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