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All Poster Forum > Movie Posters > General Discussion > Bagsunlimited backings?
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Author Topic: Bagsunlimited backings?  (Read 127 times)
bigmike
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« on: December 28, 2011, 08:24:40 PM »
What is this Banner Blue Flute Archival cardboard backing here??

.125 thick Archival Corrugated.
Indefinite Storage.
This "Banner Blue" B Flute corrugated cardboard is buffered with 3% calcium carbonate.
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CSM
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« Reply #1 on: December 28, 2011, 09:10:26 PM »
Mike, maybe you could clarify your question.  You seem to have answered it in your post?
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Chris
bigmike
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« Reply #2 on: December 28, 2011, 09:17:27 PM »
I thought cardboard was bad? what is this compared to foam board?
This archival cardboard is expensive.
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CSM
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« Reply #3 on: December 28, 2011, 09:23:16 PM »
The calcium carbonate coating/buffer acts as an antacid and makes these boards archival. 

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Chris
bigmike
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« Reply #4 on: December 28, 2011, 09:27:35 PM »
Why do it to cardboard not foam board?
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