This is due to an acid free mat used by the framer for framing.
Acid free matte paper.
3 pack unbuffered acid free paper for storing and preserving precious quilts textiles linens.
Copy printer paper 821 invitations 395 art paper rolls 349 specialty envelopes 274 stationery 263 more.
Choose one of our acid free pre cut mats or customize an uncut matboard.
Golden state art 10 pack self assemble acid free cardboard paper frames photo mat with backing board pre gummed for artworks prints photos includes clear bags black 11x14 mat for 8x10 picture 4 5 out of 5 stars 26.
The paper is also buffered with an alkaline reserve such as calcium carbonate to neutralize acid compounds absorbed from the atmosphere or formed through natural aging.
This means the ph of the pulp that is used to form the paper is above 7 neutral.
The best mats to use are pure 100 cotton rag.
Buy online pick up 320 department.
Browse matte acid free paper on sale by desired features or by customer ratings.
Golden state art acid free pack of 25 11x14 black picture mats mattes with white core bevel cut for 8x10 photo backing bags 4 7 out of 5 stars 608 33 69 33.
It can be made from any cellulose fiber as long as the active acid pulp is eliminated during processing.
Available in my store.
Acid free paper addresses the problem of preserving documents and preserving artwork for long periods.
It is acid free and lightfast.
Pastelmat is ideal for use with all dry media pastel sticks panpastel pencils and charcoal.
You would not put chemically treated food in your body.
Acid free printer paper 4047 items filters.
Acid free paper is paper that if infused in water yields a neutral or basic ph 7 or slightly greater.
25 sheets 20 by 30 inches 75 sheets total 3 pack 4 5 out of 5 stars 136 23 80 23.
It has the added bonus of being gentle on both fingers and blending tools.
Add elegance and protection when framing photos or artwork by adding a frame mat in a complementary color.
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Get it as soon as thu oct 1.
Acid free papers are made using alkaline paper making technology.
It is also lignin and sulfur free.