In addition to being acid free, the paper should contain no groundwood or unbleached pulp, meet strict limits on metallic content and be free from optical brighteners which artificially make the sheet whiter. They can be just as important in ensuring the longevity of your work. Light, heat and humidity all have an effect on paper. Sunlight and ultraviolet light can cause fading and brittleness. Buffered paper contains an agent to neutralise acids that might be introduced to the paper, or develop within the paper.
Essentially buffering is protection for the paper and any item stored within it. Buffered storage is generally a benefit but not recommended for some sensitive items. You can read more about buffering here. Now, just HOW does this apply to your …. Please click on each image below for more information, and to go to well-illustrated specific-topic blogs. The acid content in a paper is the best indicator of its life expectancy.
Acid free papers will last up to years under normal use and storage conditions. In terms of vintage paper and cardboard, each of these materials react differently to sunlight, temperature, and humidity — more often than not with damaging results.
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