No, papers like newsprint contain chemical impurities that are affected by light and oxygen over time. These will still tend to turn yellow. It will not dissolve inks or adhesives, and it will not interfere with taggent materials. The material dries odor-free, and it can be used in spaces with normal ventilation with no special exhaust requirements. Even though the product is very safe, you should always consult with a professional conservator before treating any artifact that has a high commercial value.
Many companies sell products to test for acids in paper.
These require you to use a special dye to place a permanent mark on the paper, or to use a special test strip and place a drop of water on the paper. A pH of less than 6.5 is undesirable for paper. Top of Page All images are copyright of Preservation Technologies and cannot be reproduced without their written permission.