My museum would like to use a colored fabric to line the interior of our exhibit cases.
Several factors determine a fabric's safety for use as a lining material.
One is the fiber content of the fabric. Certain fibers, such as silk, are by nature acidic and should not come in direct contact with objects that are vulnerable to acid. Other fibers may emit harmful volatiles, such as sulfur compounds. Wool fabrics and felts containing wool are an example. Wool is also a food source for some museum pests.