When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
When it can be crushed by hand pressure or the surface is not sealed, to prevent small pieces from escaping, the material is considered friable. In this condition fibers can be released and pose a health risk.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.