can't read?
Polyacrylonitrile (abbreviation PAN) is the polymer of acrylonitrile.
P 4835 (OTTO) Polyacrylonitrile, pract Cas 25014-41-9 - used as packing filler, fireproofing and carbon fiber after weaving. P 4835 (OTTO) Polyacrylonitrile, pract Cas 25014-41-9 - used in hydrogen storage.