The description of the item 3913900087 of Italy HScode: Natural polymers and modified natural polymers, e.g. hardened proteins, chemical derivatives of natural rubber, n.e.s., in primary forms (excl. alginic acid and its salts and esters) : Non sterile With: a weight average molecular weight (Mw) of not more than 900 000, an endotoxin level of not more than 0,008 Endotoxin units (EU)/mg, an ethanol content of not more than 1% by weight, an isopropanol content of not more than 0,5% by weight