This product is non-ionic cellulose ether, having salt resistance, surface activity, thermal gelation property, PH stability, wa Meet the China Pharmacopoeia NF standard, United States Pharmacopoeia USP standard, the European Pharmacopoeia EP standard. 1. Physical & chemical propertiesItemsSpecificationMCMethoxyl content, MeO %27.0~32.0Hydroxy propyl content, HPO %-Residue on ignition,% ≤1.0Loss ...