SUNBRIGHT® Series comprising highly purified PEG as the starting material contains negligible bifunctional PEG derived from diol impurities. Imparts hydrophilicity and allowing to attach active substances with biocompatible anchor.
BENECEL K 4 M PH is most widely used polymer hydrophilic matrix system. Hypromellose, hydrophilic release retardant, 2208 type substitution with viscosity 2700-5040 mPas