Polymer Threshold pH Eudragit @ L-100 6.0 Eudragit @ S-100 7.0 Eudragit @ L-30D 5.6 Eudragit @ FS-30D 6.8 Eudragit @ L-100-55 5.5 Polyvirryl acetate phithalate 5.0 Hydroxypropylmethylcellulosephithalate 4.5-4.8

Table 1: Threshold pH of commonly used polymers.