seal coating
TRANSCRIPT
Seal coatingSub coatingSyrup coatingPolishing solution
Zein/shellacGelaatincolorantCarnauba wax
Oleic acidAcaciaSub coating powderbeeswax
Propylene glycolSugar cane powderCal. carbonateParaffin wax
PEG 4000Corn syrupSugar cane powderNaphtha
Methylene chlorideSyrupCorn starch
AlcoholDistilled watersyrup
Distilled water
Nonenteric materials Hydroxypropyl methylcellulose (HPMC) Methylhydroxy ethyl cellulose (MHEC) Ethylcellulose (EC) Hydroxypropyl cellulose (HPC) Polyvinyl pyrrolidone (PVP) Sodium carboxymethyl cellulose (Sod.CMC) Polyethylene glycols (PEG) Acrylate polymers e.g. Eudragit E
Enteric materials: Cellulose acetate phthalate (CAP) Acrylate polymers (Eudragit L, S) Hydroxypropyl methylcellulose phthalate(HPMCP) Polyvinyl acetate phthalate (PVAP)