SSB Shellac


Pharmaceutical Shellac SSB®

Chemical description: 
Shellac's molecular formula is C60H90O15, average molecular weight is 1000. Shellac's(95%) main ingredients after hydrolization are compound of fatty series,  hydroxy acid and polyster. Some of the compounds constitute oil phase acid, butin alcohol acid, open alcohol acid and laccaic acid. Alicyclic series structure's major component is laccaic acid. Shellac contains approximately 5~6% beeswax, cereal protein, other foreign matters and small amount of pigment. Shellac's accurate composition depends on its production place and preparation method. This product meets the current USP/NF, EP, JP pharmacopoeia standards.
 
Brand: SSB®
General name
Specification
Color
Appearance
Flake shellac(dewaxed) 
SSB 55 Pharma
Transparent yellow
Tablet, powder, pellet
Flake shellac(dewaxed) 
SSB 56 Pharma
Yellowish
Tablet, powder, pellet
Flake shellac(dewaxed) 
SSB 57 Pharma
Slight yellow
Tablet, powder, pellet
Bleached shellac (dewaxed)
3-Circles Pharma
Slight yellow
Powder
Bleached shellac(dewaxed) 
3-Circles EW Pharma
Slight yellow
Powder

Characteristics application:
Enteric coating, moisture-proof coating, taste masking, sustained release