Sikall CA
 
Calcium carbonate coated with silk fibroin has been developed so that combination of fibroin and the inorganic material can be more effective.  Pre-coated pigment will cut cost when you design a formulation in which both silk and inorganic pigment are contained.
 

INCI      SILK       CALCIUM CARBONATE
CAS No.    9009-99-8    471-34-1
EINECS    ------      207-439-9