Silkall ZN
 
Zinc Oxide 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       ZINC OXIDE
CAS No.    9009-99-8   1314-13-2
EINECS    ------      215-222-5