SILCOLEASE® UV CATA 221,
when properly used is currently permitted for direct and indirect food contact
under Sections 21CFR175.320, 21CFR176.170 and 21CFR176.180
of the Federal Resister. A Technical Service Representative should be consulted
for information on proper use and curing conditions.
SILCOLEASE® UV CATA 221 UV/EB cationic initiator is a 20% solids solution of diaryl iodonium tetrakis (pentafluoro phenyl) borate salt in reactive diluent providing low toxicity with high reactivity for fast ultraviolet light and electron beam initiated cures at low levels of addition.