Matsumin Catalyst #3000 is a non-latent catalyst by compounding inorganic salt and is also an auxiliary to obtain fixing accelerate effect of Fixer F and cross-linking accelerate effect of self-cross-linking type acrylic emulsion It is unlikely to turn to yellowish like the other ordinary non-latent catalyst.
Also, Catalyst #3000 can be used as the viscosity reducer for any pigment printing paste. Compared to water, it does not worsen the original fastness properties since only a little amount is required.