Since ESVS is a self cross linking acrylic emulsion, catalyst is not necessary to achieve film durability where
curing conditions are optimum (3 minutes at 150 Deg.C) But where curing conditions are less than optimum an acid
or latent acid catalyst is recommended. The use of catalysts like Di-ammonium phosphate is recommended.
The neutralization should be done only after the addition of catalyst. Little excess of Ammonia would not in any way
harm the print paste. Print paste should be filtered well before it is taken for printing.
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