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  1. Acrylic ink adhesion

    How did the M87 work? I have been formulating UV inks for years. Without primer or surface prep, standard acrylic requires a special formulation of UV ink with minimum shrinkage otherwise tape test is essentially zeros.

  3. Why does Mimaki ink have a shelf life date?

    The main reason is pigment settling. The dispersants that keep pigments suspended are battling gravity and attractive forces of pigment. 12-15 months is about the best we ink makers can do. Second is that some inks are chemically reactive and the ink stabilizers essentially wear out...
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