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化學(xué)配方數(shù)據(jù)庫(kù)
配方類(lèi)型： INKS
配方說(shuō)明： flexographic Black Ink
配方組成： Formula No.
White shellac/39.5
Furnace black/12.0
Denatured alcohol, anhydrous/48.5
配制方法： Process as above, except that 24 hour grinding time is advised.
Formula No.2 Black Ink $D" Carbon black/15 Resin (polyamide)/30 Normal propanol/4 Isopropanol/51 The formulation procedure involves refluxing of the resin in solvent and adding this varnish to the pigment. The ink is then mixed by stirring or by grinding in a ball mill. After ball milling, the ink is cut to a No.2 Zahn cup viscosity of 22 sec with the same solvent used in the original varnish.

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