PRODUCTION OPTIMIZATION AND APPLICATION OF PRINTING INK FROM WASTE CARBON SOURCES
CHAPTER 1 1.0 INTRODUCTION Ink is a liquid or paste that contains pigments and or/ dyes and is used to colour a surface to produce an image, text or design. Ink is used for drawing and / or writing with pen, brush, or quill. Thicker inks, in paste form, are used extensively in letter press and lithographic printing. Chemists view it as a colloidal system of fine pigment particles dispersed ...
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