The main classification methods of lithographic printing inks are as follows:
Sort by color. There are two major types of offset inks, color inks and non-color inks. Among them, the color inks contain various series of three-primary-color inks, such as international general-purpose, American Kodak-type, Japan and Western Europe general-purpose three-primary-color inks.
According to the nature of the pigment. Offset printing inks are divided into ordinary pigment (organic and inorganic) inks and metal pigment (copper, aluminum, etc.) inks.
Connect the connection mechanism. Offset printing inks are classified into two types: grease type ink and resin type ink. among them. Resin type inks are divided into ordinary type, high gloss type, fast fixing type and fast fixing bright type ink.
By press type. There are two types of offset printing inks: sheet-fed offset printing ink and web offset printing ink.
According to the purpose of printing process. There are two types of offset printing inks: proofing inks and printing inks.
According to the nature of printing materials. There are two major types of offset inks: paper inks and iron inks.
According to the dry form of ink fixing. There are two major types of offset printing inks, thermosetting and non-thermosetting inks, among which non-thermosetting inks are divided into oxidative polymerization type and infiltration solidification type.
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