Composition of Water-based Ink: Water-based ink is composed of water-based high molecular resin and emulsion, organic pigments, water-soluble solvents, and related additives through physical and chemical processes, without volatile organic solvents, and without certain toxic or harmful substances found in solvent-based inks. Viscosity: Viscosity is the magnitude of the cohesive force within the ink and […]
Category: Material
Five Key Standards for Assessing Printing Ink Quality
Drying Speed The drying speed of ink typically affects printing quality and can lead to various printing issues, such as causing dirty backsides of prints or even hindering the smooth progress of web printing. Users commonly express that the drying speed of domestic ink significantly impacts print quality. Issues such as the occurrence of defective […]
The Characteristics Required for Gravure Inks
The Characteristics Required for Gravure Inks Gravure inks must possess specific characteristics to adapt well to the gravure printing process. In gravure printing, as the gravure cylinder rotates, it is coated with ink on its surface. Simultaneously, a doctor blade removes excess ink from the surface of the cylinder, leaving ink only in the engraved […]
Textbook Paper, Printing Quality Requirements, and Inspection Standards
Scope This standard specifies the applicable paper, printing quality requirements, and inspection methods for primary and secondary school textbooks. It is applicable to various textbooks used in regular primary and secondary schools. Teaching aids for primary and secondary schools and other categories of textbooks can refer to this standard. Referenced Standards The clauses contained in […]
Are you familiar with the printing paper used for offset printing in books and periodicals?
Name and Origin Printing paper for offset printing books and periodicals is a new type of paper developed to meet the rapid printing requirements of offset rotary printing machines, replacing letterpress printing paper. In addition to possessing the general properties of letterpress printing paper, this type of paper also needs to meet the specific requirements […]