offset printing inks


transfer of ink
The transfer of offset printing ink to the printing substrate or intermediate carrier through splitting the ink layer is mainly affected by the following parameters: the thickness of the ink layer on the offset printing plates (ink supply), the period of contact (printing speed and geometry of the printing components), […]

Offset printing inks – transfer



eco printing inks
Some of the pigments used in ink contain metallic substances which are harmful to human health and the environment such as cadmium, chromium, lead and mercury. Conventional printing inks are petroleum – based and used with alcohol-based solvents. As alcohol and petroleum evaporate Volatile Organic Compounds (VOCs) are emitted. VOCs […]

Ecological Printing – Inks and Coatings



plate blinding or wear
Problem:Part or all of image on plate does not take ink. Cause: Fountain solution too acidic Excessive gum in fountain solution Plate cleaners and/or scratch removers have dried on plate image Fountain system contaminated by detergent Excessive fountain solution in ink Improperly developed plates; gum adheres to image area   […]

Plate Blinding Chemical


The Ink Roller Train
The ink roller train consists of an ink fountain with ink keys, an ink distribution blade and roller, a ductor roller and alternating hard and soft distribution rollers. Proper ink distribution begins at the ink fountain. If the blade is nicked, the roller surface scored or pitted, or the fountain […]

The Ink Roller Train






GATFBar
Print Control Strips in offset printing are used to help printer controlling color thru whole process of printing and at the end we have a quality printed product.This control strips are usually put across the edge of the printed sheet containing various test elements for each of the four colors. […]

Print Control Strips