offset printing


Checking rub resistance on printed cardboard coated with aqueous coating
RUB RESISTANCE When printed materials rub against machinery during finishing operations or against each other during shipping or handling, the printed surface is subject to a rubbing action that tends to wear or scratch the printed surface. Water-based coatings applied over the printed surface help to improve the rub resistance. […]

Most Important Characteristics of Aqueous Coatings



blanket for printing
Although printing blankets may appear similar on the surface, there are a number of factors to consider when selecting the proper blanket for your press and printing application. Printing blankets have many physical properties that vary depending upon the manufacturer and the blanket style. Characteristics such as: All these properties […]

Key Characteristics of Blankets for Offset Printing



When the color is too weak in offset printing, several problems can occur, leading to low quality final results. These problems can be: Dull or Faded Colors This is problem especially when the job requires shiny, bright, vibrant colors to stand out, such as in marketing materials, brochures, or packaging. […]

The Impact of Weak Color on Offset Printing Quality


Plate Blinding Plate blinding in offset printing is a situation when printing plate’s non-image areas (the areas that are meant to remain ink-free) become covered or clogged with ink, causing them to inadvertently accept ink.  This results in unwanted marks or faded images being printed in areas where they should […]

Common Offset Printing Problems and How to Solve Them


rollers in the offset printing press
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 […]

Exploring the Components of the Ink Roller Train



Color Bar
Density is the level of darkness in a negative or positive film or print,so the measurement of density is called densitometry. An instrument called a densitometer is used to measure the density. Any printing process from the most simple black and white work to complex color work will benefit from […]

Densitometery Used in Printing Process – Great Element for Control


Slurring refers to a distortion in printed images caused by specific conditions during an offset printing press run. This distortion makes dots or type appear shifted, either laterally or circumferentially, depending on the direction of the slur. Each type indicates distinct issues that require targeted solutions.   Slurring in the […]

Understanding Slurring in Offset Printing: Causes, Detection, and Solutions