Monthly Archives: October 2011




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


printing press cleaning
 There are four basic solvent types for washing up the press. In most cases, the same wash can be utilized for both rollers and blankets. Water-miscible washes The most popular type in the industry, water-miscible (or mixable) washes can generally be blended with 20%-50% water. Featuring moderate drying speeds, these […]

Solvents for Washing Offset Press



graphic diagram of deinking
The ability to deink paper – in other words, to separate ink and coatings from it – is crucial for sustainable recycling of it. Good deinkability is a prerequisite for using used paper to make graphical papers and hygienic paper products. Effective processes are available today for removing aqueous coatings […]

The Importance of Deinking in Sustainable Paper Recycling


sustainable eco ink for protecting nature
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 […]

Sustainable Printing: Inks and Coatings for the Environment


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