tattoo losing ink
Pad printing inks are composed of solvents. It is the process of evaporation of the solvent ink which is the main mechanism to operate the pad printing process. When the ink is contained in the area of disc evaporation of the solvent causes the surface of the ink become sticky. The shape and flexibility of the platform is such that it compresses the plaque on the surface of printing rollers in the pavement base, after which it comes into contact with the sticky surface of the ink. The ink adheres to the platform, as the pavement surface lifts Print runs from the plate and lift the ink from the engraving.
As the pad moves along toward the object to print the solvent continues to evaporate from the ink on the pads and the outer surface of the ink becomes tacky. As the pad is in contact with the object and compresses the surface of printing roller pad through the object and the sticky surface of the ink stick to the surface of the object. The pad and then lifts the plane of the pavement rolls away from the surface of the object and press the ink on leaving on the surface. While this happens the engraved plate is charged with ink, and the pad returns to pick up another image of the plate.
These are basic process of pad printing. But we also need some simple rules for the preservation of the ink and color ink pad too. Some of these rules are the following:
* The ink should always be stored in a dry and well ventilated with a Dark Place temperature between 10 ° and 25 ° C. Precautions must be taken to avoid direct sunlight.
* The ink was mixed with colors should be preserved for a long time.
* The ink must also always be stored on a distance from any source Heat and fro and acid or alkaline products.
* Containers should be tightly closed and should be placed in the upright position.
* After using a container of ink, should be quickly closed again so that the remaining ink to dry Or a crust that forms on top. It is advisable to cover the ink with a thinner layer of the same series as the ink.
* The catalysts used in inks bi-components are generally hygroscopic and can lose its effectiveness in a humid atmosphere, if the containers are left totally or partially open.
* Production of technical specifications for security measures and risk prevention and hygiene.
* The recipient where the ink is prepared, and all the utensils used during preparation, must be kept clean and perfect condition, to avoid contamination of the preparation of ink.
It is also very essential to keep the ink pans, blades, mixing containers, spatulas, plates, etc. thoroughly cleaned after each use to avoid any possible conflict, this which may lead to a mixture of ink or auxiliary products of a different type
Before using an ink pad good knowledge of ink mixing is essential to achieve high quality imagery with silkscreen or pad printing. If the mixture is not properly process the entire printing may go wrong, as a result of which it may cause a loss of production and a waste of precious money, time and energy.
