The role of wax additives in ink

2022-01-12   Pageview:525

There are many kinds of ink auxiliaries, commonly used in the withdrawal of sticky agent, withdrawal of light agent, drying agent, slow drying agent, thinner, friction-resistant agent, glossy oil, anti-scuffing agent, ink transfer oil, etc. Wax powder or wax emulsion in the ink mainly to play the effect of anti-scuffing, reduce viscosity and control gloss.

Removal of adhesives

Withdrawal adhesive has a very small viscosity, generally used in lithographic printing and synchro printing ink to reduce its viscosity. In offset printing, due to changes in paper properties and printing conditions, such as oil absorption, poor surface strength, front and back coating with the phenomenon of falling, when the desiccant is too much or printing shop room temperature is too low, will cause paper hair pulling, printing pile plate, paste plate and other failures, affecting the quality of the print. Therefore, when the above phenomenon, you can add the right amount of withdrawal of adhesives, it can play a role in weakening, eliminating the above failures.

Desalting agent

Withdrawing light agent is also known as a washout agent, is a relatively large amount of additives used in offset printing. There are two kinds of common evacuating agent: one is transparent oil, used for glossy ink; one is resin-based evacuating agent, used for resin ink. If you find that the ink color is too dark in the printing can not restore the original, you can add the appropriate amount of lightening agent to achieve the desired effect.


Desiccant is one of the very important printing ink additives. According to the different printing conditions and printing paper, the amount, type and usage of desiccant are also different. The commonly used desiccants are red dry oil and white dry oil. The drying of red dry oil is from outside to inside, while white bath oil is inside and outside at the same time. When printing, you need to choose the type of drying oil according to the requirements of drying the print and ink color. Generally, the amount of drying oil is 2%-3%, too much will be counterproductive and make the drying speed decrease.

Slow drying agent

Anti-drying agent is also called antioxidant, which is a kind of ink auxiliary opposite to desiccant. In the printing process, due to various reasons often cause downtime, when the downtime is longer, the ink on the dry skin. In order to solve such problems, it is often necessary to add the right amount of anti-drying agent to the ink on the machine, and run the machine a few times, so that it does not dry too fast.


In printing due to excessive ink viscosity or poor paper quality, etc., often produce paper hair pulling, plate failure, affecting the normal printing, at this time, in addition to adding the appropriate amount of withdrawal of viscous agent to reduce the viscosity of the ink, you can also add a small amount of thinner to reduce the viscosity of the ink, so that printing goes smoothly. Diluent of more types, generally low viscosity of the six ink transfer oil.

Anti-friction agent

Friction-resistant agent is also called smooth agent, most of these substances to wax additive based substances, in the printing ink particles coarse, such as white ink, gold and silver ink, etc., add the right amount of friction-resistant agent to increase the friction resistance and smoothness of the printed material.


Trademarks, albums and other high-grade prints, most of the surface of the print to be varnished to achieve a high gloss effect, the use of varnish, can be mixed in the ink before printing, can also be printed in the print after the addition of a varnish oil. But by the varnish treatment of prints, long after the yellowing, light resistance is poor. Therefore, now there are many alternatives to varnish new varnish has been applied.


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