What ink auxiliary ingredients

It is a filler ① adjust the ink concentration of aid, but also increase the thickness of the ink film, to improve the wear resistance, it does not have tinting strength and hiding power. There are barium sulfate, talc, calcium carbonate, aluminum hydroxide, etc., when used to crush into a white powder. ② diluent Its role is to reduce the viscosity of the ink to prevent stripping phenomenon, the ink has a job suitability. The usual diluents have low polymerization linseed oil, mineral oil. The former is easy to mix with the ink, the role of soft; the latter dilution effect is obvious, but avoid excess, or printing is not effective. ③ anti-skinning agents and its role is to inhibit the ink drying speed to prevent the ink dried on the mechanical conjunctiva. Its main ingredient is an organic reducing agent and antioxidant. It can be added to the ink to be spreading to the mechanical contact with the ink. ④ offset preventing agent, its role is to prevent the printing ink layer reverse printed on the back of the paper, in order to ensure the printing quality. The most commonly used anti-offset agent is corn starch. ⑤ slip agent Its role is to improve ink rub resistance and mobility, reduce viscosity and improve film smoothness, reducing paper scuffing. Ink commonly used slip agent has a high melting point microcrystalline waxes, synthetic waxes and the like. ⑥ other additives, there are many other additives, such as dispersing agents, wetting agents, drying agents, stabilizers and the like. Company Name: Hangzhou Heng Fai Printing Equipment Co., Ltd. Address: Hangzhou City Stonebridge Road 278 Contact: Zhang Minfen Tel: 0571-85092573 85091653 Fax: 0571-85063237 Hangzhou ink http://www.hzeb.net/9702 -696 / 19433_21060.html