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Offset printing ink for food packaging

文章出处：责任编辑：作者：人气：-发表时间：2018-11-07 16:49:00【大中小】

The graphic part of lithography (i.e. the oil-absorbing part) and the non-graphic part (i.e., hydrophilic oil drainage lang V) are on the same plate P plane. Using the oil water exclusion principle, through special processing, make the plate parts selective wetting ability a blank part to hydrophilic oil resistance, and figure form part of the oil and water resistance, printing plate coated with education version water first, make the gap of the plate are water embellish W, the ra form part of the oil, no water, and then coated ink, make graphics part of lis.

Compared with other printing methods, lithographic printing has the least inking and thin inks, so the ink color, density and friction resistance should be taken into account. Less inking will occur transparency, color and white phenomenon. Therefore, in order to achieve a certain color density, ink must increase the pigment containing teaching. But should notice, pigment concentration should not be too large, or the flow of ink.

Lithographic ink used dry oil as a linker, or in the solvent added resin as a linker. More commonly used is the drying oil and solvent, and the addition of resin as a link.

There are many types of offset printing inks, such as single sheet offset printing inks (quick drying inks, gloss inks, uv curable inks), offset rotary printing inks (thermosetting inks, etc.), cardboard inks, printing iron inks, etc.

下一篇：食品包装袋印刷过程中的连接料上一篇：塑料包装袋的抗静电剂

Offset printing ink for food packaging

文章出处：责任编辑：作者：人气：-发表时间：2018-11-07 16:49:00【大中小】

Lithographic ink used dry oil as a linker, or in the solvent added resin as a linker. More commonly used is the drying oil and solvent, and the addition of resin as a link.

下一篇：食品包装袋印刷过程中的连接料上一篇：塑料包装袋的抗静电剂

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