Letterpress ink and gravure ink

Letterpress ink

First, what is the letterpress ink?
It refers to the generic name of various letterpress inks used in various relief printing methods. A type of ink for letterpress printing that is used to print inks such as books, newspapers, pictures, documents, books, etc. The main feature of letterpress printing is that the printing plate surface of the ink part protrudes from the non-inking part.
Second, the letterpress ink classification according to the type of printing press and the use of printed products (1) printing ink (2) copper ink (3) letterpress rotary ink (4) flexible letterpress ink three, the common letterpress ink 1, letterpress printing ink: It is suitable for inks printed on the platform letterpress printers and small batch prints.
2. Toppan color ink: It is suitable for the ink of the platform letterpress printing machine to print small batch color printing parts (such as trademarks, advertisements, manuals, etc.).
3, letterpress rotary printing ink: for letterpress rotary printing press printing ink on the paper.
4. Relief wheel transfer printing ink: It is suitable for letterpress printing press printing press ink on roll letterpress paper.
5, letterpress color newspaper ink: for letterpress rotary press printing on the roll letterpress color newspaper ink.
6, copper ink: suitable for copper printing ink.
7, letterpress plastic film ink: suitable for the platform letterpress printing ink printing plastic film.
8. Flexo printing ink: It is suitable for the printing of printing materials such as plastic film, metal foil, paper and corrugated paper on flexographic printing presses.
Also called relief ink. A generic name for various inks that are suitable for relief printing.
Including printing inks (type printing inks), letterpress printing inks, letterpress color inks, letterpress printing inks, letterpress printing inks, letterhead printing inks, copper ink, zinc printing ink, flexographic ink, letterpress plastic ink.
The letterpress ink refers to the portion of the printing plate surface of the printing plate that is applied with the ink portion protruding from the non-graphic portion.

Gravure ink
First, what is gravure ink?
Also known as gravure ink, it is a generic term for various gravure inks used in various gravure printing methods. A type of ink that is suitable for gravure printing. When printing, the pattern portion that is recessed on the plate is inked, and the ink of the non-graphic pattern portion is wiped or scraped and then printed. There are carved gravure ink and gravure ink points.
Second, the gravure ink classification 1, according to the plate-making method points (1) gravure ink (2) engraving gravure ink 2, according to the ink characteristics (1) water type gravure ink (2) alcohol type gravure ink (3) benzene type gravure Ink (4) Gasoline type gravure ink (5) Intaglio plastic film ink (alcohol type) (6) Intaglio compound plastic (cold composite, thermal compound) ink (7) Paper gravure ink and film gravure ink 3, Press printing machine Molecules (1) Platform gravure ink (2) Rotogravure ink III. Solvents commonly used in gravure inks 1. Alcohols: Ethanol (ethanol), Isopropanol, Butanol 2, Ester Solvents: Ethyl acetate, Acetic acid Butyl ester 3, benzene solvents: toluene, xylene 4, ketone solvents: cyclohexanone, acetone, methyl ethyl ketone (butanone)