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The Printing Corporation of Pakistan (PCP), established on 1 January 1969, is a self-financed private limited company. [1] It was formed by merging the four government printing presses of Islamabad, Lahore, Karachi and Dhaka. PCP provides limited printing services to federal government departments and generates its own funds.
Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
From 1968 until about 2003 paper manufactured at Pakistan Security Printing Press, Karachi was used to print the stamps. [47] The ink used was also manufactured at the same place. [ 47 ] Near the end of the 2003, paper manufactured by Tullis Russell Coaters, UK started being used, and it continued for the next year.
The CMYK color model is based on the CMY color model, which omits the black ink. Four-color printing uses black ink in addition to subtractive primaries for several reasons: [2] In traditional preparation of color separations, a red keyline on the black line art marked the outline of solid or tint color areas. In some cases a black keyline was ...
In July 2017, it was acquired by the State Bank of Pakistan from the Government of Pakistan for Rs. 100 billion. [1] In the same year, National Security Printing Company was incorporated which tookover tasks of printing passports, national identity cards, and stamp papers from Pakistan Security Printing Corporation. [4]
Some cold-set web presses can be fitted with heat dryers, or ultraviolet lamps (for use with UV-curing inks), thus enabling a newspaper press to print color pages heat-set and black & white pages cold-set. Web offset presses are beneficial in long run printing jobs, typically press runs that exceed 10,000 or 20,000 impressions.