Search results
Results From The WOW.Com Content Network
Ink requirement is defined as the amount of ink needed to print a unit area with a standard Solid Ink Density. For newsprint, the ISO 12647-3 specification is C 0.90, M 0.90, Y 0.90 and K 1.10, Status E, D50, 2o, density minus paper with polarization filter. Ink requirement is measured as g/m2 (grams of ink required to print 1 m2 of paper)
This standard is used to prescribe the test method that manufacturers and test labs use to determine ink jet cartridge yields. It also standardizes the appropriate method of describing the yield of cartridges in documentation supplied to the consumer by the manufacturer.
Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch (DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).
Sometimes ink suppliers will give a recommended transfer weight per square meter, expressed in g/m 2. This can be converted to cm 3 /m 2 by dividing by the density of the ink in g/cm 3. The American standard for transfer volume is a billion cubic microns per square inch, typically written as BCM / in 2, BCM/sq in, or BCM.
Some regulatory bodies [specify] have set standards for the amount of heavy metals in ink. [24] There is a trend toward vegetable oils rather than petroleum oils in recent years in response to a demand for better environmental sustainability performance. Ink uses up non-renewable oils and metals, which has a negative impact on the environment. [25]
Matte photo paper is less shiny. Matte and glossy prints typically feel different to the touch, and they have different photographic properties. Black density and gamut of matte papers is normally less than for gloss or luster papers because of less reflectance and greater absorption/spread of ink into the paper.
The main types of flexographic ink are water based, [2] solvent and UV curable. [3] The printing surface (substrate type) dictates what ink type it is advisable to use.Each type of ink has its advantages and disadvantages, therefore the type of ink used in printing is determined by factors such as price, speed, and the use of the packaging (food, cleaning, or shopping bags).
Comparison of some RGB and CMYK colour gamuts on a CIE 1931 xy chromaticity diagram. Specifications for Web Offset Publications, invariably abbreviated to SWOP, is an organization and the name of a set of specifications that it produces, with the aim of improving the consistency and quality of professionally printed material in the United States, and of certain other products, programs and ...