Low Structure Specialty Black REGAL 350R
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The dispersibility of REGAL 350R pigment black depends on the equipment used and the formulation. It is one of the easiest Gloss Ink Blacks to disperse.
REGAL 350R is also available in an easier to handle pellet form as REGAL® 350. The pelleted form, however, is more difficult to disperse.
REGAL 350R pigment black is a blue tone carbon black with very low vehicle demand and moderate color strength. It is used primarily in lithographic gloss ink applications where additional blue undertone is desired. REGAL 350R is the bluest of the pigment blacks typically used in high gloss heatset inks. The increased blueness can result in savings on blue toner.
REGAL 350R pigment black is also very applicable in liquid inks requiring low viscosity. The low contamination level of REGAL 350R is very desirable in reducing cylinder abrasion, which can occur in long gravure press runs. Though it has the lowest color strength of the pigment blacks typically used in gloss ink applications, it is of moderate strength compared to other grades used in liquid inks. Its blue tone and gloss are beneficial in printing on non-porous substrates, and its low structure imparts scuff resistance when applied to porous substrates.REGAL 350R is also available in an easier to handle pellet form as REGAL® 350. The pelleted form, however, is more difficult to disperse.