Color Receptivity Studies with Scalenohedral PCC and Natural Chalk, 1994 Papermakers Conference Proceedings
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Most everyone is aware of the fact that the addition of a filler will cause an increase in dye usage. Ballpark figures that have been used for years articulate the following: Based on the weight of the fiber Add 1% of TiO2—add 10% more dye Add 1% of Clay—add 4% more dye Add 1% of Calcium carbonate—add 5% more dye The dye manufacturers are also refining their figures based on the type of calcium carbonate.
Color Receptivity Studies with Scalenohedral PCC and Natural Chalk, 1994 Papermakers Conference Proc