Coating materials mainly include pigments, adhesives, additives and water. The combination of these four ingredients are closely related with the quality of the paper.
Coloring agents are used in the processing of paper making. A coloring agent is any dye, pigment or substance which when added to paper will impart a color.
Deinking agents are used for the removal of ink when recycling paper. The deinking chemical agents are based on formulations of sodium hydroxide, sodium hydrosulfite, hydrogen peroxide, chelating agents and surfactants.
Pulping chemicals refer to all the chemicals used in the manufacturingprocess of virgin fiber or regenerating nerve fibre. They mainly include talcum powder, cooking additives, anti-foaming agents resin control agents and preservatives.