resin color developer

RF118 is a color developer of zinc salicylate resin.It has the advantages of rapid color developing,excellent performance at the low temperature and good resistance to aging.Besides,its viscosity is low and its formula is convenient.So it is widely used in acrbonless copying paper industry. physical and chemical indices: Items Indices Test methods Appearance Milk white wmulsion Visual inspection Solid content,% ≥ 45 Q/XRF 001-2007 Viscosity(25),mpa.s 20-200 Q/XRF 001-2007 Particle diameter distribution,% ≥65 Q/XRF 001-2007 PH value 4.0-6.0 Q/XRF 001-2007 Zinc content(dry base),% ≥6.5 Q/XRF 001-2007