Biochemical

Guangzhou Ayusiink Co.,Ltd is one of the leading China uv305 reverse coating varnish manufacturers and suppliers with professional factory. Welcome to wholesale uv305 reverse coating varnish from us.1.Applicable scope：Be applicable to the UV curing device of roller coating machine, flexo coating machine, rubber blanket roller coating machine and partial paper coating and others different types of UV varnish coating. Mainly used in coating the paper products printed with UV printing ink.Specially, using with the UV reverse base inks can make the matte printing effect.2. Features1.?No solvent, no pollution, normal temperature drying2.?Little odor,high glossy,good flexibility and fine matte effect.3.?The performance of rub resistance and surface smoothness are better than our UV302,but the performance of gold stamping is little poorer than UV302.4.?Good adhesion,After drying, ink skin has good flexibility, not easy to fracture3. Technical indexMain components: light curable polyurethane resin, modified epoxy acrylic resin, light initiator, active diluent, additivesAppearance: yellowish to pale yellow liquidOdor：good ; little odor of solventGlossiness：80-90° (60o ASTM) , Use the 0# bar to scrape on white cardboard and test after curing.? ? ? ? ? ? ? ??Viscosity：35－45s（No. 4cup,winter25℃;summer 30℃） ? ??4. Using method1. Before using this UV 305 varnish, should stir it well, put it into the groove directly without adding any solvent. If ?offline coating and in case of papers stick to the rollers when using thin papers, or the varnish viscosity is too high when low temperature, then should heat the UV varnish to 40 to 45℃; another method is adding alcohol or isopropanol to dilute it.2. The glossiness performance is closely related to the paper surface planeness, coating method and coating thickness etc. suggestion is 4~6ɡ/㎡, if need Antiknock performance, suggest to use base inks(oil-based),and add the coating weight to 6~8g/㎡ on the base inks and surface varnish moderate