Biochemical

Guangzhou Ayusiink Co.,Ltd is one of the leading China uv 270 varnish (free uv base inks) manufacturers and suppliers with professional factory. Welcome to wholesale uv 270 varnish (free uv base inks) from us.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.The base inks can be common offset inks or UV offset inks.?1. Features1.?After drying, ink skin has good adhesion, good flexibility, not easy to fracture.2.?UV270 can be use on UV base ink, and also can be used on usual offset inks (Free UV inks base),can be used on white paperboard and silvery & golden card paper.3.?After coating, this paper product can not be processed of gold stamping.4.?After coating, the varnish surface smoothness is pretty good.2. Technical IndexMain components: light curable epoxy acrylic resin, light initiator, active diluent, additivesAppearance: yellowish to pale yellow liquid?Odor:little odor of solventGlossiness： ≥80° (60o ASTM) , Use the 0# bar to scrape on white cardboard and test after curing.??????????????Viscosity：35-45s（No. 4 cup, Winder 25℃;Summer30℃） ? ? ??3. Using method1.?this UV 270 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 moderately. ?4.Attention: ? ?1. Note that the speed should be suitable according to the UV lamp& acute;s power and the use of time to