How to solve the problem that pressure irregularity affects printing quality when printing self-adhesive labels Printing pressure has a great influence on printing quality.Maintaining an average and constant printing pressure in the effective printing area can not only make the printing ink uniform, small color difference, but also keep the size of the printing mark.It is feasible to achieve maximum flat flat printing printing pressure But because it is the manufacturing precision of printing plate flatness problem, and the adhesive is unlikely to be completely average thickness of base material, cause uneven pressure, affect the printing quality of the solution not average measures is a liner, where the pressure is small, the workbench bottom cushion; One is to reduce the hardness of flexible version.But reduce the hardness of flexible version is limited, if the soft hard through low, will make the geometric size of the text outward expansion, so that small font easily trance.When printing in large area, the problem of printing pressure is not easy to solve. For this, we borrow the method used in bronzing, that is, a layer of drying on the workbench to make 175 line reticular hardness of 90 silicone rubber version, which can solve the problem of exhaust and local pressure shortage. Sinograce chemical company produces various types of water-based ink raw materials with high quality and good price.

In the process of coating manufacturing, it is necessary to belong to the hydrophilic polar material Yan, fillers dispersed to belong to the hydrophobic non-polar material organic base material.In order to increase the affinity between inorganic matter and organic polymer, it is generally necessary to use coupling agent or other surfactants to treat the surface of inorganic matter, so that it changes from hydrophilic to hydrophobic, so as to promote the interface between inorganic matter and organic matter. Coupling agents and surfactants have some similarities in molecular structure and application properties, but there are also differences. Both are composed of hydrophilic and hydrophobic groups.Surfactant through the molecular hydrophilic group oriented adsorption on the surface of inorganic color, packing monolayer, which is a physical adsorption phenomenon, so as to improve the dispersion and wettability of the color and packing in the base material, so it is only physical adsorption, so the surfactant migration phenomenon affects the luster, appearance and adhesion. Coupling agent is through chemical reaction and the surface of inorganic fillers accidentally coupling consolidation and crosslinked polymer binders, combine two kinds of different material, plays a role of bridge, from the bonding strength, raise yan, filler dispersion process in the basic material and reduce the extent of interfacial energy, coupling agent is greatly better than surfactant.

Pigment is a white or colored fine powder substance which is generally insoluble in water, oil and solvents (some pigments are soluble), but can be evenly dispersed in water.Pigment and film forming material solution mixed on the surface of the material, can form a covering ability of various colors of the paint layer in wood products coating or finishing process, pigment has three functions. It is as a result of making lubricious lacquer, if enamel mixes lacquer to wait. Second, in the wood finishing process for the deployment of pigment colorants, used for substrate surface coloring. The third is to use it as physical pigment, used to deploy putty for wood surface inlay and fill holes. Our company produces wood lacquer, welcome to consult

Water-based adhesive is a one-component pressure sensitive adhesive of self-crosslinking acrylic ester at room temperature. It has adhesion to wood, PVC, metal, glass board and so on. It is suitable for wood skin, OPP tape, double-sided tape, aluminum foil tape and self-adhesive trademark paper. performance index Composition: acrylic polymer Solid composition: 55% 2 Viscosity: 6000 CPS/25 Crosslinking conditions :110 5 minutes to bake, set for 24 hours peel strength :> 1.4 KG/inch Adhesion: more than 24 hours PH: 7-9 Shelf life :12 months (stored in dark and cool place) Packing: 50kg/drum Feature 1. Pure acrylic latex, excellent outdoor weather resistance, good light resistance and transparency 2 .Single component, easy to use, environmental protection 3. Has high initial adhesion and adhesion, while taking into account the long-term high temperature environment of good cohesion 4. Excellent anti-transfer performance, transfer without residual glue is an important requirement of PVC OPP base material tape 5.PVC or OPP film as the base material coating conforms to the test, the amount of dry glue is not less than 25 grams per square meter