By far the most common screen varieties is nylon (also known as nylon mesh and polyester (also known as polyester wire mesh, metal wire generally only used under certain conditions, silk screen has been basically eliminated.

1. The silk screen

     Silk screen is first used for silk screen printing plate, in the past some of the commonly called it the silk screen printing technology, natural silk net, silk screen, real silk, silk screen, etc.

     Silk screen of the features are: water resistance is strong, has certain moisture absorption, and the sensitive glue or a combination of photographic film sex good, elastic, easy to stretch mesh, plate-making job is simple.But silk screen of the poor wear resistance, chemical resistance, aging crisp, stretch mesh tension value is small, the cost is also higher.

     At present, in the silk screen printing plate making, silk screen has been mostly replaced by synthetic fiber mesh, few dosage.

2. Nylon (nylon) screen

     Nylon monofilament nylon mesh, also known as nylon mesh, is woven products, heat resistance, dimensional stability after woven processing.Plain weave can be up to 380 mesh, twill weave is greater than 330 mesh.

      Nylon net has the following characteristics: nylon net surface is smooth, ink good permeability, can use big ink particles and viscosity, thus can get fine printing design;Use very fine mesh woven mesh network, applies the painting design of thin lines and dot printing;Elasticity, have proper softness, good adaptability of substrates, applicable to bump and surface printing;The tensile strength, nodules fastness, good elasticity and frictional resistance, long service life.Acid, chemicals, and organic solvent performance is good, regeneration using easily, characteristic is with strong alkali corrosion resistance.

       Use nylon nets should be paid attention to the following: nylon mesh compared with polyester, silk net, the elongation, as not to cause printing failures, to increase the stretch mesh tension, contraction force also can become great at this moment, therefore requires the use of strength of net frame and stretch mesh machine;Because of its low heat resistance, if by the hot-melt method will net fixed on the box, in operational ways hard;Not resistant to strong acid, phenol, cresol, formic acid erosion;When ultraviolet effect on its slightly, keeping pay attention to avoid light.

3. Polyester (pet) screen

Polyester silk net, also known as ester screen.

      Polyester yarn network has the following features: small tensile elongation, elastic, single wire mesh is suitable for printing thick-film integrated circuits, semiconductor, index plate, counting board and other high precision printing;The tensile strength, structural strength, resilience and printed endurance are better;Have enough resistance to drugs, especially resistant to strong acid, strong resistance to organic solvents, like nylon renewable use;Low moisture absorption, almost not affected by humidity;High heat resistance than nylon;Affected by uv than nylon.

      Should be paid attention to when using the following: polyester silk screen size stability is good, suitable for high precision printing, so the nylon net needs to have a bigger stretch mesh tension, need strength greater box, tension wire mesh machine and stronger bonding;Polyester for hydrophobic, and version of the film adhesive is difficult, should pay attention to the wash before plate making, degreasing;Although low hygroscopicity, but not resistant to boiling water for a long time;Ink is nylon is a bit poor;Not resistant to strong alkali erosion.

4. Stainless steel wire mesh

      The plane stability of stainless steel wire mesh is wonderful, making graphic size stability, suitable for high precision printing

       Circuit boards and other products;Ink by excellent performance;Alkali resistance and tensile strength is very good;Good chemical resistance;Strong heat resistance, suitable for hot melt seal material (electric heating melt was printed) on the screen printing.The downside is: vulnerable to external forces twists and turns and damage, easily because of the pressure in the process of printing and make the mesh is flabby, impact resistance force, expensive, high cost.

5. Nickel plating polyester silk net

       Plating nickel plating polyester silk net is in polyester net about 2 ~ 5 microns thick layer of nickel material made of.It combines both the metal mesh and polyester mesh, can produce high tension, low elongation of the screen, to avoid the metal mesh caused by metal fatigue of low relaxation and polyester net and the adhesion strength of the membrane ills, wear resistance, electrical conductivity and resilience have improved.Therefore, the nets have wide applicability.The braided nodes of the network by the nickel plating and fixed, printing mesh is not easy to deformation, ink circulation chang, printing ink layer thickness even.

       This web is about to take off the membrane with the disadvantages of the oxidation of liquid to resistance is poorer;The price higher than that of polyester mesh, but inexpensive in stainless steel wire mesh.

6. Flat screen

        Flat screen is the screen side made by pressing.The screen can make the ink transfer quantity is little, the ink layer thinner, and can prevent the ink penetration and spread flow, especially suitable for uv type of ink.The thickness of the flat screen, opening due to the pressure will be smaller, so only use a small amount of ink can be printed.Flat screen to improve the printing ink printing eligibility, reduce the amount of ink and ink saving are very favorable.Because of the cross section shape of the flat screen will be as shown in figure 2-3 deformation, some people think that because of the deformation, can reduce the wear of scraper, improve ink through force and protect version of the film.

7. Antistatic screen

       Using silk netease made of nylon, polyester and other synthetic fibers with static electricity, is a huge disadvantage.Although there are a variety of prevent charged method, but are not very perfect, especially in the dry, some substrates can not completely eliminate static electricity.Antistatic screen as shown in figure 2-4, to make the horizontal electrical conductivity, wire line core contains carbon, eliminate electrostatic effect is very good.

Take evanescent hues net 8.

       Exposure in the screen printing plate making process, often produce the phenomenon of the halo, unnecessary reflected light exposure can cause defects.

       The reasons for this phenomenon from the line as a silk screen material reflection, so as long as you avoid causing reflection, absorb the reflected light can, so generally use silk screen with color.

Generally USES ultraviolet light exposure, but also mixed with visible light.Better dyeing silk screen color with light color, dark to extend the exposure time.

9. Nickel foil perforated mesh

       Nickel foil perforated mesh screen is a kind of high technology.It is not a woven net, but a foil, that is composed of nickel foil hole, the hole a hexagonal, electrochemical forming legal system into a round hole shape is also available.The whole smooth surface uniformly thin, can greatly improve the stability of the imprinting and precision, and used for printing conductive ink, chip and integrated circuit high technology products.Can distinguish the electric line spacing and positioning accuracy of 0.1 mm to 0.01 mm.

10. Edge wire mesh

     This is aimed at the shortcoming of stainless steel wire inelastic and designed a kind of wire mesh, namely with special elastic material around the stencil splice a elastic edge, the image area distribution within the scope of the stencil.