1. Pearlescent pigments can be used in combination with transparent dyes or pigments to obtain unique and beautiful color effects, but if used together with opaque pigments, it will reduce pearl luster.

2. Mixing with high shear force or mixing for a long time, the particles of pearlescent pigment will be destroyed, which is the reason for the decrease of pearl gloss.

3. When the ink or paint is low in viscosity, the pearlescent pigment particles will precipitate, so please stir it when using.



Common problems and solutions

A, if the pearlescent effect is not obvious



◎ Add a strong hiding pigment or other filler.



◎ Re-estimate whether the amount of pearlescent pigment is too much or too little.



◎ Ink transparency is not high or film formation is poor, surface gloss is not enough, it is recommended to use better ink to improve.



◎ It should be checked whether the pearlescent pigments have been fully dispersed, and the pearlescent powder clusters will affect the pearlescent effect and cause other problems.



◎ Check the mesh line of the printing cylinder and the engraving depth and the particle size of the pearlescent pigment to match, and adjust the screen printing mesh.



B, large-area longitudinal stripes on the surface of the printed matter



◎ Check if the scraper is damaged and re-update if necessary.



◎ should adjust the viscosity of the ink properly



◎ The speed and pressure of printing should be adjusted to improve and screen tension and mesh distance.



C, pinholes or small bubbles appear on the printed surface



◎ Thinner does not match



◎ The above defects are caused by the inclusion of moisture or poorly dispersed powder in the ink, or the surface of the printing material falling into the dust during production.