The gloss of a PET plastic box refers to the degree of specular reflection on the surface of the box, expressed as a percentage. The higher the gloss of the box, the more mirror-like the light reflected on the surface, the more it can display the bright appearance characteristics. In fact, in addition to the specular reflection on the surface of the box, there is diffuse reflection and the gloss of the box is reduced. High-gloss packaging, the ink will be more vivid prints, ink visual effects.

1PET plastic box in scraper angle and scraper hardness. The smaller the angle of the squeegee, the greater the amount of ink to be transmitted, and vice versa, the smaller the amount of ink to be penetrated; the greater the hardness of the squeegee, the smaller the amount of ink to be penetrated, and vice versa, the greater the amount of ink to be squirted.

2 ink viscosity. The greater the viscosity of the ink, the smaller the amount of ink passing through, and vice versa, the greater the amount of ink passing through.

3 printing materials. The greater the surface roughness of the printing material, the better the ink absorbability and the greater the amount of ink penetration, and vice versa, the smaller the amount of ink penetration.

4 printing speed. The higher the printing speed, the smaller the amount of ink transmitted, and vice versa, the greater the amount of ink passing through.

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