Stretch wrap film is used in many places in people’s daily life. Good products have the advantages of strong flexibility and tear resistance, and this has an inseparable relationship with their production, non-standard operation may affect the application of the product, such as the surface formation of black spots, this will not only affect the appearance but also affect its application, then why stretch film surface formation of black spots? Next by the Sinyar stretch wrap film to introduce to You:
1, Because the tension stretch film ink hiding power is not strong.
2, Because its leveling is very poor, the composition is hidden uneven, resulting in an aluminum coating color that will penetrate the ink immersion out.
3, Stretching wrap film dry is not complete, solvent evaporation is not sufficient, the composition of the adhesive residual solvent is too much, resulting in some ink layer being dissolved in the light, the formation of mottled.
4, Ink and adhesive do not match, resulting in the adhesive on ink penetration is not good, and then reveal the phenomenon of exclusion, the formation of mottled.
5, As a result of the ink surface tension, is low, the ink layer and aluminized layer of mutual adhesion and density between the formation of concave and convex, and then in the visual composition of stretch wrap film with white or gray mottled.
Sinyar stretch wrap film, a 17-year-old factory, focusing on foreign trade exports, for the world’s top 500 enterprises to provide winding membrane, non-mixed recycling materials, to ensure the quality of stretch wrap film, there is a need to contact:
EMAIL: kira@plasticwraproll.com
TEL: + 8618952461553
