The Reasons For The Appearance Of Spots in PE Stretched Film

PE stretch film because it has very good tensile properties, can better package the goods and is widely used, but there are many customers reflect that there will be spots on the surface during use, below we will understand why there are spots.
If the viscosity of the adhesive of PE stretch film is too large, the fluidity will be bad, easy to cause uneven gluing, affecting the reflective performance of the surface of the aluminum plating layer, resulting in spots. PE stretch film ink surface tension is low, resulting in the adhesive coating effect is not good, uneven glue, so the ink layer and aluminum layer between the bonding force and layer tightness will be high and low, so the reflective effect on the surface of the aluminum layer is also strong and weak, in the visual formation of white or gray spots. PE stretch film manufacturers remind you that if the covering power of the ink is not strong or the leveling is poor, resulting in uneven coverage. In areas where the coverage effect is not good, the color of the aluminum plating layer will penetrate through the ink. The adhesive concentration is too high, the viscosity is too large, and it is easy to reverse stick the ink to the adhesive liquid, so that the color of the printing layer changes.
Therefore, the above is the main reason for the appearance of spots in PE stretch film, and it can also be seen through these reasons that the main problems occur in production, so we must pay more attention to the production quality when purchasing the product.