Two Color Matching Methods Of Stretch Film

Stretch films are now widely used in our life and work. The stretch films we see are generally colorless and transparent, but when we use them, we also notice that many stretch films will also have other Color, stretch film has a variety of colors, different uses are used to different colors, so the color matching process is an important process in the production of stretch film.

1. Visual color matching: For experienced color matching personnel of stretch film, before color matching, they must have a clear and clear concept of the colorants they need. Have a clear understanding of the performance of the colorant used, and also accumulated a lot of representative plastics, the visual color matching method is a good trial method, but it is not very scientific, so it is only suitable for simple Color matching, but also requires operators to have rich experience in color matching, otherwise it will be difficult to operate.

2. Instrument color matching: The method of using instruments to color the stretched film is actually a method derived from the process of visual color matching. This method uses photometers and other measuring instruments to replace the human eye and brain. The function of the color ratio is also carried out by computer simulation, without the actual mixing and use of plastic coloring, and the operator only needs to measure the reflectance, which is its standard value, and choose to use open The color matching pigment is enough. By adjusting the concentration of the color matching pigment, the conversion value of the measurement system is consistent with the standard. If the operator chooses reasonably, the system will output a formula in the form of mass fraction, and then put the Convert to mass ratio according to this recipe.