What kind of whitening agent should bubble pad film choose??

In the packaging of some fragile products, you can often see the shadow of bubble film, the use of bubble film is mainly to avoid damage. In the production process of air cushion film, many manufacturers will add fluorescent whitening agent in the production process to improve the appearance of the product. However, even if some bubble film manufacturers add whitening agent, the whiteness value and brightness value are still not obvious. So which fluorescent whitening agent is the best choice for bubble film? Next, enmai will take you to solve this problem. The bubble film contains air in the film to form bubbles to prevent the impact of the product, so as to ensure the protection of the product when it is vibrated. At the same time, it also has the function of thermal insulation. Compared with the traditional packaging cost, the use of bubble film packaging is lightweight and can save a lot of mailing costs.

 

In order to improve the appearance of the product, fluorescent whitening agent is an indispensable additive in the production process of bubble film. However, the choice of fluorescent whitening agent is very important. If you choose the right one, you can get twice the result with half the effort, and if you choose the wrong one, the gain is not worth the loss. As we know, bubble film is usually a disposable transparent product. The so-called disposable product requirements are not particularly strict. In addition, bubble film has strong recyclability. Therefore, Jiaqi recommends using brightener 127, which has good compatibility with the raw materials of bubble pad. Only in terms of weather resistance, the weather resistance of brightener 127 is not as good as that of ob, However, for disposable products, there are not too many requirements for weatherability, so the use of brightener 127 is the most appropriate. This not only meets the requirements of users, but also saves the cost of manufacturers.