Sinocure Chemical Group Co.,Ltd.

The difference between Fluorescent brightener OB-1 green phase and yellow phase

Fluorescent brightener OB-1 is a commonly used brightener in the plastics industry, and it can be regarded as a star product in the plastics industry. Many plastic manufacturers are familiar with the optical brightener OB-1. The optical brightener OB-1 has two appearances, one is OB-1 yellow phase and the other is OB-1 green phase. In the past few years, most manufacturers used the brightener OB-1 yellow phase. Both use OB-1 green, so what is the difference between the two, today I will briefly explain to you.

  1. The production process is different: the production process of the fluorescent whitening agent OB-1 yellow phase and OB-1 green phase is different, which can usually be divided into the esterification method and the vulcanization method. The production cost of the fluorescent whitening agent OB-1 yellow phase will be slightly higher .
  2. Different shades: The shade of fluorescent whitening agent OB-1 yellow phase is blue and purple, while OB-1 green phase is blue. The heavier the blue, the better the whiteness. The white of OB-1 green phase is a kind of blue and white. , So now most manufacturers will choose the optical brightener OB-1 green phase.
  3. Whitening effect: When it comes to whitening effect, the two are actually the same, there is not much difference, but there are some differences in the color tone.

Everyone has a different visual sense of whiteness. Asians usually prefer blue and white, so mainland China usually uses fluorescent brightener OB-1 green phase. No matter what kind of appearance, customers can choose freely according to their needs.

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