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The precaution of using the masterbatch

In 2018, we obtained official government documents in the fields of safety supervision, environmental protection and fire fighting.(China masterbatch)

2022-02-25

The introduction of the masterbatch

Shandong Raytop Chemical Co.,Ltd established in 2006 with a registered capital of RMB 5,000,000 and an area of 100,000 square meters. Our company has 6 workshops and more than 260 employees.(China masterbatch)

2022-01-18

Whitener toxicity

1. Absorption amount and metabolism of fluorescent whitening agent on skin

2021-12-22

What the differences between optical brightening agent OB-1 Green and OB-1 Yellow?

2021-12-13

China cas no.:1533-45-5 Optical brightener for PVC

Optical brightener OB-1 china cas no.:1533-45-5 is the most commonly used whitening additive for many plastics, coatings, dyeing and finishing manufacturers. It has the characteristics of small addition amount and obvious whitening effect. Especially in the hands of recyclers of recycled materials, it is good for recycle products.

2021-11-17

Application of fluorescent whitening agent

The first theoretical explanation of fluorescence was in 1852, when Stokes proposed what later became known as Stokes' law. In 1921 Lagorio observed that the visible fluorescence energy emitted by a fluorescent dye was lower than the visible light energy it absorbed, so he reasoned that a fluorescent dye had the ability to convert invisible ultraviolet light into visible fluorescence.

2021-11-11