Why do plastics need fluorescent brighteners?

The use of plastic products in our life is very wide, it can be said that our life is inseparable from plastic products, such as we use the water cup, plastic bucket, so why say we use Sue oh contains fluorescent brightener?Why add such additives?Zhejiang fluorescent brightener manufacturer tells you why you need to add fluorescent brightener in plastic.

Every time plastic recycling, each use of a large number of color agent, will gradually reduce the content of plastic, leading to less and less plastic ingredients, the difficulty of recycling and reuse in the future.And the plastic will become more brittle and less valuable!Because this is opposite, the development trend after plastic is color simplification, the plastic of light color USES value more and more high.So whether you're making plastic or plastic granules, you should pay attention to color.

Why do plastics need fluorescent brighteners?

As far as possible to add a few color agent, more than a few high-grade auxiliary fluorescent whitening agent.It is a kind of plastic additive, not only can be used in white, but also can be used in other colors above, white whitening, color increase brightness, fluorescent whitening agent is an optical principle, so will increase the weatherability of the product is not easy to fade.Rqt-b-3 fluorescent whitening agent is a kind of whitening agent specially used for plastic extrusion, granulation and other high-temperature plastics. In terms of cost, the amount of fluorescent whitening agent added is very small, about 200g for a ton of product added, which basically does not increase the cost compared with the color agent.