ponceau 4r and titanium dioxide suppliers

Furthermore, titanium dioxide is used in various consumer products, such as cosmetics, toothpaste, and sunscreen, for its whitening and UV-blocking properties. The pigment is added to these products to provide a bright and flawless appearance while also protecting the skin from the harmful effects of UV radiation. Titanium dioxide is considered safe for use in cosmetics and personal care products, as it is non-toxic and non-irritating to the skin.

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 The sulfide in the metathesis reaction step is ruthenium sulfide, sodium sulfide, ammonium sulfide or hydrogen sulfide. The second reaction, the reaction temperature is 10 to 40 ° C. The reaction temperature is 10 to 40 ° C. The reaction temperature is 10 to 40 ° C. The reaction temperature is 10 to 40 ° C. 5〜lh。 The stirring speed is 0~15m / s, the compounding time 0. 5~lh. The addition of a nonionic surfactant can be nucleated by the fine crystal of nZnS-BaS04, which can effectively inhibit the growth of crystal nuclei.

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