How to choose genuine rutile titanium dioxide
Release time:
2023-01-10
Rutile titanium whiteRutile titanium white is widely used in industries such as coatings, plastics, rubber, and inks. Rutile titanium white can achieve the same technical performance as titanium dioxide, significantly reducing raw material costs. There are many fake rutile titanium white powders on the market, which can lead to the precipitation of white substances during plastic processing, mixed with a lot of calcium powder. To adjust the oil absorption changes caused by the addition of calcium powder, wax powder is added, deceiving many consumers. So how can we identify the authenticity of rutile titanium white powder?
1. Chemical methods:
1. Add light calcium or heavy calcium to dilute sulfuric acid or hydrochloric acid: bubbles will form, making the solution turbid, because calcium carbonate reacts with acid to produce carbon dioxide;
2. Add titanium dioxide, dilute sulfuric acid or hydrochloric acid, and there will be a rotten egg smell;
3. Make latex paint, add iron red, if the color is dark, it indicates poor hiding power, which is either fake or of poor quality titanium dioxide.
2. Physical methods:
1. A simple method is to compare the hand feel; fake titanium dioxide is slippery, while real titanium dioxide feels awkward;
2. Wash with water; fake titanium dioxide easily washes off from hands, while real titanium dioxide does not wash off easily;
3. Take a cup of clean water and add titanium dioxide. The one that floats is real, and the one that settles is fake.
After understanding the methods to identify the authenticity of rutile titanium white powder, let's look at how to choose it:
1. Hiding power: Rutile titanium white can strongly scatter or refract light. If there is enough titanium dioxide in plastic products, all light on the surface will be reflected, giving the product good hiding power.
2. The whiteness of titanium dioxide: it can effectively scatter visible light, giving products whiteness. Generally, different plastics have their own colors, so the whiteness is significantly different. Therefore, the whiteness of each titanium dioxide should be compared with the whiteness of the same type of plastic.
3. Dispersibility: It has an important impact on the application performance of rutile titanium white in plastics. Generally speaking, the finer the particles, the higher the coloring power and the stronger the hiding power. This is because the specific surface area of refined titanium dioxide is larger, leading to stronger light scattering.
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Key words: tengxian titanium dioxide, titanium dioxide, rutile, titanium dioxide manufacturers, anatase titanium dioxide, titanium dioxide manufacturers, anatase titanium dioxide, rutile titanium white
Contact Information
Address: Teng County, Guangxi Chemical Industry Zone