What is Rutile Titanium Dioxide(Rutile TiO2)?
Rutile type titanium dioxide (TiO2) is a crystalline form of titanium dioxide that has higher stability and different physicochemical properties than the other common form, anatase titanium dioxide. Rutile TiO2 is named after its crystal structure, which belongs to the rutile crystal system.
TRUNNANO Titanium Dioxide Powder
Technical Parameter of rutile type titanium dioxide(Rutile TiO2) for concrete:
| Test Item |
Specification |
Result |
| TiO2 Content |
≥ 94% |
95% |
| Rutile crystal content |
≥ 95% |
96% |
| Discoloration force ( compared to sample) |
106 |
110 |
| Oil absorption |
≤ 20 |
15 |
| PH value of water suspension |
6.5-8.0 |
7.5 |
| Material evapored at 105℃ |
≤ 0.5% |
0.3% |
| Residue left on 325 mesh screen |
≤ 0.05% |
0.007% |
| Water soluble content |
≤ 0.4% |
0.31% |
| Brightness, L |
≥ 95 |
96 |
Characteristics of rutile type titanium dioxide(Rutile TiO2) for concrete:
For concrete products, rutile titanium dioxide is added primarily to enhance their appearance, such as increasing whiteness, gloss, and hiding power. In addition, due to its good UV-shielding properties, rutile titanium dioxide can also help protect concrete structures from UV rays, thus extending their service life.
Properties:
High refractive index: Rutile titanium dioxide has a high refractive index (approximately 2.70), which allows it to provide excellent coverage and brilliance to concrete.
UV shielding properties: It can effectively absorb and reflect ultraviolet rays, reducing the damaging effects of ultraviolet rays on the internal components of concrete and preventing color fading and material aging.
Chemical stability: Rutile titanium dioxide is chemically stable and insoluble in water and other common acid and alkali solutions, which means that it is able to keep its properties unchanged for a long period of time in harsh environments.
Physical properties: Nanoscale rutile titanium dioxide particles have a large specific surface area, which helps to enhance their dispersion and adhesion in concrete.
Temperature resistance: Rutile titanium dioxide is more stable at high temperatures than anatase titanium dioxide, which is particularly important for certain concrete products that are subjected to high temperatures.
Dispersibility: Through appropriate surface treatment, rutile titanium dioxide can be evenly distributed in the concrete matrix, avoiding agglomeration and ensuring the quality and consistency of the final product.
Application of rutile titanium dioxide(Rutile TiO2) for concrete:
The application of rutile titanium dioxide in concrete is mainly focused on enhancing the aesthetics and durability of the material, and its uses include the following:
Application of Rutile Titanium Dioxide
Enhanced aesthetics: Due to its high refractive index and excellent optical properties, rutile titanium dioxide is able to provide concrete with a higher whiteness and gloss for a more attractive appearance. This is particularly important for precast concrete elements, decorative concrete products, etc.
Improved Coverage: As a highly effective white pigment, rutile titanium dioxide can effectively cover color irregularities or impurities within the concrete, resulting in a more uniform and consistent color in the final product.
UV protection: Rutile titanium dioxide has good UV shielding properties, which can protect the concrete structure from UV erosion, slow down the color fading and material aging process caused by UV exposure, and extend the service life of concrete products.
Increased weathering: By reducing the effects of UV light on concrete and by virtue of its chemical stability, rutile titanium dioxide helps to improve the overall weathering resistance of concrete materials, especially for concrete products used outdoors.
Special applications: In demanding projects such as bridges and high-rise facades, the use of concrete containing rutile titanium dioxide not only improves the appearance of the concrete, but also enhances the resistance of these structures to environmental factors.
Packing & Shipping of Rutile Titanium Dioxide for concrete:
We have many different kinds of packing which depend on Rutile Titanium Dioxide quantity.
Rutile Titanium Dioxide packing: In bags or barrels or upon customer's request.
Rutile Titanium Dioxide shipping: could be shipped out by sea, by air, or by express as soon as possible once payment receipt.
Packing & Shipping of Rutile Titanium Dioxide
The addition of rutile titanium dioxide improves the color brightness and whiteness of concrete and enhances its aesthetics. It also provides UV protection and extends the life of concrete products.
How to ensure uniform distribution of rutile titanium dioxide in concrete?
Ensuring that titanium dioxide is uniformly distributed in concrete usually requires the use of dispersants to prevent particle agglomeration and appropriate mixing techniques and equipment to achieve a good mix.
Does rutile titanium dioxide affect the workability of concrete?
If titanium dioxide is not well dispersed, it may lead to a decrease in the workability of the concrete, such as reduced fluidity. However, these negative effects can be minimized by proper formulation design and construction methods.
Does the use of rutile titanium dioxide increase costs?
Yes, since rutile titanium dioxide is a high quality pigment, it is relatively expensive and therefore increases production costs. However, this investment is often worthwhile when considering the improved weathering and aesthetic properties it brings.
Under what circumstances is concrete containing rutile titanium dioxide particularly recommended?
It is particularly recommended for decorative concrete, precast elements and any situation where exposure to the outdoor environment requires good weathering and aesthetics.
Are there environmental considerations?
Rutile titanium dioxide itself is non-toxic and chemically stable, but it should be manufactured and applied in accordance with relevant environmental regulations. When selecting a supplier, attention should be paid to whether the production process meets environmental standards.
