Overview
Reflective nano titanium dioxide (TiO2) is a specialized form of titanium dioxide engineered at the nanoscale to enhance its light-reflective and photocatalytic properties. It is widely used in industries requiring UV protection, such as coatings, plastics, and cosmetics. The material's high refractive index and stability make it ideal for applications demanding durability and performance. Nano TiO2 is produced through advanced processes like vapor-phase hydrolysis or sol-gel methods, ensuring precise control over particle size and surface characteristics. Its unique properties have led to innovations in self-cleaning surfaces, solar panels, and environmental purification technologies.
Physical and Chemical Properties
Reflective nano titanium dioxide exhibits exceptional physical and chemical stability, with a high melting point and insolubility in water. Its photocatalytic activity under UV light enables it to break down organic pollutants, making it valuable for environmental applications. The material's UV reflection properties are leveraged in sunscreens and coatings to protect against harmful radiation. The nanoparticle size (typically 10-100 nm) significantly enhances surface area, improving its reactivity and dispersion in matrices like polymers or liquids. Surface modifications, such as silica or alumina coatings, are often applied to tailor its performance for specific uses, such as reducing photocatalytic activity in cosmetics.
Main Applications
In the coatings industry, reflective nano TiO2 is used to create UV-resistant paints for buildings and automotive finishes, extending product lifespans. Plastics incorporating this material benefit from reduced UV degradation, making them suitable for outdoor furniture and packaging. Cosmetic formulations, especially sunscreens, rely on its ability to scatter and reflect UV rays without leaving a white cast. Emerging applications include self-cleaning glass and textiles, where its photocatalytic properties decompose dirt and bacteria under sunlight. Solar panels coated with nano TiO2 exhibit improved efficiency due to reduced light reflection and enhanced light trapping.
Safety and Storage
While nano titanium dioxide is generally considered safe, precautions are necessary to minimize inhalation or skin contact during handling. Workers should use protective equipment, including masks and gloves, to avoid respiratory or dermal irritation. The material is non-flammable but should be stored in sealed containers to prevent moisture absorption. Long-term storage requires a dry, cool environment to maintain its properties. Bulk procurement should include certificates of analysis to verify purity and particle size distribution, ensuring consistency in industrial applications.
B2B Procurement Guide
B2B buyers should prioritize suppliers with certifications like ISO 9001 and detailed technical data sheets. Key specifications to evaluate include particle size distribution, surface area, and surface treatment (e.g., hydrophilic or hydrophobic). Pricing varies based on purity, with food-grade or cosmetic-grade variants commanding higher prices. For large-scale procurement, request samples to test compatibility with your application. Consider suppliers offering customized solutions, such as pre-dispersed formulations or tailored particle sizes, to streamline production processes. Lead times and minimum order quantities (MOQs) should also be clarified upfront.
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