Overview
Rutile white paste is a titanium dioxide (TiO2)-based formulation, prized for its exceptional brightness and opacity. It is derived from the rutile mineral form of TiO2, which offers superior light-scattering properties compared to anatase. The paste form ensures easy dispersion in liquid systems, making it a preferred choice for industrial applications. As a high-purity product, it is commonly used in sectors demanding consistent color performance and durability. Its production involves milling rutile TiO2 into fine particles and blending them with stabilizers to achieve the desired viscosity and shelf stability.
Physical and Chemical Properties
Rutile white paste exhibits a dense, viscous consistency with a bright white hue. Its high refractive index (2.7) contributes to its unmatched opacity, while its inert nature ensures resistance to acids, alkalis, and environmental degradation. The paste’s thermal stability allows it to withstand high-temperature processes, such as ceramic firing or plastic extrusion. Unlike powdered TiO2, the paste minimizes dust hazards and simplifies handling, though its water-insoluble nature requires surfactants for aqueous systems.
Main Applications
In the coatings industry, rutile white paste enhances opacity and UV protection in paints, primers, and automotive finishes. Its weatherability makes it ideal for exterior applications. Plastics manufacturers use it to whiten and brighten PVC, polyolefins, and engineering resins without compromising mechanical properties. Ceramics and inks also benefit from its high-temperature stability and color consistency. Specialty applications include paper coatings and cosmetics, where its non-toxicity and brightness are critical.
Safety and Storage
While rutile TiO2 is generally non-toxic, the paste form may contain additives requiring caution. Avoid prolonged skin contact and inhalation during mixing. Store in sealed containers away from moisture and extreme temperatures to prevent separation or drying. Regulatory compliance varies by region; ensure adherence to REACH, OSHA, or local guidelines. Spills should be contained with inert absorbents, and disposal must follow environmental regulations.
B2B Procurement Guide
When sourcing rutile white paste, prioritize suppliers with ISO certifications and batch consistency guarantees. Key specifications to verify include TiO2 content (typically 70–80%), viscosity, and pH stability. Request samples for dispersion tests in your specific application. Bulk procurement (tonnage quantities) often reduces costs, but validate storage capabilities. Contracts should outline delivery timelines, technical support, and compliance documentation. For reference, prices fluctuate with titanium ore market trends.
Related Manufacturers
- 主营：水性色浆、油性色浆
- 主营：水性通用色浆、油性通用色浆、UV纳米色浆、油性树脂通用色膏、纳米固化地坪漆