
Titanium dioxide (TiO2) is a critical inorganic chemical with widespread applications in coatings, plastics, paper, and more. Among its forms, SR-2377 stands out as a rutile-type titanium dioxide pigment engineered for superior performance. This article delves into its technical specifications, advantages, and real-world applications, while also highlighting the expertise of its manufacturer, Hebei Caiqing New Material Technology Co., LTD.
SR-2377 is a high-purity rutile titanium dioxide pigment treated with inorganic and organic surface coatings of zirconium (Zr) and aluminum (Al). This formulation enhances its performance in terms of gloss, durability, and dispersion, making it ideal for demanding industrial applications. The product’s surface treatment ensures stability and compatibility with various matrices, from coatings to inks.

Key features of SR-2377 include:
The following table summarizes the critical technical parameters of SR-2377:
| Property | SR-2377 |
|---|---|
| CAS No. | 13463-67-7 |
| TiO2 Content | ≥93.0% |
| Rutile Content | ≥97.0% |
| Inorganic Coating | Zr, Al |
| Organic Treatment | YES |
| Loss at 105°C | ≤0.5% |
| Solution in Water | ≤0.5% |
| Residue | ≤0.01% |
| Whiteness | ≥97.0% |
| L Value | ≥98.0 |
| Tint Reducing Power | ≥180% |
| Oil Absorption | 16–20 g/100g |
| pH | 6.5–8.5 |
| Specific Resistance | ≥8000 Ω·cm |
| Grade | Industrial Grade |
SR-2377 offers several advantages that make it a preferred choice for industrial applications:
These properties align with NIST standards for material performance, ensuring reliability and consistency in industrial use.
SR-2377 is versatile, with applications across multiple industries:

Founded in [year], Hebei Caiqing New Material Technology Co., LTD is a leading manufacturer of high-purity titanium dioxide products. The company specializes in producing SR-2377 and other industrial-grade pigments, catering to global markets. With a focus on innovation and quality, Hebei Caiqing adheres to international standards to ensure product reliability and customer satisfaction.
Key strengths of the company include:
Yes, Hebei Caiqing offers tailored packaging and logo options to meet customer requirements. Contact us for details.
The standard MOQ is 1000 kg. For smaller quantities, please consult our team for cost-effective solutions.
After payment confirmation, the lead time is typically 15 days.
We supply commercial invoices, packing lists, bills of lading, COA (Certificate of Analysis), and origin certificates. Additional documents can be arranged upon request.
SR-2377 should be stored in a dry, cool environment away from direct sunlight and moisture. To maintain optimal performance, use the product on a first-in, first-out basis.
SR-2377 exemplifies the advancements in titanium dioxide technology, offering a balance of performance, durability, and cost-effectiveness. Its applications span multiple industries, making it a versatile solution for manufacturers. For more information, visit Hebei Caiqing New Material Technology Co., LTD or contact their team directly.
National Institute of Standards and Technology (NIST) provides authoritative guidelines on material standards and measurements. For details on titanium dioxide specifications, refer to NIST’s Chemistry WebBook.