
Titanium dioxide (TiO₂) is a critical inorganic chemical with widespread applications in industries such as coatings, plastics, paper, and ink production. Among its many forms, rutile titanium dioxide stands out for its exceptional optical and chemical properties. The SR-2377 variant, produced by Hebei Caiqing New Material Technology Co., Ltd., is a surface-treated rutile pigment designed to deliver superior performance in demanding environments. This article explores the features, technical specifications, applications, and company background of SR-2377, supported by authoritative references and industry insights.

The SR-2377 is a high-purity rutile titanium dioxide pigment coated with zirconium (Zr) and aluminum (Al) through inorganic and organic surface treatments. This advanced formulation enhances its gloss, durability, and dispersion properties, making it ideal for applications requiring long-term stability and vibrant color performance. The product is marketed as an industrial-grade pigment suitable for interior and exterior coatings, emulsion paints, ink, and plastics.
For more details, visit the official product page.
| 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% |
| Water Solubility | ≤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 |

The SR-2377 is engineered for high-performance applications where durability, color stability, and optical properties are critical. Key applications include:
According to the National Institute of Standards and Technology (NIST), advanced materials like TiO₂ play a pivotal role in industrial innovation, emphasizing the importance of precise measurement and quality control in chemical production.

Hebei Caiqing New Material Technology Co., Ltd. is a leading manufacturer of high-purity titanium dioxide and related chemical products. The company specializes in producing industrial-grade pigments tailored to meet the demands of global markets. With a focus on sustainable practices and quality assurance, Caiqing Chemical ensures its products comply with international standards for performance and safety.
For more information about the company, visit Caiqing Chemical's official website.
Proper storage is essential to maintain the integrity of SR-2377. The product should be stored in a dry, cool environment away from direct sunlight and moisture. As noted in the product documentation:
"This product should not be stored outside or exposed to weather. All direct contact with moisture should be avoided. To ensure optimum performance, it is recommended that the product is used on a first in, first out basis from receipt of shipment."
Yes, Caiqing Chemical offers customized packaging and branding options. For specific requirements, contact their sales team at WhatsApp +86 15954379990.
The standard MOQ is 1000kg. For smaller quantities, additional shipping costs may apply. Contact the company for tailored solutions.
Caiqing Chemical supplies standard documentation including commercial invoices, packing lists, bills of lading (BL), certificates of analysis (COA), and origin certificates. Special documents can be arranged upon request.
The SR-2377 combines technical excellence with cost-effectiveness, making it a preferred choice for industries requiring high-quality pigments. Its surface treatment technology ensures compatibility with diverse formulations, while its high purity and durability reduce the need for frequent replacements. For manufacturers seeking to enhance product performance and sustainability, SR-2377 is a reliable solution.
The SR-2377 rutile titanium dioxide from Hebei Caiqing New Material Technology Co., Ltd. exemplifies the synergy between advanced material science and industrial application. With its superior technical specifications, versatile applications, and commitment to quality, this product addresses the evolving needs of the global chemical and manufacturing sectors. As highlighted by the National Institute of Standards and Technology (NIST), the development of such materials underscores the importance of precision and innovation in modern industry.
National Institute of Standards and Technology (NIST). (n.d.). Chemistry. Retrieved from https://www.nist.gov/chemistry