Glass microspheres for high-refractive-index RI 1.93 reflective yarn

Reflective materials, with their bright colors during the day, provide conspicuous visual warnings. At night or in low‑light conditions, their luminous reflective properties effectively enhance visibility, enabling drivers and pedestrians to clearly identify objects and remain alert, thereby helping to prevent accidents, reduce casualties, and minimize economic losses. As an indispensable safety safeguard on roadways, they deliver significant social benefits.

Reflective yarns use glass microspheres made from high-refractive-index glass, offering excellent retroreflective performance. The products meet the optical performance requirements of EN 20471 and comply with material safety standards such as REACH, OEKO‑TEX, and EN 71 for toys. Reflective fabrics—such as reflective cloth, reflective thread, and reflective tape—are widely used in personal safety and civilian protective applications. These microspheres feature spherical shapes with smooth surfaces, a stable refractive index that facilitates precise focus control, and a uniform particle-size distribution. Made from titanium‑barium glass, they are lead‑free and harmless to humans.

 

Application areas

　　Reflective fabrics, reflective leather, reflective logos, heat-transfer films, and more.

 

Product Features

• The material is safe and complies with REACH, EN71 for toys, and OEKO-TEX standards for infant products.
• Spherical particles with ultra-clean surfaces exhibit excellent optical properties.
• Excellent engineering adaptability, meeting customer requirements.

 

Technical Specifications

Product Name	RI 1.93 glass beads
Brand	Bolili
Refractive index	1.90~1.93
Specific gravity	4.2±0.1 g/cm³
Roundness ratio	≥95%
Defect rate	≤3%
Packaging method	25 kg/paper drum 250 kg/steel drum

 

Application scenarios

 

 

 

 

 

 

 

 

 

Reflective glass microspheres are advanced functional materials designed to improve visibility, safety, and product performance across multiple industries. With excellent optical properties and high reflection efficiency, reflective glass microspheres provide outstanding solutions for road markings, coatings, textiles, and industrial applications. These tiny spheres create powerful reflective effects, helping products perform better in challenging environments.

High-quality reflective glass microspheres feature uniform size, smooth surfaces, and stable durability. They enhance light reflection, improve nighttime visibility, and increase the service life of finished products. For manufacturers, reflective glass microspheres solve common challenges such as weak reflective performance, low product recognition, and frequent replacement costs. Their excellent transparency and consistency make them a preferred choice for innovative applications.

In real projects, reflective glass microspheres are widely used in traffic safety markings, reflective paints, safety clothing, and decorative materials. For example, road marking companies use reflective glass microspheres to create brighter and safer highways, allowing drivers to identify road lines more clearly at night or during bad weather. This technology helps reduce risks while improving overall user experience.

Choosing premium reflective glass microspheres means choosing efficiency, reliability, and long-term value. Our reflective glass microspheres are manufactured with strict quality control to deliver stable performance and excellent reflection. Whether for safety solutions or industrial upgrades, reflective glass microspheres help customers achieve better results and build smarter products for the future.