High refractive road reflective glass beads are special spherical micro glass particles for low-light road marking, applied in tunnel, mountain road, underground parking and night heavy traffic pavement marking. This article introduces performance features and procurement selection advice, for overseas traffic designers and road construction project buyers.
High refractive road reflective glass beads have three core strengths. Higher refractive index brings better retroreflective effect in low light. Precise melting and forming technology controls bead roundness. Good weather resistance maintains performance under long outdoor exposure. Buyers should select high refractive beads only for low-light scenarios instead of using them everywhere.
Common procurement traps. Purchase high refractive beads only for all projects, increasing unnecessary cost, evaluate light condition before selection. Judge bead quality by surface gloss, gloss cannot represent real refractive index, require optical test report. Ignore packing requirement for sea shipment, beads absorb moisture and agglomerate, adopt waterproof sealed package. Accept bulk cargo without batch inspection, refractive index may fluctuate, arrange pre-shipment lab test. Choose suppliers without custom capability, cannot adjust refractive index as demand, confirm custom service range.
Four typical application scenarios. Tunnel marking: high refractive road reflective glass beads. Mountain curve road marking: high refractive beads. Underground parking marking: medium-high refractive beads. Ordinary urban road: standard grade beads. Langfang Aolan Glass Bead Co., Ltd can produce customized high refractive microspheres, with self-built testing lab and strict batch inspection.
Our products are exported to over 40 countries and regions. Langfang factory supports convenient container logistics. Integrated service includes technical consultation, product supply, shipment and construction guidance. Multiple glass bead types can be purchased together. ISO, CE and third-party inspection documents available.
Specifications:
Particle size: 80μm ~ 800μm
Refractive index:1.70~1.93
Roundness ≥80%
Moisture ≤0.2%
All data subject to inspection report and physical samples.
Post time: Oct-16-2026