Reflective glass beads for highway marking are spherical micro glass particles, added into road paint or scattered on marking surface to reflect vehicle lamp light. Main application scenarios include expressway, national road, tunnel marking and toll station safety lines. This material selection guide is prepared for overseas road contractors, coating factories and international trade importers.
Three dimensions show the core strengths of highway reflective glass beads. Optical parameters control refractive index and sphericity for stable retroreflection. The melting and precision screening process reduces broken fragments. Weather resistant performance maintains function under UV, rain and temperature variation. Buyers should avoid blindly pursuing over-high parameters; suitability for actual pavement matters more.
Common procurement misunderstandings. Select beads only by visual inspection, invisible internal defects reduce reflection lifetime, require lab test report. Ignore difference between premix beads and drop-on beads, wrong type leads poor construction effect, clarify construction method before order. Overlook packing quality for long ocean shipment, bead breakage may happen during transit, use strong sealed package. Accept batch goods without sampling inspection, unstable batch quality risks project acceptance, arrange pre-shipment sampling. Choose suppliers without custom capability when special coating needed, surface treatment cannot be done, confirm custom service range in early stage.
Different marking projects have different bead options. Expressway hot melt marking: drop-on reflective glass beads. Tunnel safety marking: high refractive beads. Ordinary national road cold paint marking: standard premix beads. Temporary road warning marking: economical general beads. Langfang Aolan Glass Bead Co., Ltd owns self-built testing lab, supports silane coating, particle grading customization and whole-process quality control.
Our products cover traffic engineering, blasting and composite filler field, exported across Asia, Europe and America. Located in Langfang, convenient for container loading and global delivery. Integrated service includes scheme design, supply, logistics, construction guidance and aftersales. Full range glass beads for one-stop procurement. Certificates and third-party inspection reports available.
Specifications:
Size: 80~800μm
Refractive index: 1.5~1.93
Roundness ≥80%
Bulk density:1.2~1.6g/cm³
All data subject to inspection report and physical samples.
Post time: Oct-16-2026