Road glass beads for cold paint marking are spherical glass microspheres mixed into cold solvent road coating to realize retroreflective function, used on municipal roads, park roads, factory internal lanes and temporary warning marking. This guide covers product features and procurement selection, suitable for overseas coating producers, municipal contractors and raw material importers.
The core merits of cold paint grade road glass beads can be divided into three dimensions. Stable optical parameters guarantee retroreflective performance. Optimized melting and screening technology cuts broken bead proportion. Good compatibility with cold paint coating prevents falling off from marking. Remember that product parameters need match your coating system and pavement environment.
Common procurement mistakes. Evaluate bead quality only by transparency, transparent beads may have low sphericity, require lab test data. Do not distinguish premix beads and drop-on beads, wrong selection causes marking peeling, confirm construction process first. Ignore ocean transport packing, beads may be damaged during long shipment, adopt reinforced sealed packing. Accept bulk cargo without batch sampling, unstable batch quality may cause project rejection, arrange pre-shipment inspection. Select suppliers unable to make custom particle grading, cannot meet special formula demand, confirm custom service scope.
Four application scenarios for bead selection. City cold paint road marking: premix standard road glass beads. Factory internal heavy-duty road: high strength reflective beads. Park pedestrian lane marking: economical grade beads. Short-term temporary warning marking: low-cost general beads. Langfang Aolan Glass Bead Co., Ltd owns multiple automatic production lines, supports particle size classification and silane coating customization with complete quality inspection.
Our glass beads are exported to Southeast Asia, Europe and America. Factory based in Langfang with convenient logistics for global delivery. We provide technical proposal, raw material supply, shipment arrangement and construction aftersales support. A full range glass bead series available for one-stop purchase. Relevant qualification documents and test reports can be provided.
Specifications:
Size range: 75μm ~ 600μm
Refractive index: 1.50~1.70
Roundness ≥80%
Bulk density: 1.2~1.6g/cm³
All data subject to inspection report and physical samples.
Post time: Oct-16-2026