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Road glass beads are spherical glass micro-particles widely applied in traffic marking to reflect vehicle lights and improve road safety at night. Application scenarios contain highway, residential road, cycle lane and parking marking. This article introduces bead functions and procurement pitfalls, targeting overseas engineering buyers, coating manufacturers and design consultants.

High-quality road glass beads differ from ordinary microspheres in three parts. Stable optical parameters keep retroreflective brightness for long time. Mature melting and screening process lower impurity content. Good weather resistance helps beads withstand long-time outdoor exposure. The key principle: select beads matching your local climate and marking coating system.

Common procurement mistakes. Judge quality just by low price. Cheap beads usually have low roundness, causing poor night visibility. Ask for sample test before bulk purchase. Ignore regional industry standards, products may fail site acceptance, confirm standard like EN1423 in advance. Random blending premix and drop-on beads, resulting uneven marking reflection. Clarify bead type before ordering. Neglect sea freight storage risk, beads may absorb moisture and agglomerate, adopt sealed waterproof packing. Select manufacturers without independent lab, batch quality fluctuation may occur, confirm lab and inspection procedure.

Four typical application choices. Highway hot melt marking: drop-on road glass beads. Municipal cold paint marking: premix grade beads. Mountain road with poor light: high refractive glass beads. Temporary construction warning line: economical standard beads. Langfang Aolan Glass Bead Co., Ltd operates 5 production lines, supports custom surface modification, online inspection and finished sampling.

We supply products for traffic, coating and composite sectors, export goods to more than 40 countries. Langfang location enables convenient transport for container shipment. We provide technical consultation, product sales, logistics and after-sales guidance. Full series glass beads can be purchased together. ISO, CE and third-party test documents can be offered.

Specifications:

Particle size: 75μm ~ 850μm

Refractive index:1.50-1.93

Roundness ≥80%

Crushing strength: meet EN1423 requirement

All data subject to inspection report and physical samples.