Road glass beads for hot melt marking are micro spherical particles used with hot melt road marking paint, scattered or premixed in marking lines for highway, national road and ramp safety marking. This selection guide is for overseas hot melt coating factories and road marking contractors.
Hot melt grade road glass beads have three core advantages. Optical parameters maintain retroreflective effect under high-temperature construction. Melting and screening technology reduces broken fragments. High temperature resistance adapts hot melt paint construction process. Buyers should select beads matching hot melt paint construction temperature.
Common procurement misunderstandings. Use cold paint beads in hot melt marking, beads deform under high temperature, select dedicated hot melt grade. Judge bead quality by surface gloss, gloss cannot stand for high temperature stability, request high-temperature test report. Neglect sea freight packing, beads break and agglomerate during transit, use sealed waterproof package. Accept bulk goods without pre-shipment sampling, batch quality may be unstable, arrange sampling inspection. Choose suppliers without custom service, cannot adjust bead formula for special hot melt paint, confirm custom processing capability.
Four application scenarios. Highway hot melt marking: drop-on hot melt road glass beads. National road hot melt marking: standard premix hot melt beads. Mountain ramp marking: high refractive hot melt beads. Temporary hot melt warning marking: economical grade beads. Langfang Aolan Glass Bead Co., Ltd owns multiple automatic production lines, supports custom surface coating and complete quality control.
Our glass beads are exported to Europe, Southeast Asia, Korea and Japan. Langfang factory enjoys convenient logistics for global shipment. Services include technical consultation, product sales, logistics and construction guidance. Full range glass beads available for one-stop procurement. Relevant certificates and third-party test reports available.
Specifications:
Particle size: 80μm ~800μm
Refractive index:1.50~1.93
Roundness ≥80%
Moisture ≤0.2%
All data subject to inspection report and physical samples.
Post time: Oct-16-2026





