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Drop-on / Premix Reflective Grade
7018200090
Glass Beads for High-Visibility Road Markings
SEPPE Glass Beads for High-Visibility Road Markings are spherical glass beads used to improve the retroreflective performance of road marking paints and thermoplastic marking systems. Suitable reflective grades can be selected according to paint film thickness, bead embedment and road marking system design for night visibility support and durable reflective performance on traffic safety surfaces.
Product: Glass beads for high-visibility road markings and reflective traffic safety surfaces
Model: Road marking reflective grades
Other Names: Road Marking Glass Beads, Reflective Glass Beads, Traffic Paint Glass Beads
Material Type: Soda-lime glass spherical media
Manufacturer of Material: SEPPE TECHNOLOGIES
• Road marking glass beads are transparent spherical particles applied to road marking paint or thermoplastic markings to reflect vehicle headlight beams back toward drivers.
• Different reflective bead grades can be selected for road marking systems where bead embedment, surface exposure and night visibility are important.
• Proper bead size, roundness, clarity and cleanliness help improve the appearance and reflective function of traffic markings.
• High Visibility Support: Spherical glass beads help return light from vehicle headlights and improve night-time marking visibility.
• Road Marking Grade Selection: Bead size can be selected according to paint thickness, thermoplastic marking design and required visibility.
• Good Roundness: Controlled roundness supports consistent optical behavior and stable marking appearance.
• Clean Glass Surface: Low impurity level helps support clarity, reflectivity and marking system performance.
• Weather-resistant Glass Material: Stable soda-lime glass composition supports outdoor road marking service conditions.
| Application Need | Recommended Grade | Typical Result |
|---|---|---|
| High-visibility road lines | Reflective road marking grade | Suitable bead exposure for visible reflective effect |
| Thermoplastic marking | Drop-on or premix grade | Particle size selected by marking thickness and embedment design |
| Traffic paint marking | Paint-system matched grade | Reflective support according to paint film thickness and bead embedment |
| Road maintenance projects | Project-matched grade | Practical grade for re-marking and visibility improvement |
| Item | Typical Value | Notes |
|---|---|---|
| Specific Gravity | 2.4-2.6 g/cm3 | Soda-lime glass bead media |
| Bulk Density | Approx. 1.5 g/cm3 | May vary by particle size |
| Mohs Hardness | Application-based grade | Blasting grade is commonly around 6-7; filter media grade can be higher by specification |
| Particle Shape | Spherical / granular glass media | Controlled according to final application |
| Roundness | 80% Min | Supports uniform finishing effect |
| Crush Rate | 2.5% Max | Under agreed test condition |
| Bubble Content | 10% Max | Visual and batch control item |
| Available Particle Size | Customized by application | Filter media, blasting media and road marking grades can be discussed |
| SiO2 | > 67% |
| CaO | > 8.0% |
| MgO | > 2.5% |
| Na2O | < 14% |
| Al2O3 | 0.5-2.0% |
| Fe2O3 | Approx. 0.15% |
| Others | Approx. 2.0% |
• Selected glass raw material - melting - bead forming - cooling - cleaning - screening and classification - roundness and appearance review - packaging.
• The process is designed to control particle size distribution, roundness, bubble content, impurities and surface smoothness for stable product performance.
• Particle size distribution is checked by sieve analysis according to ordered mesh grade.
• Roundness, broken particles, bubbles, visual cleanliness and surface smoothness are reviewed by batch.
• Physical properties such as bulk density, hardness reference and crush rate can be checked according to purchase specification.
• Batch COA, particle size report, retained sample support and third-party inspection can be arranged according to order requirements.
• Common packaging includes 25 kg bags, 1000 kg jumbo bags, palletized bags and customized export packaging. Bag marks and pallet protection can be arranged according to purchase requirements.
• Store glass beads in dry conditions and protect bags from moisture, contamination and package damage before use.
• Loading photos, batch labels and inspection records are available to support shipment traceability.
• They reflect vehicle headlights back toward drivers, helping improve road marking visibility at night and in low-light conditions.
• No. The suitable grade should be selected according to road marking material, coating thickness, application method and required reflective performance.
• Yes. They can be used for suitable thermoplastic road marking systems according to formulation and application method.
• Important points include particle size, roundness, clarity, cleanliness, moisture control and compatibility with the road marking system.
Contact SEPPE for mesh size selection, technical data, COA, samples, packaging and bulk order support.
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