Drop-on / Surface Glass Microspheres
Description: Premium grade with enhanced retroreflective performance, especially effective in wet and rainy conditions. Suitable for highways, tunnels, bridges and heavy-traffic zones where high visibility is required in road marking.
Model: GB-HI-165 / AASHTO Type 2
Execution Standard: BS 6088B, EN 1423, AASHTO M247, KS L 2521, JIS R 3301, AS/NZS 2009:2006 etc
Key Parameters:
- Roundness (Sphericity): ≥ 80%
- Refractive Index: ≥ 1.5
- Hardness (Mohs): 6–7
- Particle Size: 150–850 μm (customizable)
- Specific Gravity: 2.45–2.55 g/cm³
- Moisture Content: ≤ 0.08%
- Impurities: ≤ 0.1%
Package:
- 1000 kg, Super Bag or Sack
- 25 kg (55 lbs), Paper Bag or Woven Polypropylene Bag





