Traffic Sign Film Grade Microspheres
Description: Ultra-high refractive index grade for traffic sign films. Ensures uniform distribution for long-term retroreflectivity and UV resistance.
Model: GB-RF-5560
Execution Standard: Exceed various international standards, ensuring high quality and performance
Key Parameters:
- Roundness (Sphericity): ≥ 85%
- Hardness (Mohs): 5.5–6.0
- Refractive Index: 1.90–2.40 (Ultra-High Refractive Index)
- Particle Size: 25–63 μm
- Specific Gravity: 2.50–2.60 g/cm³
- Moisture Content: ≤ 0.05%
- Impurities: ≤ 0.08%
- Color: Transparent / White
Package:
- 1000 kg, Super Bag or Sack
- 25 kg (55 lbs), Paper Bag or Woven Polypropylene Bag





