- Compnay Name:Jinan Great Material Co.,Ltd
- Membership: Free Member
- Registration Date:2017.08.14
- Country/Region :China
- Address :44,wenhuaxi road Jinan, Shandong
- Phone / Fax :86-531-88580380 / 86-531-88580380
- Contact:Li Gang
Jinan Great Material Co.,Ltd
The airport glass bead used for airport runway efficiency provides the brightest and safest airfield marking available.
These beads are coated with a layer of aluminum on half sphere, provide five to seven times the retro-reflectivity of ordinary glass bead.
The larger gradation size,higher percentage roundness, smooth surface and hardness qualities enhance the long-term reflective performance of airport markings even under wet or night conditions.
Refractive index: 1.93
Appearance: sliver grey
Size Range: 600-1200um
Density: 4.2 g/cm3
Hardness(Mohs) : 6.5
Softening point: > 500
Business Registry Number: 120-86-03931