Detailed Product Description

Aluminum Coated Glass Bead with Refractive Index 1.93ND
Aluminum coated glass bead is used for road signs , traffic safety goods and reflective
printing ink.,screen printing etc.
I. Technical Data
Composition TiO2-BaO-ZnO GLASS
Refractive Index 2.2±0.1Nd
Specific Gravity 4.5±0.2 g/cm3
Color White
Form Fine spheres powder
Size 20-100um(can be provided by specific request)
Roundness ≥95%
Opacity ≤5%
Composition TiO2-BaO-SiO2 GLASS
Refractive Index 1.93±0.01Nd
Specific Gravity 4.1±0.2 g/cm3
Color Silver grey
Form Fine spheres Semi-coated with aluminum
Size 25-38um;30-45um; 40-55um; 50-75um

II. Package: 25kg / iron barrel (Volume: 28cm x 23cm), lined with two plastic bags,
and one dryer placed in. Net Weight: 25kg/barrel Gross Weight: 26.7kg/barrel
III.Storage: Dry and sheltered

Technical parameters
Specification of Glass Beads
QM-L1 QM-L2
Color White Color
White or
light-yellow
Refractive index 1.90±0.01 Refractive index 1.93±0.01
Density 4.2±0.1 Density 4.2±0.1
Roundness ≥97% Roundness ≥97%
Devitrification ≤1% Devitrification ≤1%
Lead content 0 Lead content 0
Particle-size range
Specification of Glass Beads
QM-L1 QM-L2
Model Number Particle-size range Model Number Particle-size range
QM-L1-1 75~90μm QM-L2-1 75~90μm
QM-L1-2 75~63μm QM-L2-2 75~63μm
QM-L1-3 63~53μm QM-L2-3 63~53μm
QM-L1-4 53~45μm QM-L2-4 53~45μm
QM-L1-5 45~38μm QM-L2-5 45~38μm
QM-L1-6 38~32μm QM-L2-6 38~32μm
Glass beads of different size may be supplied as per varying needs of the clients
Optical Indexes
Refractive
index
Particle size(μm)
Observation angle
=12"
(cd/lx·m2)
Observation
angle
=1°
(cd/lx·m2)
1.90 90-75 >280 >30
(QM-L1) 75-63 >250 >30