Spherical
Media Glass and Ceramic Beads
Glass Milling Beads
Panadyne glass milling
beads are made from high quality soda lime glass
(lead free) and screened to precision tolerances
for milling of paint, ink pigments and other similar
materials. They are also used in display work
and as filter media.
Sizes
Range from
0.8mm to 26mm
Typical
Properties
Shape
Spherical
Color
Clear
Specific
Gravity
2.52
Free
Silica
None
Lead
Content
None
Dry
Bulk Density
12.8
lbs/gal
Hardness
(Mohs)
5
Sphere
Count
90%
Air
Inclusion
1.0%
Ave.
Crushing Strength
80,000 psi
Refractive
Index
1.51 - 1.52
Softening
Point
589°C
Strain
Point
505°C
Annealing
Point
548°C
Typical Analysis
SiO2
72.5%
CaO
9.8%
Fe2O3 & FeO
0.2%
Na2O
13.7%
Al2O3
0.4%
MgO
3.3%
K2O
0.1%
Typical Ranges
5mm 3x4
Mesh
4mm 4x6
Mesh
3mm 6x8
Mesh
2mm 8x12
Mesh
1.5mm 12x14
Mesh
1.2mm 14x18
Mesh
0.8mm 18x25
Mesh
320 Constance Drive | Warminster | Pennsylvania | 18974 | P (215) 444-9315 | F (215) 444-9317
