Index of Olan Glass Beads Dictionary
Soda-Lime Glass
Al2O3(Composition %): (max.3.2%) 0.4
B2O3 0.0
Crush Strength(psi): >30,000
CaO 8.0-10.0% 9.8
CAS # 65997-17-3 (Glass Beads)
CAS # 7631-86-9((SiO2)
CAS # 1313-59-3 (Na2O)
CAS # 1305-78-8 (CaO)
CAS # 1309-48-4 (MgO)
CAS # 1344-28-1 (Al2O3)
Components(Main, weight in %):
SiO2 71.0-73.0%
Na2O 13.0-14.5%
CaO 8.0-10.0%
MgO Max.4.2%
Fe2O3 0.2%
Al2O3 Max.3.2%
Coefficient of Friction: 0.9-1.0
Dielectric Constant, 22ºC,106Hz 6.9
Diameter(Microns) and Mesh(#)
38um=400#
45um=325#
53um=270#
63um=230#
75um=200#
90um=170#
106um=140#
125um=120#
150um=100#
180um=80#
212um=70#
250um=60#
300um=50#
425um=40#
355um=45#
500um=35#
600um=30#
710um=26#
850um=20#
1000um=18#
1180um=16#
1400um=14#
1700um=12#
2000um=10#
2360um=8#
2800um=7#
3350um=6#
4000um=5#
EINECS # 266-046-0
Expansion Coefficient, in/in/ºCX10-7 90
Fe2O3 /FeO 0.2%
Hardness (Moh): 5-6 6.0
(Free) Iron Content: max. 0.1%
K2O 0.1%
Loss Tangent, 22ºC,106Hz 0.0085
Leachate PH 9.4
Leach Conductivity,(mmho/cm) 101.0
Leach Concentrations,(mg/cc)
M
MgO Max.4.2%: 3.3
Na2O(Composition %) : 13-14.5 13.7
Oil Absorption*(g oil/100g. spheres)ASTM D-1483 : 18
PH: 9-10
Refractive Index: 1.51-1.64, 1.51
Rigidity Modulus, 106PSI 4.3
Specific Gravity(g/cm3): 2.4-2.6, 2.5
Softening Point, °C: 700-800 704
SiO2(Composition %) : 71-73 72.5
T
Thermal Conductivity(cal/(sec)(cm2)(ºC/cm)at 500ºC 0.0036
Total Alkali 25.7
Calcium 18.1
Boron Trace
Silica 5.4
V
Vol. Resistivity, 25ºC, ohm-cm 6.5x1012
Y
Young's Modulus, 106PSI 10.0