Mo-Sci Corporation Borosilicate Glass Beads 硼硅酸盐玻璃珠 GL0179B/20-27
Specification： 90% in range 90% spherical
Borosilicate Glass Beads 20-27 μm
Specific Gravity ............................. 2.2 g/ cm³
Bulk Density of Dry Beads9.......... 1.2 g / cm³ (71 lbs/ ft³)
pH in water @ 25 oC ...................... 7.0
Softening Temperature ................... 830 °C
Index of Refraction ........................ 1.47 - 1.48nD
Coefficient of Thermal Expansion... 32 x 10-7/ °C at 30 to 300 º C
Crush Strength (90% Survival)99. 27,210 psi using Carver Hydraulic Press
Mo-Sci Corporation Borosilicate Glass Beads 硼硅酸盐玻璃珠 GL0179B/20-27
询价采购Mo-Sci Corporation Borosilicate Glass Beads 硼硅酸盐玻璃
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