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Walter Stern 102D
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Walter Stern Solid Borosilicate Glass Ball, 4 mm dia

Glass Ball, 4 mm dia, Solid Borosilicate, 5200/lb Estimated Pieces, 2.23 g/cm3 Density, 510 to 568°C Cooling Temperature, 815°C Softening Temperature, Rods, Blown and Pressed Manufacturing Process, One Pound Plastic Jar Packaging

  • Manufacturer Part No: 102D
  • SECO Part No: 10-2992-22
  • Sold As:
  • Availability: loading
Diameter : 4 mm
Material (ml/min) : Solid Borosilicate Glass
Class : 1 Hydrolitical Class, 1 Acidity Class, 2 Alkaline Class
Estimated Pieces : 5200/lb
Temperature of Transformation : 530°C
Softening Temperature : 815°C
Packaging Type : One Pound Plastic Jar
Manufacturing Process : Rods, Blown and Pressed
Linear Expansion Coefficient : (10-6 K-1 ) 3.3±0.1
Cooling Temperature : 510 to 568°C
Processing Temperature : 1264°C
Density : 2.23 g/cm3
Temperature-Change-Constant : 250°C
Module of Elasticity : 6.3 E-10-5 kp/cm2
Heat Conduction : 1 kcal/mh grd at 20°C
Dielectric Constant : 4.6 at 1 MHz and 25°C
  • 248°C Temperature for 0 to 108 Ohm-cm
  • Specific electric resistance- constant of equation -1.44 A+ B/T Absolute Temperature 4.91° K-B-103
  • 55 at 1 MHz and 25°C dielectric loss angle
  • 1.473 n d point of refraction
  • Chemical properties- 0.026 resistance to water, 0.008 resistance to water, figured asequivalent
  • Maximum ±10% of glass ball diameter and sphericity variation

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