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SCHOTT Duran® Lab Glass (Tubed)

 

Description:
SCHOTT Duran® is general-purpose borosilicate glass tubing. Duran® has identical chemical and thermal properties as Schott’s Borofloat® 33, as it is made from the same material. Duran’s high resistance to chemicals and heat makes it ideal for laboratory glassware.

 

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Features: Applications:
  • Excellent thermal properties
  • Highly resistant to chemicals
  • Very good transmission properties
  • Lab glassware
  • Pipelines
  • Chemical industry
  • Flameproof tubes
  • Flowmeters

Physical Properties:

Mechanical:
  • Density (25°C) Ρ
  • Young’s Modulus Ε
  • Poisson’s Ratio μ
  • Knoop Hardness HK0.1/20
  • Bending strength σ
2.2 g/cm3
64 kN/mm2
0.2
480
25 MPa
137.3 lb/ft3
9.28 Mpsi
0.2
480
3.63 x 103 psi

Viscosity:

  • Working Point (104 poises)
  • Softening Point (107.6 poises)
  • Annealing Point (1013 poises)
  • Strain Point (1014.5 poises)
1260 °C
825 °C
560 °C
518 °C
2300 °F
1517 °F
1040 °F
964 °F

Thermal Expansion:

  • 0 – 300 °C (32 – 572 °F)
3.25 x 10-6/K

Optical:

  • Index of Refraction @
435.8nm
479.9nm
546.1nm
589.3nm
643.8nm
656.3nm
1.4802
1.4768
1.4731
1.4713
1.4695
1.4692

Electrical:

  • Log10 Volume Resistivity:
(250°C, 482°F)
(350°C, 932°F)
8.0
6.5

Dimensions:

Outer Diameter: Wall Thickness: Length:
  • Smallest size:
  • Largest size:
3mm (0.118″)
325mm (12.795″)
0.7mm (0.028″)
10mm (0.394″)
17mm 0.669″)
150mm (1300″)
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