SCHOTT Duran® Lab Glass (Tubed)
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.
Features
- Excellent thermal properties
- Highly resistant to chemicals
- Very good transmission properties
Applications
- Lab glassware
- Pipelines
- Chemical industry
- Flameproof tubes
- Flowmeters
Dimensions
Outer Diameter
Wall Thickness
Length
Smallest Size
3mm (0.118")
0.7mm (0.028")
17mm (0.669")
Largest Size
325mm (12.795")
10mm (0.394")
150mm (5.91")
Mechanical Properties
Density (25°C) Ρ
2.2 g/cm3
137.3 lb/ft3
Young’s Modulus Ε
64 kN/mm2
9.28 Mpsi
Poisson’s Ratio μ
0.2
0.2
Knoop Hardness HK0.1/20
480
480
Bending strength σ
25 MPa
3.63 x 103 psi
Viscosity
Working Point (104 poises)
1260 °C
2300 °F
Softening Point (107.6 poises)
825 °C
1517 °F
Annealing Point (1013 poises)
560 °C
1040 °F
Strain Point (1014.5 poises)
518 °C
964 °F
Thermal Expansion
0 – 300°C (32 – 572°F)
3.25 x 10-6/K
Electrical Properties
Log10 Volume Resistivity
(250°C, 482°F)
8.0
Log10 Volume Resistivity
(350°C, 932°F)
6.5
Optical Properties
Index of Refraction @
435.8nm
1.4802
Index of Refraction @
479.9nm
1.4768
Index of Refraction @
546.1nm
1.4731
Index of Refraction @
589.3nm
1.4713
Index of Refraction @
643.8nm
1.4695
Index of Refraction @
656.3nm
1.4692
SCHOTT Duran® Transmission
