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Location: Main > Quartz Glasswares Alumina Tubes > Quartz Tubes Sleeves > QUZT-O-0680-0620-0350
Name: OD68/ID62/L350mm Quartz Test Tube(Round Bottom)
P/N: QUZT-O-0680-0620-0350
Keywords:OD:68mm,ID:62mm,L:350mm,Round Bottom
Unit Price: S$500.00/pc
Available: In stock
Request: Add to Request List
Introduction:
Naturally occurring crystalline (sand) is crushed into powder and passes through numerous purifying processes. The resulting pure powder is fused by either of two different processes to manufacture clear fused quartz ingots.
The fused quartz test tubes are mainly used for heating purpose in chemicals, semi-conductor industry etc. The fused quartz test tubes look transparent after anneal and the working temperature can reach 1200 Deg-C. They can even quench in water when heating to 1200 Deg-C.

Material: Fused Quartz Material
Configuration: One end open and the other end close with round bottom
Outer Diameter(OD): 68.0,+/-0.5mm
Inner Diameter(ID): 62.0,+/-0.5mm
Length: 350,+/-0.5mm (total)
Operation Temperature: 1200 deg-C

Physical Properties of Fused Quartz Material

Density: 2.2 g/cm2

Thermal Expansion
Coefficient:

5.5x10-7cm/cm deg-C
Softening Point: 1690 deg-C
Annealing Point: 1215 deg-C
Strain Point: 1120 deg-C
Index of refraction: 1.4585
Specific Heat: 670 J/kg
Young*s Modulus: < 10.5x106 psi
Electrical Resistively: 7x109 ohm cm @ 350 deg-C
Dielectric Constant: 3.75 @1MHz