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Home > Products > KGB-Borosilicate glass > KGB101-Clear Borosilicate Glass Tube
KGB101-clear borosilicate glass tube

Item: KGB101
Name: clear borosilicate glass tube
Diameter: 3mm-450mm
Thickness: 0.5mm-15mm
Length: 5mm-3000mm
Max heat-resistant temperature:     500 degree C

Product Description


Chemical composition:
Composition SiO2 B2O3 R2O Al2O3 Fe2O3
Weight % 80.3 13.0 4.1 3.4 0.035
Characteristics:
Mechanical Property Reference Value
Density 2.23g/cm3
Softening Point 820℃
Annealing Point 560℃
Thermal Conductivity(20℃) 1.2W/m.℃
Coefficient of thermal expansion 3.3×10-6cm/cm.℃
The temperature for a short time 500℃
The temperature for a long time 450℃
Endure water at98℃ ISO719-HGB1
Endure water at 121℃ ISO720-HGA1
Acid resistance ISO1776-1
Alkali resistance ISO695-A2