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Quartz Micro-Combustion Tubes/Test tubes, high temperature resistant glass

Quartz Micro-Combustion Tubes/Test tubes, high temperature resistant glass

Regular price $1.95
Regular price Sale price $1.95
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Dimension
Features:
1. High temperature resistant, 1100 °C.
2. Corrosion-resistant
3. Good thermal stability
4. Good transparency for light
5. Good electrical insulation
 
Impurity content
AL Fe K Na Li Ca Mg Cu Mn Cr B Ti
5-12 0.19-1.5 0.71-1.6 0.12-1.76 0.38-0.76 0.17-1.23 0.05-0.5 0.05 0.05 <0.05 <0.1 <1.0
 
Spectral transmission at 1.0mm thickness
m m <220 255 280 315 350 38 590 780
% 89 91 93 93 93 93 93.2 93.4

Physical Proerties
(g/cc)Density20 °C kg.m-3 2.2
Degree of Hardness Moh's Scale 5.5-7.0
Softening point(degree) 1683°C
Annealing point 1215°C
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