Table1 Silicon quartz tube

Density 2.210 3 kg/m 3 Thermal stability: cooling from 1000 to 20 for three times, No crack. Heating to 1100for one hour, no colour changes
Hardness 580KHN 100
Tensile strength 4.910 7 Pa(N/m 2 )
Compression strength 1.110 9 Pa
Coefficient of thermal expansion20棭300棩 5.510 -7 cm/cm
Thermal conductivity 1.4w/m
Specific heat20棩 670J/kg
Softening point 1680
Annealing point 1215

O.D. I.D. LENGTH
8mm 6mm 2500mm~
9mm 7mm 2500mm~
10mm 8mm 2500mm~
11mm 9mm 2500mm~
12mm 10mm 2500mm~
13mm 11mm 2500mm~
14mm 12mm 2500mm~
15mm 13mm 2500mm~
17mm 14mm 2500mm~
18mm 15mm 2500mm~
20mm 16mm 2500mm~
34mm 28mm 750mm(COE)
50mm 44mm 1000mm(COE)

OD range
OD tolerances
Thickness range
Thickness tolerance
3-7
0.4
0.6-1.0
0.3
8-13
0.5
0.8-1.3
0.3
14-16
0.8
1.1-1.6
0.4
17-20
1.0
1.2-1.8
0.4
21-25
1.0
1.3-2.0
0.4
26-30
1.2
1.5-2.5
0.5
31-40
1.4
2.0-3.0
0.5
41-50
1.5
2.0-3.0
0.5

CopyRight:SEANA INTERNATIONAL (CHINA) LTD. Created by ;HZMICO.CN ICP05012625
ADD:Room 424, Bldg., D, Meidu Plaza, No 789, Moganshan Road Hangzhou,Zhejiang,China P.C.310011