Ozone Free Quartz Tube

Ozone Free Quartz Tube
The product blocks wavelength lessthan220nm,while transmit over 70% in 253.7nm.
Ozone Free Quartz Tube
This tubing is clear,cut surface slig-htpurple.The product blocks wavelength lessthan220nm,while transmit over 70% in 253.7nm.Good for all kinds of germcidal lamps.
Properties:Clear quartz tube dioped with Ti.Has astrong ability to prevent dense UV radiation but release no ozone
Appication:It is used for germicidal lamps and has a strong function of decoration.
Dimensional Tolerance
Specifications
Diameter
Thickness
Length
Most partial thickness
Maximum ellipticity
Maximum curvature
<10
±0.15
±0.10
±0.5
0.10
0.15
2
10-15
±0.20
±0.10
±0.5
0.12
0.20
2
15-20
±0.25
±0.15
±0.5
0.13
0.25
2
20-30
±0.30
±0.15
±0.5
0.15
0.30
2
30-40
±0.40
±0.15
±0.5
0.15
0.40
2
>40
±0.50
±0.15
±0.5
0.15
0.50
2
10-15
±0.20
±0.10
±0.5
0.12
0.20
2
Chemical composition&OH
Al
Fe
K
Na
Li
Ca
Mg
Cu
Mn
Pb
B
Cr
OH
25
1.5
2.5
2.5
0.6
2.3
0.5
0.1
0.5
0.01
0.1
0.1
<10
Physical Properties
Density 20kg.m
-3
(×10
3
)
2.2
Coefficient of expansion 25-300 c
-1
(×10
-6
)
0.56
Softening point()
1630
Annealning point()
1180
Strain point()
1100
Youngs modulus(pa)
7.3×10
5
Spectral Transmission at 1.0mm Thickness
nm
185
<220
230-280
550
590
780

0
0
.≥85
≥90
≥92
≥92