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- TRANSPARENT QUARTZ TUBE
- TRANSLUCENT QUARTZ TUBE
- OPAQUE QUARTZ GLASS
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- QUARTZ OPTICAL MATERIAL 

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Used Electric Furnace drawing,accord with International standard. Full length of transparent Quartz Tube,Quartz rod,The high purity quartz products, used our own mine, high quality nature crystal as the raw material, go thru advanced technic. At UV wave band 185nm, the wavelength through average about 70%, it is the best material for ozone-free sterilize lamp or sleeve quartz glass tubing. At UV wave band 253.7nm, the wavelength through rate average > 85%, be propitious to Ozone sterilize lamp or sleeve quartz glass tubing.Transparent Quartz tubes widely apply to Semiconductor, Lighting, and Electric heating Industrial field.

Transparent Quartz tube physical Properties:

Glass A B C
Density @ 20 (05g/CM2) 2.2 2.21 2.21
Thermal Expansion (cm/cmoC) 5.4 x 10 -7 5.8 x 10 -7 6.6 x 10 -7
Thermal Conductivity (25 oC) 0.00323 Cal / cm - sec -  oC
Young’s Modulus (x 103 kg/ mm2) 7.2 7.5 7.0
Softening Point (oC) 1730 1680 1660
Annealing Point (oC) 1215 1205 1165
Strain Point (oC) 1120 1100 1060
Resistivity (CM) @ 350 o 7 x 109 2.5 x 1010 5 x 1010
Dielectrical Constant (@ 1Mhz) 3.70 5.76 6.02

Typical Trance Element Compositions (PPM by weight):

Type

Al

Fe

Ca

Mg

Ti

Mn

B

K

Na

Li

OH

A

15

0.21

0.5

<0.1

0.8

<0.05

0.08

0.6

0.8

0.7

<120

B

15

0.21

0.5

<0.1

0.8

<0.05

0.08

0.6

0.8

0.7

<10

C

15

0.21

0.5

<0.1

0.8

<0.05

0.08

0.6

0.8

0.7

<5

Standard Size & Tolerance (Tube) :

Size(mm)

OD(mm)

W.t.(mm)

Length(mm)

Siding Max

Bow Max

Oval Max

<15

0.15

0.10

1.0

0.1

0.15

2‰

15-30

0.25

0.15

1.0

0.13

0.25

2‰

30-50

0.50

0.15

1.0

0.15

0.5

2‰

50-70

1.50

0.20

1.0

0.2

0.7

3‰

70-100

2.00

0.25

1.0

0.2

1

4‰

Low Ozone Quartz Tube:

Colorless on surface, cut ends appear as light purple color. This product able to stop the ultraviolet radiation before 220nm, and 253.7 nm ultraviolet radiation wavelength through rate as obove 70%. This wave length ultraviolet radiation has strongest disinfectant, we name as sterilize or ozone free quartz tubing. Widely apply to sterilization, water treatment etc.

OD(mm)

W.t(mm)

Length(mm)

120.2

10.1/0.2

0—1600

150.3

10.1/0.2

0—1600

190.3

1.20.2/0.3

0—1600

250.5

1.30.3

0—1600

Filter UV Quartz Tube:

Apply to prevent human or matter from ultraviolet radiation and high temperature resistant lamp.

Size(mm)

OD(mm)

W.t.(mm)

Length(mm)

Siding Max

Box Max

Oval Max

8-12

0.30

0.10

1.0

0.15

0.2

2‰

12-15

0.40

0.15

1.0

0.2

0.3

2‰

15-20

0.50

0.15

1.0

0.2

0.4

2‰

 
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