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ozone free glass pipes
ozone free glass pipes

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glass pipes
1.specification is OD14mm*WT1.1mm*L1240mm
2.hydroxy content is less than 25
3.efficient,healthy,no harm to health

glass pipes

1.widely used in quartz halogen lamps,high density discgarge lamps and other UV light

2.efficient,healthy,no harm to health,no pollution,economic,long life

3.it can adjust to temperature of space automatically

6. UV stop glass tube is doped Ce,can stop nearly all the radiation of ultraviolet ray of UVB,UVC and all of ultraviolet ray of UVA,it is the ideal material of the most spectral transmission

 

4.dinmension tolerance

Range of OD

OD

WT

Siding

Out of round

Bow/1220mm

less than 6mm

more or less2.0%

more or less10%

12%

2.0%

2.5mm

6.00 to 15.00mm

more or less 1.25%

more or less8%

10%

1.5%

2.5mm

15.00 to 20.00mm

more or less1.25%

more or less10%

15%

1.5%

2.5mm

20.00 to 25.00mm

more or less1.25%

more or less10%

15%

1.5%

3.0mm

25.00 to 30.00mm

more or less1.35%

more or less12%

15%

1.5%

3.0mm

 

5.chemical composition

Cr

Ge

Fe

Mg

Ti

Ca

Al

Na

Li

K

OH

20

0.4

1.5

0.4

4.6

1.0

16

2.3

0.5

2.0

less than 25

 

6.spectral transmission at 1.0mm thickness

Nm

less than220

255

280

315

350

380

590

780

%

89

91

93

93

93

93

93.2

93.4

 

7.physical properties

Density 20°Ckg/m3

2.2

Coefficient of expansion 25-300°C/°C

0.58

Softening point(°C)

1670

Annealning point(°C)

1210

Strain point(°C)

1110

Youngs Modulus

7.3×105

 

 

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