Lianyungang Xuri Lighting Electric Apparatus Co., Ltd.
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  • Contact Person : Ms. zhang Doris
  • Company Name : Lianyungang Xuri Lighting Electric Apparatus Co., Ltd.
  • Tel : 86-518-87289581
  • Fax : 86-518-87289581
  • Address : Jiangsu,Lianyungang,Chezhuang Industrial Park,Shiliu Town,Donghai County
  • Country/Region : China
  • Zip : 222300

clear fused borosilicate glass tube

clear fused borosilicate glass tube
Product Detailed
Related Categories:Quartz Tubes
borosilicate glass tube 1.product size:OD40mm*WT3mm*Length400mm 2.melting point is 1200 centigrade degree 3.used in heater

borosilicate glass tube

1.high purity, good spectral transmission, well controlled dimension

2.dimension tolerance

Range of OD

OD

WT

Siding

Out of round

Bow/1220mm

≤6mm

More or less2.0%

More or less10%

12%

2.0%

2.5mm

6.00-15.00mm

More or less1.25%

More or less8%

10%

1.5%

2.5mm

15.00-20.00mm

More or less1.25%

More or less10%

15%

1.5%

2.5mm

20.00-25.00mm

More or less1.25%

More or less10%

15%

1.5%

3.0mm

25.00-30.00mm

More or less1.35%

More or less12%

15%

1.5%

3.0mm

30.00-80.00mm

More or less1.5%

More or less14%

15%

2.0%

3.0mm

3.chemical composition

Cr

Ge

Fe

Mg

Ti

Ca

Al

Na

Li

K

0.1

0.4

1.5

0.4

0.1

0.8

16

2.3

0.5

2.0

4.spectral transmission at 1.0mm thickness

Nm

≤220

255

280

315

350

380

590

780

%

89

91

93

93

93

93

93.2

93.4

5.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

clear fused borosilicate glass tube



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