Product Code: 135995

Address:

Shandong,China

Main Products:

Borosilicate glass tube rods,neutral glass tube bar,soda lime glass tube rods,lead glass tube rod,le

Contact Info.
borosilicate glass tube,glass tube,tube,tubing,rod,pyrex
  • FOB Price
    US $ 300.00 - 500.00 / Kilogram(s)
  • Min. Order
    500 Kilogram(s)
  • Payment Terms
    -- --
  • Port
    Qingdao
  • Delivery Time
    0 days after payment
  • Place of Origin:
    Shandong China (Mainl...
  • Brand Name:
    TYK
  • Thickness:
    0.02-10
  • clear:
    color
Product Description

  borosilicate glass tube, borosilicate glass rods, borosilicate glass bar

Color: clear, red, yellow, green, blue, purple, amber, pink
Special Shape Tube:
Triangle tube, Square tube, Ellipse tube, Flat

Physical Data:

No.

Physics Performance

Numerical Value

Unit

1

Medium coefficient of linear expansion α20/300 acc.To DIN 52328

3.30.1

10-6 K-1

2

Transformation Temperature

52515

3

Viscosity temperatures (dPa·s)

 

 

1014.7

51010

 

1013.2 upper annealing temperature

56010

107.5 softening point

82010

 

104  working temperature

126020

4

Maximum short-time working temperature

500

5

20 Density ρ

2.230.02

g/cm3

6

Modulus of elasticity E

64

103 N/mm2

7

Poissons ratioμ

0.20

1

8

Thermal conductivityλw(20-100)

1.2

W/m2K

9

Temperature for the specific electrical resistance of 108Ω·cm(DIN52326)tk 100

250

10

Electrical volume resistance logarithm(Ω·cm)

 

 

At 250

8

 

At 350

6.5

11

Dielectric Properties (1MHz,25)

 

 

Dielectric figureε

4.6

1

 

Dielectric loss factor tanδ

37

10-4

12

Refractive index(λ=587.6nm)nd

1.473

1

13

Stress-optical constant(DIN52314)K

4.0

10-6mm2/N

Chemical Composition in approx.weight % (main components)

SiO2         B2O3           Na2O + K2O        Al2O3

81          13            4                2