21 Lead Glass Tube - China

21% Lead glass tubing has the following properties: Chemical & Physical

Property: Coefficient of Expansion (20℃-300℃): 91.0±2×10-7/K

Softening Point: 635±10℃ When the Mass resistance is

100MΩ.

cm, temperature of TK-100: ≥240℃ Density:

2.85±0.03 g/cm3 Strain Point: 440.00 ℃ Annealing Point: 470.00

℃ Working Point: 1010.00 ℃ Melting Point: 1480.00 ℃

Content of Lead: 21%

Main composition

SiO2 62.5 %

Na2O+ K2O 14%

Al2O3 1.5%

PbO 21%

BaO+SrO

B2O3

Others 1%

Specification:

O.D. Tolerance Roundness D Tolerance Wall tolerance L Straightness

6.0<D<10.0 ±0.2 <0.2 0.8 ±0.05 <0.10 1000 <2

10.0<D<12.0 1.0

12.0<D<15.0

15.0<D<18.0 ±0.3 1.2 ±0.06

18.0<D<20.0 ±0.35 1.3 ±0.08

Application:

Lead glass tube can be used for high-grade core neon bulb, automotive bulbs, neon tubes and energy saving wick pillar products.

Also be used for pulling bubble tubes, test tubes, pipes and other crafts.

The company's product quality, by testing, in line with national standards.

Specifications of products according to customer needs.

21 Lead Glass Tube

For any questions and needs please contact us below

Company Contact:

• Posted By: Shandong Honhai Industrial Co.Ltd

• Phone: 8653167888660

• Address: Room 331, Shengkai Fortune Plaza, No. 29 Luoyuan S, Jinan , China

• Email:

• Website: http://www.boroglasstube.com

• Business Description: We are one of the leading suppliers of special glass and related products in China.
  
  We mainly produce borosilicate glass tube and rod, borosilicate float glass, borosilicate profile glass tube and rod;pharmaceutical glass packaging: galss vial and ampoule, neutral glass tube, molded injection vial, infusion bottle, rubber stopper, blood collection tube, test tube; lighting glass: soda lime glass tube, 21% lead glass tube, lead free glass.