China 3.3 high borosilicate glass rod 3-42mm Diameter

Feature:Heat-resistant,acid-resistant,alkali-resistant diameter :3-42mm color: clear softening point: 820+/-10 COE:3.3

Regular diameter of our glass rod is 3-42mm, we can customize the unconventional specifications according to the customers’ demand

High borosilicate glass is a kind of material with high temperature resistanceUnder the condition of 20-300°C, coefficient of mean linear expansion is 3.3±0.1(10-6K-1)The color is clearpacking details: carton, we also pack the goods as the customer’s requirements.

Glass Rod(Bar) Introduction

3.3 high borosilicate glass performance and usage introduction

Raw material we imported from Europe 

High borosilicate glass is one kind of special glass which has first class level of hydrolysis resistance performance, widely used in laboratory and chemical plants, in recent years in the solar heating device on the application have developed rapidly.

Advantages

3.3 High borosilicate glass product has known as chemical stability, high voltage, resistance to thermal shock and excellent processing performance characteristics.

Quality

We adopt advanced production technology to produce 3.3 High borosilicate glass tube, capillary, bar(rod). high borosilicate 3.3 (DIN ISO3585) are recognized in the world. The production process of every step has strict quality control, and through ISO9001 quality authentication.

Feature:Heat-resistant,acid-resistant,alkali-resistant

Specifications

3.3 High borosilicate Glass Rod(Bar)1) Diameter: 3mm to 42 mm2) Length: below 2500mm3) MOQ: 1 MT4) Package:15-20KG/Carton

3.3 High borosilicate Glass Rod(Bar) main chemical content:

SiO2    above 81%;     B2O3       above 13%

Na2O+K2O  above 4% ;    Al2O3       above 2%

3.3 Borosilicate Glass Rod(Bar)

Physical Property
No.	Physical performance	Numerical Value	Unit
1	Coefficient of mean linear thermal expansion(20°C,300°C)	3.3±0.1	10-6K-1
2	Transformation temperature	525±15	°C
3	Softening point	820±10	°C
4	Working point	1260±20	°C
5	Density at 20°C	2.23±0.02	g/cm3
6	Mean thermal conductivity(20°C-100°C)	1.2	w/m2k
7	Refractive index	0.92	1

Application:Suit for super quality architectural lamps,Decorative glass