Add:Liaoning Jinzhou Jiefangxi Road NO.59 Tel:+86-416-5180662 Fax:+86-416-5182998   Contact:Mr.Lv        power by:www.300.cn  jinzhou.300.cn  辽ICP备05005065号

>
>
Quartz glass Chemical content and Physical Property

Quartz glass Chemical content and Physical Property

Classification:
NEWS
Author:
Source:
Release time:
2019/10/29 11:29
Page view
Review:

Chemical content:

                                                             Unit:ppm

 

SiO2

Al

Fe

Ca

Mg

Ti

Mn

B

K

Na

Li

>99.9%

<25

<1.5

<1.0

<1.5

<1.0

<0.5

<1.0

<2

<1.5

<0.8

Transmission >85%                                

 

Physical Property:

Character

Value

Noted

Density

2.2×103/

 

 

Thermal stability:

Put the quartz material from 1100 °C to 20 

three times, will not cracks.

It will be not chaged color under 1100 degree for three hours.

 

Hardness

570KHN100

Tensile strength

4.8×107Pa(N/㎡)

Compression strength

1.1×109 Pa

Coefficient of thermal

expansion (20-300℃)

5.5×10-7/㎝℃

 

Thermal conductivity (20℃)

1.4W/m℃

Specific heat(20℃)

660J/㎏℃

Softening point

1730℃

Annealing point

1250℃

 

 

Key words:
Scan QR code to view with phone