product name:

Quartz rod

Product

Code

OH
PPM

category

Application

Transparent
Quartz rod

<150

Unbaked,GE214LD
PH300/308,
Ovisil451

Quartz welding,used in
semiconductor
industry

<150

Unbaked,GE214LD
PH300/308,
Ovisil451

High-quality
welding

Range of OD

OD

WT

Siding

Ovality

Bow/1220mm

<5mm

<62.0%

<68%

10%

1.5%

<2.5mm

5mm-13mm

<61.5%

<68%

8%

1.2%

<2.5mm

13mm-30mm

<61.5%

<67%

8%

1.0%

<3.0mm

30mm-80mm

<61.5%

<68%

8%

1.0%

<3.0mm

Chemical element

Al

Fe

Ca

Mg

Li

K

Na

Ti

Complexity
analysis

23.2

4.8

3.1

2.5

2.0

5.4

6.1

Capability

Reference

Capability

Reference

Softening point

1620.c

Coefficient of thermal expansion (20-230.c)

5.6x10-7cm/cm. .c

Back spot

1170.c

Heat conductivity(20.c)

1.4W/m. .c

Strain point

1100.c

Specific heat(20.c)

670J/kg. .c

Density

2.2g/cm3

Electric calresistivity(350.c)

7x107ohm.cm

Hardness

5.5-6.5Mohs

Dielectric constant

3.75

Tensile strength

4.8x107N/m2

insulation strength

5x107V/m

Compression strength

1.1x109N/m2