Product

Code

OH

PPM

category

Application

Transparent

Quartz rod

FDB600

<150

Unbaked,GE214LD

PH300/308,

Ovisil451

Quartz welding,used in

semiconductor

industry

FDB600

<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

1620C

Coefficient of thermal expansion (20-230C)

5.6x10-7cm/cm.C

Back spot

1170C

Heat conductivity(20C)

1.4W/m.C

Strain point

1100C

Specific heat(20C)

670J/kg.C

Density

2.2g/cm3

Electric calresistivity(350C)

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