Product

Code

OHPPM

category

Application

TransparentQuartz rod

<150

Unbaked,GE214LDPH300/308,Ovisil451

Quartz welding,used insemiconductorindustry

<150

Unbaked,GE214LDPH300/308,Ovisil451

High-qualitywelding

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

Complexityanalysis

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