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Electric Fused Quartz


Introduction


High purity synthetic quartz glass melted by chemical vapor deposition (CVD) process and silicon tetrachloride (SiCl4) as raw material, quartz glass ingot, quartz glass cylinder/ring and its products with regular shape are produced through secondary, electric melting heat modification and mechanical processing. Widely used in advanced semiconductor processes and precision optics.
 



Chemical purity


Impurity Typical Value    (ppm)

Al

<0.05

Ca

<0.02

Cu

<0.005

Fe

<0.005

Ti

<0.01

Mn

<0.01

K

<0.01

Na

<0.02

OH

900-1300


Appearance


Item

Bubble

200nm Transmittance

Appearance Color

Surface Contaminants

Index

No visible bubbles to the naked eye.

≥85%

The outer surface color is uniform , without any impurities , and the interior is colorless and transparent after being coated with red oil.

No toxic or harmful residues.

Other sizes available upon requests.


Physical Property

Mechanical Properties

Density(g/cm3)

Young’s Modulus(GPa)

Poisson’s Ration

Bending Strength(MPa)

Compressive Strength(MPa)

Tensile Strength(MPa)

Torsional Strength(MPa)

Mohs Hardness

2.2

74

0.17

65

1300

49

29

6-7

Electrical Properties

Dielectric Constant (10GHz)

Loss Factor(10GHz)

Resistivity (20℃)(Ω.cm)

3.7

0.0002

1×1016

Thermal Properties

Strain Point(η=1014.5 ℃)

Annealing point(η=1013 ℃)

Softening point(η=107.8 ℃)

Thermal Conductivity(W/m·k)(20℃)

Specific Heat(20℃)(J/kg.k)

Diffusivity(20℃)(x10-7·m2/s)

Expansion Coefficient(x10 -7/k)
α :25℃~320 ℃

1070

1150

1670

1.24

749

7.5

5.2-5.8



Transmittance Curve

透過率曲線 .jpg

     Thickness 10mm

  Synthetic Quartz FLH301  Consulting Service   :18272229653

Address:湖北省荊州市東方大道68號(hào) (68 Dongfang Avenue, Jingzhou City, Hubei Province)
PostCode:434001
Tel:86-0716-8304668,8333088
Fax:86-0716-8310688
Email:info@feilihua.com
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