• Laiyang Zhong Cheng Quartz Glass Co., Ltd

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Optical glass for Fused silica material  

Fused Silica is formed by chemical combination of silicon and oxygen. Fused Silica is perfect optical material due to its good UV and IR transmission, low coefficient of thermal expansion. It has high stability and resistance to thermal shock over large temperature excursions, wide temperature operating range and high laser damage threshold.

Specifacation

   Parameter

Standard   Grade

Precision   Grade

Ultra-precision   Grade

 Dimensional Tolerance

+/-0.1

+/-0.1

+/-0.1

Clear Aperture

 >80% to >90%

 >80% to >90%

 >80% to >90%

 Surface Quality

60-40

40-20

  20-10 to 10-5

Parallelism

1 arc min

30 arc seconds

  1 arc min

 Wavefront Distortion

1λper 25mm

λ/4

λ/10

 Protective Bevel

<0.25x45 deg

<0.25x45 deg

<0.25x45 deg

Coating

Optional

Optional

Optional

 Dimension

Depends on material  

 Thickness

Depends on material  

Application:

(1) Mechanical Components, Environmental Protection Industry,

(2) Plasma Processing Apparatus

(3)Aerospace, Commercial Industrial

(4) Military, Defense, Electronics

(5) Instrumentation, Research & Development, Nuclear

(6)Optical, Medical, Oil & Gas Lighting, Laser Equipment  Security

(7) Automotive, Audio/Video, Display Technology

(8) Furniture Design, Lighting Technology

(9) Military Technology, Office Automation, Projection Technology

(10) Vandal Proof Systems, Semiconductor, High Temperature Lighting

(11) Fiber Optics

Characteristics and superiority

1. Custom Design and Tailor-Made are welcome.

Big-dimension quartz window(L1100mm×W900mm×T12mm for instance )

Ultra-Thin windows (depend on the length and width, the thinnest thickness is down to 0.1mm)

 2. Multiple materials like Quartz, Fused Silica, Various Optical Glasses,Polyfluortetraethylene Materials or other Customer-Supplied Materials can be adopted.

3. The High-Precision Fabricated Parts deliver Superior Quality and Long Lifespan.

4. Description of Tolerance:

The Smallest Hole:OD 0.5mm Tolerances Range:+/- 0.1mm - +/- 0.05mm

Surface Quality,Flatness and Roughness: Customer Design


Material Properties for Quartz Glass

Physical Properties

Properties

Value

Mechanical   Properties

Density

2.203g/cm3

Compressive Strength

1100Mpa

Bending Strength

67Mpa

Tensile Strength

48.3Mpa

Poisson's Ratio

0.140.17

Young’s Modulus

72000Mpa

Rigidity Modulus

31000Mpa

Mohs Hardness

5.56.5

Thermal Properties

Deformation Point

1280

Softening Point

1680

Annealing Point

1210

Specific Heat (20350)

670J/kg.

Thermal Conductivity (20)

1.4W/m.

Coefficient of thermal expansion

5.5×10-7cm/cm.

Hot Work Temperature

17002000

Short-term Use Temperature

1300

Long-term Use Temperature

1100

Electrical   Properties

Resistivity

7×107Ω.cm

Dielectric Strength

250400Kv/cm

ε/ Dielectric Constant

3.73.9

Dielectric absorption coefficient

<4×104

Dielectric loss coefficient

<1×104

 

Chemical Properties

Solution

Treatment condition

Corrosion capacity

H2O

95 45Hours

1~2×10-7  g/cm2

98%H2SO4

20 2Hours

1.4×10-8  g/cm2

60%HNO3

20 2Hours

5.0×10-8  g/cm2

36%HCl

20 2Hours

15×10-8   g/cm2

5%NaOH

100 10Hours

1.35×10-3  g/cm2

1%KOH

98 2Hours

68×10-6   g/cm2

 

Purity

 

Name

Impurities ppm

Synthetic

CVDJGSI

Oxy-hyd melting

JGS2

Electrical melting

JGS3

Al

0.16

17.00

14.44

Fe

0.01

0.36

1.46

Ca

0.31

1.30

2.45

Mg

0.65

0.22

0.46

Ti

0.08

1.3

4.84

Cu

0.01

0.04

0.16

Ni

0.01

0.01

0.04

Co

0.04

0.01

0.02

Mn

0.01

0.03

0.08

K

0.34

0.63

2.16

Na

0.06

1.11

1.33

Li

0.01

0.63

0.81

B

/

0.08

0.05

OH

1100~1300

150~250

1~120

SiO2

>99.999%

99.99%

99.92%

Transmittance.jpg


ZCQ was founded in 1998, and we emphasis on optical fused quartz glass products and optical glass has resulted in our excellent reputation in this field . We fulfill our customers requests in our manufacturing base located in Beijing, China. As an international supplier of quartz glass, fused silica and optical glass products, we have been authenticated by GB/T190012008 QMS & CE, Our products are widely used in the Semiconductor, Telecommunications, Solar Energy, Electron, Optics, Optical Fiber, Chemical Industry, Coating, Medical Treatment, Aerospace, Military Affairs and other high-tech industries. 

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What is our business partners ?

We provide quartz glass products for customers in America, Germany, France, Britain, Australia, Korea, Japan, and more than 50 countries.  

Please do not hesitate to contact us as soon as possible. Your early reply will be highly appreciated.


ZCQ company mainly produces quartz glass series products: quartz tube (milky white, transparent, color quartz tube) quartz sheet, quartz rod, quartz boat, quartz prism quartz instrument. Laboratory use quartz instrument: laser cavity circumference of quartz tube, quartz, quartz tee, quartz door, bottle of quartz measuring cylinder, quartz distillation, spiral quartz tube, quartz, quartz distillation casing bottleneck, quartz glass, quartz crucible, quartz flask, quartz reaction kettle, quartz sieve plate tower, quartz evaporating dish, the oxidation of quartz tube, quartz color dish quartz grains.

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Quartz special-shaped products such as quartz crucible, quartz bell jar, quartz hemisphere observation window, quartz double-hole tube and quartz layering, etc. 


ZCQ quartz work manufacturer on YouTube

https://youtu.be/mvMeK0oJg44


 Quartz tube, Quartz plate, quartz rods Samples available, If you need sample to test our quartz rod quality, just contact us.

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