• 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

Beijing ZCQ Company Advantages and Conveniences
1.Supply quartz products by customer designed drawing .Also advises on drawings design and improvement to better realize product production and application.
2. Price negotiated by balance of order quantity and cooperation term.
3. Paypal payment with small banking transferring fees for small order quantity.
   50-100% T/T payment with free banking transferring fee for large order quantity
4. Safe and economical package : wooden outside, air plastic film inside,
   free carton packing
5. Free samples available, shipping charge paid by buyer
6. Products recreated or newly fabricated when broken during shipping .

 

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%

Company Profile


Founded in 1998, Beijing Zhong Cheng Quartz Glass Co,.ltd.( short for ZCQ) is located in Beijing, the Capital of China. It has a large production base in Laiyang, Shandong province which covers an area of 20,000 square meters, It is a high-tech comprehensive glass processing enterprise integrating R&D production and sales.

ZCQ specializes in the custom processing of various optical glass, including glass capillary tube/rod, special shaped glass rube/rod, quartz plate, laser cavity filter, fiber end cap, quartz apparatus and quartz parts etc. Products are widely used in semiconductor,communications, solar energy, electronics, optics, optical fiber, aerospace, military, chemical industry, coating medical treatment and many other high-end industries.
products are sold to domestic, Asia,Europe, America and Pacific regions, and have received good reputation from our customers.
Exhibition Live
Our Service
Questions and Help
If you have any questions concerning products, please call us at 86-10-69769891 or email us zcqsales@quartzwork.com .
Order Acceptance and Pricing
ZCQ will provide a Pro Forma Invoice as confirmation on customers’ order.
Production will be arranged in line with technical specification within the invoice once payment received .
Payment Terms
Advanced T/T Credit Card Payments: ZCQ accepts Visa, MasterCard, and American Express.
We also accept Paypal payment .
Shipping & Handling
Freight Policy: If you have a freight collect account with any shipping carrier, please tell us in advance.
Or we will advise you an most economic method of shipment before checkout.
Return/Guarantee Policy
A Return Merchandise is to be returned on the original shipping form. Returns may be subject to freight. Credit will not be issued until the return has been received and inspected by ZCQ. Please send us an email and include your order number.
contact information
Jenny Cheng
Beijing Zhong Cheng Quartz Glass Co., Ltd.
Address: Houbaihujian 26, Yangfang, Changping District, Beijing China
Tel: +86 10 6976 9891 Ext. 807
Mob/Wechat: +86 18516865162
Email/Skype: zcqsales(a)quartzwork.com

Sample available

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


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