Quartz Glass plate& Discs-- Optical Observation Window-Quartz Glass Plate & Discs-Laiyang Zhong Cheng Quartz Glass Co., Ltd.-Custom Fabrication of High Precision Glass Parts

Quartz Glass plate& Discs-- Optical Observation Window

Material：
1: Fused silica quartz glass (Silica Glass ,Quartz Glass )
A) Optical quartz glass
Far Ultraviolet quartz glass (JGS1)UV Grade
Ultraviolet quartz glass (JGS2) Optical grade
Infrared optical quartz glass ( JGS3)
B) Synthetic quartz glass
C) K9 Glass
D) Borosilica Glass including 80% SiO2

Quartz Glass plate& Discs-- Optical Observation Window Application
Widely used in chemistry, machinery, laser, optical instrument, Scientific research laboratory, Electronics,semiconductor industry etc.

ZCQ company introduction
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, our leading product including glass capillary tube/rod, special shaped glass rube/rod, quartz plate, laser cavity filter, fiber end cap, quartz apparatus and quartz parts,Glass Capillary Tubes and Rods, Special Shaped Glass Capillary Tubes and Rods, Quartz Plates, Quartz Machined Parts, Quartz Instruments, Quartz Laser Cavity Filter etc.
ZCQ 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.Our products are sold to domestic, Asia,Europe, America and Pacific regions, and have received good reputation from our customers.

Quartz Glass plate& Discs-- Optical Observation Window Size：

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
Quartz plate Dimension	Depends on material
Optical Observation Window Thickness	Depends on material

Quartz Glass plate& Discs-- Optical Observation Window 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

Quartz Glass plate& Discs-- Optical Observation Window 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	0.14～0.17
	Young’s Modulus	72000Mpa
	Rigidity Modulus	31000Mpa
	Mohs Hardness	5.5～6.5
Thermal Properties	Deformation Point	1280℃
	Softening Point	1680℃
	Annealing Point	1210℃
	Specific Heat (20～350℃)	670J/kg.℃
	Thermal Conductivity (20℃)	1.4W/m.℃
	Coefficient of thermal expansion	5.5×10-7cm/cm.℃
	Hot Work Temperature	1700～2000℃
	Short-term Use Temperature	1300℃
	Long-term Use Temperature	1100℃
Electrical Properties	Resistivity	7×107Ω.cm
	Dielectric Strength	250～400Kv/cm
	ε/ Dielectric Constant	3.7～3.9
	Dielectric absorption coefficient	<4×104
	Dielectric loss coefficient	<1×104

Chemical Properties

Solution	Treatment condition	Corrosion capacity
H2O	95℃ 45（Hours）	1~2×10-7 g/cm2
98%H2SO4	20℃ 2（Hours）	1.4×10-8 g/cm2
60%HNO3	20℃ 2（Hours）	5.0×10-8 g/cm2
36%HCl	20℃ 2（Hours）	15×10-8 g/cm2
5%NaOH	100℃ 10（Hours）	1.35×10-3 g/cm2
1%KOH	98℃ 2（Hours）	68×10-6 g/cm2

Purity

Name	Impurities ppm
Name	Synthetic （CVD）JGSI	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%

透过率题-4.jpg

Our Service

Questions and Help
If you have any questions concerning products, please call us at +86-10-69769891 or mobile:+86-18516865162, 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.

ZCQ on Youtube:
YouTube https://youtu.be/mvMeK0oJg44 

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