• Laiyang Zhong Cheng Quartz Glass Co., Ltd

  • 中文/EN

    咨询热线：+86 186 0079 8132

HOME >> PRODUCT >> Quartz Glass Plate & Discs

Specification

                                                                   
Materialfused silica or JGS1,JGS2,JGS3
Diameter tolerance+/-0.1 mm
Thickness tolerance+/-0.1 mm
Clear Aperture>90%
Parallelism3 arc minutes
Surface Quality40/20 scratch and dig
Surface irregularityλ/4 (at) 632.6nm
Protective Bevel0.25x45°


Features:low
cost, low thermal coefficient of expansion, better thermal stability,
superior properties of transmission, mechanics and optics.

Applications:Electrics,
precision optics, laser equipments,optics communication,
emitter/detector protection devices (such as in spectrophotometers), and
imaging systems etc.

Transmission Curve for JGS1,JGS2 and JGS3


Ultraviolet
Grade Fused Silica: JGS1 (China), equivalent to Suprasil 1 and 2
(Heraeus), Spectrosil A and B (Saint-Gobain) and Corning 7940 (Corning),
Dynasil 1100 and 4100 (Dynasil).

Optical
Grade Fused Quartz: JGS2 (China), equivalent to Homosil 1, 2 & 3
(Heraeus), Dynasil 1000 & 4000 and 5000 & 6000 (Dynasil)


IR grade Fused Silica: JGS3 (China), equivalent to Suprasil 300 (Heraeus).


Difference properties

                                                                                                               
ParameterJGS1
JGS2 JGS3
Maximum Size<φ200mm<φ300mm<φ200mm

Transmission Range

(Medium transmission ratio)

0.17~2.10um 

 (Tavg>90%)

0.26~2.10um

(Tavg>85%)

0.25~3.50um

(Tavg>85%)

OH- Content
1200 ppm150 ppm5 ppm
Fluorescence (ex 254nm)
Virtually FreeStrong v-bStrong V-B
Impurity Content5 ppm20-40 ppm40-50 ppm
Birefringence Constant2-4 nm/cm4-6 nm/cm4-10 nm/cm

Applications

Laser substrate: Window,

lens, prism, mirror...

Semiconductor and high temperature window
IR substrate


Same Properties                                                           

Density2.20g/cm3

Abbe Constant

67.6
Refractive Index (nd) at 588nm

1.4586

Wavelength (um)Refractive Index (n)Wavelength (um)Refractive Index (n)
0.2001.550511.0001.45042
0.2201.528451.0641.44962
0.2501.507451.1001.44920
0.3001.487791.2001.44805
0.3201.482741.3001.44692
0.3601.475291.5001.44620
0.4001.470121.6001.44342
0.4501.465571.7001.44217
0.4881.463021.8001.44087
0.5001.462331.9001.43951
0.5501.460082.0001.43809
0.5881.458602.2001.43501
0.6001.458042.4001.43163
0.6331.457022.6001.42789
0.6501.456532.8001.42377
0.7001.455293.0001.41925
0.7501.454243.2001.41427
0.8001.453323.3701.40990
0.8501.452503.5071.40566
0.9001.451753.7071.39936

                                                      

Hardness5.5 - 6.5 Mohs' Scale 570 KHN 100
Design Tensile Strength4.8x107 Pa (N/mm2) (7000 psi)
Design Compressive StrengthGreater than 1.1x109 Pa (160,000 psi)
Bulk Modulus3.7x1010 Pa (5.3x106 psi)
Rigidity Modulus3.1x1010 Pa (4.5x1066 psi)
Young's Modulus7.2x1010 Pa (10.5x106 psi)
Poisson's Ratio0.17
Coefficient of Thermal Expansion5.5x10-7cm/cm.°C (20°C-320°C)
Thermal Conductivity1.4 W/m.°C
Specific Heat670 J/kg.°C
Softening Point1683°C
Annealing Point1215°C
Strain Point1120°C
Electrical Receptivity7x107 ohm.cm (350°C)
Dielectric Properties (20°C and 1 MHz)
  Constant
  Strength
  Loss Factor
  Dissipation Factor		3.75
  5x107 V/m
  Less than 4x10-4
  Less than 1x10-4
Velocity of Sound-Shear Wave3.75x103 m/s
Velocity of Sound/Compression Wave5.90x103 m/s
Sonic AttenuationLess than 11 db/m MHz
Permeability Constants (cm3mm/cm2 sec cm of Hg)
  Helium
  Hydrogen
  Deuterium
  Neon		(700°C)
  210x10-10
  21x10-10
  17x10-10
  9.5x10-10
Chemical Stability (except hydrofluoric)High resistance to water and acids
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.  We mainly produce all kinds of quartz products: such as quartz glass sheet, quartz plate, ordinary quartz crucible, irregular quartz crucible, opal quartz thick wall tube, transparent quartz tube, opal quartz ring or transparent quartz ring, quartz cone, quartz guide tube, quartz insulation tube, 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 .

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 +8613764740247
Email/Skype: zcqsales@quartzwork.com

<< 上一页

下一页 >>

sales@quartzwork.com zcq.sales@quartzwork.com +86 13910977974 2730891878

SALES HOT LINE：+86 186 0079 8132

Links: Technical Support : cnwangju com
Sitemap  

Copyright © Beijing Zhong Cheng Quartz Glass Co., Ltd. All rights reserved ∣ 鲁ICP备2023031648号-1