Product Description quartz glass sheet quartz glass uv transmission High quality quartz glass quartz plate Productsfeatures:
Name
Round quartz glass disc
OD Dimension Range
Φ1mm-Φ400mm(Other sizes as your required )
Thickness Range
0.1mm-20mm(Other sizes as your required )
Tolerance
From ±0.01mm to ±0.5mm
Other
High purity, rectangular pieces up to 1200mm, width up to 500mm
Clearandclean,
Highhomogeneity
Hightemperatureresistant
Highlighttransmission
Antichemistryattack
Working temperature:
Regularworkingtemperature:1000°C
Working temperature for short term:1100°C
instant working max temperature:1300°C
MechanicalProperty:
MechanicalProperty
Referencevalue
MechanicalProperty
Referencevalue
Density
2.203g/cm3
RefractiveIndex
1.45845
CompressiveStrength
>1100Mpa
Coefficientofthermalexpansion
5.5x10-7cm/cm.°C
BendingStrength
67Mpa
Hotworktemperature
1750~2050°C
TensileStrength
48.3Mpa
Thetemperatureforashorttime
1300°C
Poisson'sRatio
0.14~0.17
Thetemperatureforalongtime
1100°C
ElasticModulus
71700Mpa
Resistivity
7x107Ω.cm
ShearingModulus
31000Mpa
DielectricStrength
250~400Kv/cm
MothsHardness
5.3~6.5(MothsScale)
DielectricConstant
3.7~3.9
DeformationPoint
1280°C
Dielectricabsorptioncoefficient
<4x104
SpecificHeat(20~350°C)
670J/kg°C
Dielectriclosscoefficient
<1x104
ThermalConductivity(20°C)
1.4W/m°C
INSTUCTION
1.Donotoperateintemperaturebeyondquartzmaximumworkingtemperatureforlongtime.
Otherwise,productswilldeformcrystallizationorbecomesoftening.
2.Cleanthequartzproductsbeforehightemperatureenvironmentoperation.
Firstlysoaktheproductsin10%hydrofluoricacid,thenwashitwithhighpuritywateroralcohol.
Operatorshouldwearthingloves,directtouchwiththequartzglassbyhandisinhibited.
3.Itiswisetoextendthelifespanandthermalresistanceofquartzproductsviacontinuoususe
withinhightemperatureenvironment.Otherwise,intervaluseshallshortenproductslifespan.
4.Trytoavoidtouchwithalkalinesubstances(suchaswaterglass,asbestos,potassiumandsodiumcompounds,etc.)
whenemployingquartzglassproductsinhightemperature,whichismadeofacidmaterial.
Otherwiseproductanti-crystallinepropertieswillbegreatlyreduced.Company Information
Beijing Zhong Cheng Quartz Glass Co.,LTD (ZCQ ) is a full value-added factory in custom quartz products manufacturing. We believe customers should be regarded as root of the trees if a companydesires flourishment and fruits. Our mission is to provide a comprehensive suite of services related to meet your needs. We go out of our way to ensure that you receive the good service and personal attention you deserve.
EXW Price- In past 2015, we ZCQ manufactured and exported USD$600,000 quartz products.
Application:
They are widely used inoptical instrument, sight glass, observation window for furnace, semiconductor,photoelectron, military industry, metallurgy, andtest for Lab.Our Services
Questions and help
If you have any questions concerning products, please call us at 86-10-89770383 ,86-18701374721or email us.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 accepts 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 a most economic method of shipment before checkout.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.FAQ
Why to choose ZCQ ?
We have more than 20 years'experiences in Quartz Glass manufacturing ,
We have proffesional engineerings and professional technical. We have many advanced equipments and technical guidence .
What is your advantages ?
Our advantages is : Most competitive price +High quality +afer good services + highaccuracyShipping and packing
Package: protection paper, green air bag, air film, carton ,
safe and ecnomic even for freight collect as well.
Shipping methods and charges:
China post(15-25days)
Epacket to USA (10-15days)
EMS(7-10days)
Fedex(5-7days)
DHL(5-7days)
Actual shipping charge will be calculated upon product weight.
Payment term
Contact Details