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Заводская цена jgs1 Сплавленный кремнезема тигель куб пустой стержни пластины

Заводская цена jgs1 Сплавленный кремнезема тигель куб пустой стержни пластины

Категории: Quartz Products >>>
Поставщик: Hangzhou,DCT,Technology,Co.,Ltd.

Цена:0,50 $*

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Количество:

Описание и отзывы

Характеристики

Factory price jgs1 fused silica crucible cube blank rods plate glass sheet

Product Description

Materials
1.Quartz materials: high purify quartz powder
2.Purity:99.99% SIO2
3.High Corrosion Resistance
4.Transmission of visible light>93%
5.Working temperature: 1100°C in long time,1450 °C in short time

Description:
It is an optical quartz glass made by oxyhydrogen flame melting and is suggested for applications in the wavelength range of 220-2500nm.

Specifications:
High purity made of 99.99% pure quartz
Strong Hardness, Can reach Morse level 7.
High temperature resistance, can work under 1200°C continuously, and in short time can even work under 1500°C.
Acid and Alkali resistance. Except Hydrofluoric acid, JD professional customized transparent quartz glass tube does not react with any acid.
Electric insulation, it is 10000 times of usual glass.
High light transmittance, it is different from 85%-95% depend on different spectrum.
Excellent thermal shock stability, small thermal expansion coefficient, it is only 5.5×10-7/ºC
Control in less than 20 PPM, 15 PPM, 10 PPM, 5 PPM, 2 PPM.

Parameter sheet:

Quartz Glass Tube Tubing Hardeness	5.5-6.5 Mohs' Scal 570 KHN 100
Design Tensile Strength	4.8X107 PA (N/mm2) (7000psi)
Design Compressive Strength	>1.1X109 PA (160, 000 psi)
Bulk Modulus	3.7X1010 PA (5.3X106psi)
Rigidity Modulus	3.1X1010 PA (4.5X106psi)
Young's Modulus	7.2X10-10 PA (10.5X106 psi)
Poisson's Ratio	0.17
Coefficient of Thermal Expansion	5.5X10-7cm/cm. °C (20°C-30°C)
Thermal Conductivity	1.4 W/m. °C
Specific Heat	670J/kg. °C
Softerning Point	1683°C
Annealing Point	1215°C
Strain Point	1120°C
Electrical Receptivity	7X107 ohm. Cm (350°C)
Velocity of Sound-Shear Wave	3.75X103 m/s
Velocity of Sound/ Compression Wave	5.9X103 m/s
Sonic Attenuation	<11dB/m MHz
Chemical Stability (except hydrofuoric)	High resistance to water and acids
Dielectric Properties (20°C and 1MHz) Constant Strength Loss Factor Dissipation Factor	3.75 5X107 V/M Less than 4X10-4 Less than 1X10-4

Main Properties

Difference properties
Parameter\|Value	JGS1	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 ppm	150 ppm	5 ppm
Fluorescence (ex 254nm)	Virtually Free	Strong v-b	Strong V-B
Impurity Content	5 ppm	20-40 ppm	40-50 ppm
Birefringence Constant	2-4 nm/cm	4-6 nm/cm	4-10 nm/cm
Melting Method	Synthetic CVD	Oxy-hydrogen melting	Electrical melting
Applications	Laser substrate: Window, lens, prism, mirror...	Semiconductor and high temperature window	IR substrate