Высококачественные прозрачные кварцевые стеклянные оптические окна HM/кварцевые линзы, JGS1, JGS2, JGS3

Properties:

Photo:

Parameters:

1. Different 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%)	0.185~3.52um (Tavg-85%)
   OH- content	1200ppm	150ppm	5ppm
   Fluorescence (ex254nm)	Virtually Free	Strong V-B	Strong V-B
   Impurity Content	5ppm	20-40ppm	40-50ppm
   Birefringence Constant	2-4nm/cm	4-6nm/cm	4-10nm/cm
   Melting Method	Synthetic CVD	Oxy-Hydrogen melting	Electrical melting
   Applications	Laser substrate, window, lens, prism, mirror	Semiconductor and high temperature window	IR & UV substrate

2. Same Properties

   Property	Typical Values
   Density	2.2x103 kg/m3
   Hardness	5.5 - 6.5 Mohs' Scale 570 KHN 100
   Design Tensile Strength	4.8x107 Pa (N/m2) (7000 psi)
   Design Compressive Strength	Greater than 1.1 x l09 Pa (160,000 psi)
   Bulk Modulus	3.7x1010 Pa (5.3x106 psi)
   Rigidity Modulus	3.1x1010 Pa (4.5x106 psi)
   Young's Modulus	72GPa (10.5x106 psi)
   Poisson's Ratio	0.17
   Coefficient of Thermal Expansion	5.5x10 -7 cm/cm·°C (20°C-320°C)
   Thermal Conductivity	1.4 W/m·°C
   Specific Heat	670 J/kg·°C
   Softening Point	1683°C
   Annealing Point	1215°C
   Strain Point	1120 °C
   Electrical Resistivity	7x107 ohm cm (350°C)
   Dielectric Properties	(20°C and 1 MHz)
   Constant	3.75
   Strength	5x107 V/m
   Loss Factor	Less than 4x10-4
   Dissipation Factor	Less than 1x10-4
   Index of Refraction	1.4585
   Constringence (Nu)	67.56
   Velocity of Sound-Shear Wave	3.75x103 m/s
   Velocity of Sound/Compression Wave	5.90X103 m/s
   Sonic Attenuation	Less than 11 db/m MHz
   Permeability Constants(700°C)	(cm3 mm/cm2 sec cm of Hg)
   Helium	210x10-10
   Hydrogen	21x10-10
   Deuterium	17x10-10
   Neon	9.5x10-10

This quartz glass plate is mainly used in :

• Windows /sight glass in high temperature
• Lenses
• Mirror substrates
• Crucibles, trays and boats
• UV transmitting optics (synthetic fused silica)
• IR transmitting optics
• Metrology components

Jinzhou Huamei Quartz Electrical Appliance Factory was established in the year of 2000 and located at Jinzhou city, Liaoning Province, China with 16 years excellent quartz glass producing experience.

Be with an advanced technological team, HUAMEI produce all kinds of quartz products, like quartz glass plate, quartz glass tube, mallet, instruments, quartz bowl, gold quartz tube, quartz heater, quartz heating tube, far infra-red directional radiation heater and other special or customized quartz products. Out products are widely used for electric light source ,electric heater, semiconductor, infra-red heating, light Optical communication, tank or vessel sight glass level gauge and chemical industry.

HUAMEI passed ISO9001and CE certified. With a quality control and assurance team, top Research & Development team, sales team, customer service team and after-sales service team, all the products is produced strictly as per international standards and customers' request with our own independent advanced producing team in our factory with high quality.

HUAMEI adheres to the "Professional, Integrity, Efficient" spirit of enterprise, we provide high quality products to all over the world. HUAMEI kindly welcome customers to visit us and we look forward to cooperate with you.