Factory Cheap Hot Borosilicate Glass Discs - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya manufacturers and suppliers

Factory Cheap Hot Borosilicate Glass Discs - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya

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To be a result of ours specialty and repair consciousness, our corporation has won a good popularity amid consumers everywhere in the environment for Uv-Visible Wavelengths Quartz Glass Plate, Frameless Tempered Aluminium Mirror Glass, Pdlc Smart Switchable Tinted Film, If you are interested in any of our products, please feel free to contact us for more details. We hope to cooperate with more friends from all over the world.

Factory Cheap Hot Borosilicate Glass Discs - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya Detail:

Milky white frosted silica glass quartz tube

1. high temperature resistance glass can work under 1200°C continuously,and in short time can even work under 1450°C, its softening point is 1650°C,and the melting point is 1650-1800°C.
2.Corrosion resistant, Except hydrofluoric acid, Quartz tube do not react with any acid and base except hydrofluoric acid.the stability is 30 times of the ceramic,and 150 times of stainless steel .
3.Excellent thermal shock stability
4.High transmission to 85%
5.Electric insulation ,it is 10000 times of usual glass.

ensity	2.2×10³ kg/m3	Dielectric Properties	(20°C and 1 MHz)
Hardness	5.5 – 6.5 Mohs’ Scale 570 KHN 100	Constant	3.75
Design Tensile Strength	4.8×10⁷ Pa (N/m2) (7000 psi)	Strength	5×10⁷ V/m
Design Compressive Strength	Greater than 1.1 x l0⁹ Pa (160,000 psi)	Loss Factor	Less than 4×10^-4
Bulk Modulus	3.7×10¹⁰ Pa (5.3×106 psi)	Dissipation Factor	Less than 1×10^-4
Rigidity Modulus	3.1×10¹⁰ Pa (4.5×106 psi)	Index of Refraction	1.4585
Young’s Modulus	72GPa (10.5×10⁶ psi)	Constringence (Nu)	67.56
Poisson’s Ratio	0.17	Velocity of Sound-Shear Wave	3.75×10³ m/s
Coefficient of Thermal Expansion	5.5×10^-7 cm/cm·°C (20°C-320°C)	Velocity of Sound/Compression Wave	5.90X10³ m/s
Thermal Conductivity	1.4 W/m·°C	Sonic Attenuation	Less than 11 db/m MHz
Specific Heat	670 J/kg·°C	Permeability Constants(700°C)	(cm3 mm/cm2 sec cm of Hg)
Softening Point	1683°C	Helium	210×10^-10
Annealing Point	1215°C	Hydrogen	21×10^-10
Strain Point	1120 °C	Deuterium	17×10^-10
Electrical Resistivity	7×10⁷ ohm cm (350°C)	Neon	9.5×10^-10

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

Packing & delivery quartz glass tube

1.plastic bubbles
2.polystyrene foam sheet
3.carton
4.wooden case
5.delivery by shipping or Express, such as EMS/DHL/TNT/UPS/Fedex within 3-5 working days.

Product detail pictures:

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