roperty:
1. Incredibly thermally shock resistant (can be taken from red heat and plunged into water without cracking) 4. Good chemical resistance
2. Low thermal coefficient of expansion (TCE) and high softening temperature 5. Excellent electrical insulator
3. Optical transmission properties from ultra violet to infra red 6. High radiation resistance
 
Parameters:
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

Lianyungang Yuanda Quartz Product Co.,Ltd (YUD)is a leading manufacturer in the infrared heating tech and quartz glass products .With many years of produce and export experience, we got much trust and supports from our customers all over the world.
Our advantage is provide professional customized solution according different application.
The products have been sold and highly recognized in the markets including the America, Europe, the Middle East and South Asia .
The YUD TECH infrared lamps and YUANDA quartz glass have been used in over 3000 industrial heating processes, including: Automotive, Food, Glass, Plastics, Textiles, Semi-conductor, Printing, Electronics and etc. for Drying, Coating, Laminating and Annealing and ect.
The quartz glass products are good use in industry includes Drying and Solidification,Lab instruments, semiconductor,Optical,,Solar,CCFL,Electric heating.
                                               
Our popular products including: 
IR lamp products:                                                                                                                     
  1. Single tube lamp: in short wave, medium wave, fast medium wave
       And far wave infrared heating lamps.
  2. Ring shape lamp .M shaped lamp.U shaped lamp etc.
  3.OEM /Custom the quartz heater lamps according your drawing.
  4. Accessories for IR lamps
Quartz glass products:
   1.Quartz glass tubing.UV quartz tube
   2.quartz plate.quartz sheet.quartz window
   3.quartz rod
   4.quartz test tube.quartz crucible and other quartz instrument for lab