QUARTZ ROD

(ppm by weight: analysis via Direct Reading Spectrometer)

Al

As

B

Ca

Cd

Cr

Cu

Fe

K

Li

Mg

Mn

Na

Ni

P

Sb

Ti

Zr

OH

14

<0.002

<0.02

0.4

<0.01

<0.05

<0.05

0.2

0.6

0.6

0.1

<0.05

0.7

<0.1

<0.2

<0.003

1.1

0.8

10

Mechanical Density 2.2x103 kg/m3 Hardness 5.5 - 6.5 Mohs’ scale; 570 KHN100 Design Tensile Strength 4.8x107 Pa (N/m2);7000psi Design Compressive Strength >1.1x109 Pa;160,000psi Bulk Modulus 3.7x1010 Pa; 5.3x106 psi Rigidity Modulus 3.1x1010 Pa; 4.5x106 psi Young’s Modulus 7.2x1010 Pa; 10.5x106 psi Poisson’s Ratio 0.17

Thermal Coeff. of exp. (20 - 320 °C) 5.5x10-7 cm/cm · °C Thermal Conductivity (20 °C) 1.4 W/m · °C Specific Heat (20 °C) 670 J/kg · °C Softening Point 1683 °C Annealing Point 1215 °C Strain Point 1120 °C

Electrical Electrical Resistivity (350 °C) 7x107 ohm cm Dielectric Constant (20 °C and 1MHz) 3.75 Dielectric Strength (20 °C and 1MHz) 5x107 V/m Dielectric Loss Factor (20 °C and 1MHz) < 4x10-4 Dissipation Factor (20 °C and 1MHz) < 1x10-4 Index of Refraction 1.4585

WHILE EVERY ATTEMPT HAS BEEN MADE TO VERIFY THE SOURCE OF THE INFORMATION, NO RESPONSIBILITY IS ACCEPTED FOR ACCURACY OF DATA.