Cetek Technologies, Inc.
19 Commerce Street
Poughkeepsie, NY 12603
Phone: (845)452-3510
Fax: (845)452-3524

CTKH Quote (8/20/2008)
Price:     0.0001
Change:     0.00 - 0.00%
Volume:     500,000
Time:     10:12am
Properties Alumina Glass Ceramic Mullite Spinel
Cetek's Material Name CTAL-92 CTAL-94 CTAL-96 CTAL-99.6 CT-100 CTML-98 CTML-70 CTSP-90
Major Crystalline Phases Nom 92% Alumina Nom 94% Alumina Nom 96% Alumina Nom 99.6% Alumina Nom 90% Cordierite Nom 98% Mullite Mullite Silica Spinel MgO
 
Density 3.65 3.75 3.8 3.89 2.6 3.12 2.9 3.55
Surface Finish
(micro-inches) CLA		 As-Fired 15 15 10 6 20 20 20 20
Polished 6 6 4 2 6 6 6 6
Flexural Strength (25C) (PSI) 48x103 51x103 55x103 60x103 17x103 28x103 22x103 38x103
Thermal Conductivity
(25 C) (W/m °K)		 16.5 21.2 25.2 34.2 5 8 7 14
Coefficient of Thermal Expansion
(25-600C) (10+6 / C)		 6.8 7.1 7.8 8.1 3.7 5.3 3.7 9
Dielectric Strength
(ac-kV/mil)		 50 mils 420 425 410 430 800 580 500 450
25 mils 550 560 550 580 1000 680 600 550
DC Breakdown Voltage
(Volts / mil)
40 mils
1400 1450 1500 1650 ----- ----- ----- -----
Dielectric Constant 1 kHz 8.2 8.5 9 9 5.2 6.5 6 8.2
1 MHz 8.2 8.5 9 9 5.3 6.5 6 8.2
Dielectric Loss Tangent 1 kHz 0.0006 0.0007 0.0005 0.0003 0.0047 0.004 0.004 0.004
1 MHz 0.0004 0.0004 0.0003 0.0001 0.0012 0.005 0.005 0.005
Volume Resistivity
(ohm-cm2/cm) 		25 C > 1014 > 1014 > 1014 > 1014 > 1014 > 1014 > 1014 > 1014
300 C 1.5x1011 3.0x1011 1.8x1012 1.6x1013 1.2x1012 4.5x108 3.0x1012 5x1013
1000 C 8.5x105 9.5x105 1.5x106 1.1x107 4.1x106 2.9x105 1.8x108 4.5x108

Copyright © 2005 Cetek Technologies Inc.

Click Here to Go Back