
Innovative Technology
for a Connected World
TflexTM 300 Series
Thermal Gap Filler
THR-DS-TFLEX-300 0612
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Document A15293-00 Rev F, 06/2012.
STANDARD THICKNESSES
0.020 to 0.200-inch (0.5 to 5.0mm)*
0.020 to 0.200-inch thick material available in 0.010-inch (0.25mm) increments
*Inquire about availability of material and options above 0.200-inches
** FG (fiberglass) is standard for thicknesses 0.020” (0.50mm) and 0.030” (0.76mm)
OPTIONS
PET dielectric “H” liner available for applications where easy slide assembly is desirable
MATERIAL NAME AND THICKNESS
Tflex™ indicates elastomeric gap filler product line
3xxx indicates high recovery ‘3 series’ 1.2 W/mK material
-DC1 designates proprietary tack eliminated coating
-H indicates hard PET liner option
EXAMPLES
Tex™ 3120 = standard 0.120-inch thick Tex™ 300 material
Tex™ 3120DC1 = 0.120-inch thick material with DC1 coating
Tex™ 3120H = 0.120-inch thick material with hard PET liner
TFLEXTM 300 TEST METHOD
Construction Filled silicone
elastomer NA
Color Light green Visual
Thermal Conductivity 1.2 W/mK ASTM D5470
Hardness (Shore 00) 40
(at 3 second delay) ASTM D2240
Density 1.78 g/cc Helium
Pyncometer
Thickness Range 0.020" - .200"
(0.5 - 5.0mm)*
Thickness Tolerance ±10%
UL Flammability Rating 94 V0 UL
Temperature Range -40ºC to 160ºC NA
Volume Resistivity 10 ^13 ohm-cm ASTM D257
Outgassing TML 0.56% ASTM E595
Outgassing CVCM 0.10% ASTM E595
Coefcient Thermal
Expansion (CTE) 600 ppm/C IPC-TM-650
2.4.24
TFLEXTM 300 TYPICAL PROPERTIES
Pressure vs Deflection (AS TM D575)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
010 20 30 40 50 60 70 80 90 100 110
320 330 340 360 380 3100
3150 3200
Pressure vs . thermal resis tance (AS TM
D5470)
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
010 20 30 40 50 60 70 80 90 100 110
Thermal
Res s itance
⁰C-
in
2
/W
320 330 340 360 380 3100 3150 3200