TekNational, Inc.

TEK-SIL Materials

 

See Links Below
  • Thermal conductive insulators for semiconductors
  • Compression jointing materials for thermistors and temperature sensors
  • Thermal conductive material for all types of heaters
Thermal Conductivity Conversion Table
Thermal ConductivityBTU-in/hrft²FCal/cm • ºC • secWatt/m-K
BTU-in/hrft²F13.4x1040.14
Cal/cm • ºC • sec2.9x10³14.2x102
Watt/m-K6.92.4x10e³1

Formulations/Configurations

A variety of specific compounds are available for a wide range of performance requirements in Sheets, Rolls, Die-cuts, Gel, Extrusions or Moldings

Tek-Sil® TypeApplication GuidelinesTypical Thermal Conductivity
Cal/cm·sec·°CW/m-K
Tek-Sil®SCTGeneral purpose for moldings and extrusions2.9x10³1.2
Tek-Sil®SCHHigh heat conductivity4.1x10³1.7
Tek-Sil®SRGeneral purpose extrusion with .05mm glass cloth reinforcement2.2x10³0.9
Tek-Sil®SHHigh heat conductivity with .05mm glass cloth reinforcement3.4x10³1.4
Tek-Sil®SBHighest heat conductivity with .05mm glass cloth reinforcement7.0x10³2.9
Tek-Sil®SUVery high heat conductivity6.2x10³2.6
Tek-Sil®SQLow hardness with high heat conductivity2.6x10³1.1
MicaShown for comparison purposes only1.4x10³0.59
PolyesterShown for comparison purposes only.34x10³0.14
Test PropertiesTek-Sil® SCTTek-Sil® SCH
ColorGreenish GrayBrown
Hardness (ASTM D2240, type A)7585
PhysicalTensile Strength (Mpa)5.44.9
Elongation (%)10060
Tear Strength (KN/m) (angle, non-slit)97
Change in Hardness (point)3 days10 days20 days3 days10 days20 days
+/-0.0+/-5+9+1+1+3
Heat AgingChange in Tensile Strength (%)+/-0.0+/-0.0+6-12-12-12
(aging test by heating)Change in Elongation (%)-16-26-34-18-24-35
in air, to 200°CVolume Resistivity (Mohm-m)1.0X1071.0X107
Dielectric Breakdown Strength (kV/mm)2019
ElectricalDielectric Constant50Hz10³ HZ106 Hz50Hz10³ HZ106 Hz
4.94.94.95.75.44.9
Dielectric Dissipation Factor0.0020.0010.0020.0040.0020.002
ThermalThermal Conductivity (W/m-K)1.21.7
Flame Retardant (UL94)V-0V-0
Test PropertiesTek-Sil® SUTek-Sil® SQ
ColorGrayBlack
Hardness (ASTM D2240, type A)7955
PhysicalTensile Strength (Mpa)2.52.3
Elongation (%)110250
Tear Strength (KN/m) (angle, non-slit)813
Change in Hardness (point)3 days10 days20 days3 days10 days20 days
+8+11+15+/-0.0+1+5
Heat AgingChange in Tensile Strength (%)+19+42+62+/-0.0+14+24
(aging test by heatingChange in Elongation (%)-46-49-49-7-15-27
in air, to 200°CVolume Resistivity (Mohm-m)1.0X1071.0X107
Dielectric Breakdown Strength (kV/mm)1722
ElectricalDielectric Constant50Hz10³ HZ106 Hz50Hz10³ HZ106 Hz
5.345.325.334.674.614.62
Dielectric Dissipation Factor0.00260.00140.0010.00310.00150.0008
ThermalThermal Conductivity (W/m-K)2.61.1
Flame Retardant (UL94)V-0V-0
ThicknessPlant
WidthPlant
LengthPlant
Thermal ResistanceFTM P-3020 (ASTM D5470 equivalent)
ColorPlant
Thermal ConductivityFTM P-1620 (ASTM D2326 equivalent)
Volume ResistivityASTM D257
Withstand VoltageASTM D149
Specific GravityASTM D792
HardnessASTM D2240
ElongationASTM D412
CompressionPlant
Continuous UsePlant