TekNational, Inc.
Tek-Sil® SU Materials
EXCELLENT PERFORMANCE
  • Versatile sheets make reliable and complete physical contact.
  • Can be die cut.
  • Flame retardancy UL specification 94V-0.

Tek-Sil® SU is an improved formulation of silicone and alumina fillers which offers a low cost solution to many heat problems.  Thermal conductivity is measured close to that of our best performing Tek-Sil® SB-08.  Tek-Sil® SU is not reinforced with fiberglass, PSA is not available.  Teknational die cuts "SU" in many standard sizes.  This material is also sold in roll form 3.33" (85mm) wide.  Tek-Sil® SU materials are highly conformable and thermally conductive.

Tek-Sil® SU Materials
PropertiesUnitSU-12SU-18SU-33
ColorvisualGrayGrayGray
Thicknessinches0.012 +/-0.005.018 +/-0.005.033 +/-0.005
Thicknessmm0.30 +.010/-0.00.45 +/-0.050.85 +/-0.05
MaterialbinderSiliconeSiliconeSilicone
MaterialfillerAluminaAluminaAlumina
Materialreinforcementn/an/an/a
Thermal Resist.°Cin²/W0.260.350.56
Thermal Resist. w/PSA(1)°Cin²/Wn/an/an/a
Specific Gravityg/cm³2.572.572.57
Hardness (ASTM D2240)Type A797979
Tensile StrengthkN/m0.91.22.2
Elongation%110110110
Tear StrengthkN/m0.30.40.7
Volume ResistivityMohm-m1.0x1071.0x1071.0x107
Withstand VoltagekV/minute6811
Dielectric Constant1KHz4.34.65.3
Maximum Use Temp.°C-60°C to +180°C-60°C to +180°C-60°C to +180°C
Adhesive Coating-n/an/an/a

(1) FTM P-3010 (ASTM D5470 Equivalent)