Thermal Bonding

Thermally Conductive Adhesives

TCA and TSA Series Silicone Thermally Conductive Adhesives

TCA and TSA Series Silicone Thermally Conductive Adhesives

Zhenmorntek thermally conductive adhesives combine high bond strength with excellent thermal performance, and can replace fasteners and clips for a simpler, more efficient assembly process.

Standard Products

One-Component Silicone Thermally Conductive Adhesives TCA 01010 TCA 01510 TCA 02020 TCA 02510 TCA 03010 Test Method
Before Curing / Curing Properties
Color White White Gray White White Visual
Extrusion Rate (g) 35 30 32 25 20 NA
Working Time @25 °C 2H 2H 2H 2H 2H ASTM D2240
Cure Time @25 °C 24H 24H 24H 24H 24H ASTM D2240
Cure Time @100 °C 30min 30min 30min 30min 30min ASTM D2240
Basic Properties After Curing
Density (g/cm³) 2.9 3.0 3.0 3.2 3.2 ASTM D792
Hardness (Shore A) 50 50 70 70 70 ASTM D2240
Shear Strength (MPa) >2.5 >2.5 >2.5 >2.5 >2.5 ASTM D792
Operating Temperature Range (°C) -50~+150 -50~+150 -50~+150 -50~+150 -50~+150 NA
Thermal / Electrical / Flame Retardancy
Thermal Conductivity (W/m·K) 1.0 1.5 2.0 2.5 3.0 ASTM D5470
Dielectric Strength >10 >10 >10 >10 >10 ASTM D149
Volume Resistivity >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ ASTM D150
Relative Permittivity >5 >5 >5 >5 >5 ASTM D257
Flame Rating V-0 V-0 V-0 V-0 V-0 UL 94
Two-Component Silicone Thermally Conductive Adhesives TSA 01010 TSA 01510 TSA 02010 TSA 02510 TSA 03010 Test Method
Basic Properties Before Curing
Color White White Gray White White Visual
Mixed Viscosity (mPa·s) 5,000 6,500 9,500 12,000 15,000 ASTM D2196
Curing Properties
Mix Ratio 1:1 1:1 1:1 1:1 1:1 NA
Working Time @25 °C 2H 2H 2H 2H 2H ASTM D2240
Cure Time @25 °C 24H 24H 24H 24H 24H ASTM D2240
Cure Time @100 °C 30min 30min 30min 30min 30min ASTM D2240
Basic Properties After Curing
Density (g/cm³) ASTM D792
Hardness (Shore 00) 50 50 60 70 90 ASTM D2240
Shear Strength (MPa) >2.5 >2.5 >2.5 >2.5 >2.5 ASTM D792
Operating Temperature Range (°C) -50~+150 -50~+150 -50~+150 -50~+150 -50~+150 NA
Thermal Properties
Thermal Conductivity (W/m·K) 1.0 1.5 2.0 2.5 3.0 ASTM D5470
Electrical Properties / Flame Retardancy
Dielectric Strength >10 >10 >10 >10 >10 ASTM D149
Volume Resistivity >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ >1.0×10¹³ ASTM D150
Relative Permittivity >5 >5 >5 >5 >5 ASTM D257
Flame Rating V-0 V-0 V-0 V-0 V-0 UL 94

Custom Development

High-Performance Silicone Thermally Conductive Adhesives
TCA 03510HP

High-Performance Silicone Thermally Conductive Adhesives

  • Efficient thermal conduction that lowers temperature rise and keeps equipment running reliably
  • Strong bonding that simplifies structures and reduces weight
  • Low volatility, with very few by-products during curing, greatly reducing the risk of contaminating precision circuits
Color White
Thermal Conductivity (W/m·K) 3.5
Viscosity (cps) 100,000
Recommended Operating Temperature (°C) -50~+175
Flame Rating V-0

Storage and Use

  • Store at normal temperature and humidity
  • Shelf life: 6 months

Packaging

  • Syringe: 15 CC, 30 CC
  • Pail: 1 kg, 5 kg, 20 kg