SILCOOL TIA225GFB-25
Momentive

SILCOOL TIA225GFB-25

Two-component black liquid-dispensed silicone thermal pad with 250 µm glass bead BLT control, 2.5 W/mK, 200 Pa·s, TI 1.4, Shore E50, UL94 V-0 equivalent — black version of TIA225GF with BLT control.

Product code: TIA225GFB-25
Package size: 20 oz SEMCO cartridge; 20 L plastic pail
Shelf Life: Store in cool dry place out of direct sunlight

RoHS Compliant

SILCOOL TIA225GFB-25 is a two-component black liquid-dispensed silicone thermal pad from Momentive with integrated 250 µm glass beads for precise bond line thickness control. Black version of TIA225GF delivering 2.5 W/mK with repeatable BLT for consistent thermal performance in high-volume production.

Features & Benefits

  • 250 µm glass beads — precise bond line thickness control for consistent thermal resistance
  • 2.5 W/mK thermal conductivity as a liquid-dispensed pre-fabricated thermal pad alternative
  • Black color enables visual inspection of dispensing coverage in production
  • Low volatile siloxane (150 ppm) for sensitive electronic environments
  • UL94 V-0 equivalent and RTI 150°C for flame-retardant electronic applications
  • Repairable — can be removed and re-applied for rework operations

Typical Applications

  • Liquid-dispensed thermal pad with controlled 250 µm BLT in automotive electronics
  • Applications requiring repeatable BLT for consistent thermal resistance
  • Gap filling in consumer and telecom electronics where BLT uniformity is critical
  • High-volume automated thermal pad deposition requiring controlled bond line thickness
Property Value Test Method / Condition
Appearance Part A/B Black / Gray Visual
Viscosity Part A/B 200 / 200 Pa·s Rheometer
Mix Ratio 100 : 100 (1:1)
Viscosity (mixed) 200 Pa·s
Thixo Index 1.4
Work Life @ 23°C 4 hrs
Cure @ 70°C 0.5 hrs
Cure @ 23°C 24 hrs
Density 2.9 g/cm³
Hardness Shore E / Shore 00 50 / 70
Thermal Conductivity 2.5 W/mK Hot wire
Thermal Resistance @ 50 µm BLT 35 mm²·K/W In-house
Tensile Strength 0.4 MPa
Elongation 70%
Volume Resistivity 1.5×10⁶ MΩ·m
Dielectric Strength 20 kV/mm
Glass Beads (BLT control) 250 µm
Low Volatile Siloxane 150 ppm
Flame Retardancy UL94 V-0 equivalent
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Technical Data Sheet
SILCOOL-TIA225GFB-25.pdf
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