Products

DOWSIL™ TC-6032 Thermally Conductive Encapsulant

  • Technology: Thermally Conductive Encapsulant
  • Brand Name: DOWSIL™ TC-6032
  • Manufacturer: Dow
  • Package Size: 20 L pail (For other sizes, contact Avantek for details)
  • Shelf Life: Contact Avantek for details

1. Product Overview

DOWSIL™ TC-6032 Thermally Conductive Encapsulant is a two-part, 1:1 mix ratio, flowable silicone elastomer with thermal conductivity designed for electronic component encapsulation. It provides heat dissipation, self-leveling properties, and a versatile heat cure process, forming a thermally conductive rubber upon curing.

2. Applications

  • On-board chargers
  • Inverters/converters
  • Transformers
  • Other electronic and electric components requiring thermal management

3. Typical Properties

Before Mixing (Individual Components)

Property Unit Part A Part B
Color White Blue
Viscosity mPa·s 8,000 4,000
Specific Gravity 2.73 2.73

After Mixing & Curing

Property Unit Result
Mixing Ratio (by weight) 1:1
Mixed Viscosity mPa·s 6,500
Pot Life (Working Time at 25°C) Hours 4
Cure Time at 80°C Minutes 60
Cure Time at 100°C Minutes 30
Cure Time at 120°C Minutes 20
Hardness (Shore A) 34
Thermal Conductivity W/m·K 3.2
Tensile Strength MPa 0.5
Elongation at Break % 45
Shear Modulus (25°C) MPa 1.55
Dielectric Strength kV/mm 18
Volume Resistivity Ohm·cm 1.3 × 10¹⁴
Dielectric Constant (100 Hz) 3.22
Dielectric Constant (100 kHz) 3.66
Dissipation Factor (100 Hz) 0.0029
Dissipation Factor (100 kHz) 0.0023
Coefficient of Thermal Expansion (CTE) ppm/K 80
Volatile Siloxane Content (D4-D10) ppm < 100
Adhesion Strength on Al (80°C / 60 min) MPa 0.38
Adhesion Strength on Al (100°C / 30 min) MPa 0.38
Adhesion Strength on Al (120°C / 20 min) MPa 0.44
Flammability Rating (UL 94) V-0

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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