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MG Chemicals 8329TCS - Thermal Adhesive, High TC

8329TCS is a 2-part, heat-cure, thermally conductive epoxy adhesive with a 4-hour working time. It is a dark gray, smooth, thixotropic paste that cures to form a hard, durable polymer that is thermally conductive, yet electrically insulating. This thermal adhesive is used to glue heat sinks to LEDs, CPUs and other heat-generating components. 8329TCS has been designed for maximum thermal conductivity. It is highly viscous and must be mixed by hand prior to application. For a lower viscosity, use 8329TFS. For a shorter working time, use 8329TCM.

Properties

Physical Form
Solid

Product families

Applications

Applications
  • Consumer Goods — Appliances & Electronics
Automotive & Transportation — Automotive
  • Automotive Lighting
Industrial — Chemical & Industrial Manufacturing
  • Equipment & Parts
Electrical & Electronics — Devices & Assemblies
  • Consumer Electronics
  • Displays
Electrical & Electronics — Packaging & Assembly
  • Adhesives & Sealants
Electrical & Electronics — Parts & Components
  • Batteries
  • Semiconductor Manufacturing
Industrial — Power, Water & Utilities
  • Power & Utilities

Product Families

Ready-to-Use Products — Adhesives & Sealants
  • Conductive Adhesives

Other characteristics

Cure Method
Air Dry, Heat Cure
Product Type
  • 2K (2 component) Adhesive, Conductive Adhesive
  • 2K (2 component) Adhesive
  • Conductive Adhesive
Application Area

Automotive Lighting, Battery Packs, Electrical Components, Heat Sink, Heat Spreader, LEDs, Power Transformers, Semiconductors; Automotive Lighting; Battery Packs; Electrical Components; Heat Sink; Heat Spreader; LEDs; Power Transformers; Semiconductors

Markets
  • Automotive & Transportation
  • Consumer Goods
  • Electrical & Electronics
  • Industrial
Shelf LIfe
3 Years
Cure

Air Dry; Heat Cure; This product cures only at an elevated temperature, as per one of these time/temperature options:

Technology
Ready-to-Use Products
Key Attributes

High thermal conductivity; 1:1 mix ratio; Provides strong electrical insulation; High tensile strength; Bonds well to a wide variety of substances; Strong resistance to humidity, salt water, mild bases, and aliphatic hydrocarbons

Packaging Type
Cartridges
Chemical Inventories
TSCA (USA)
Storage and Handling

Store between 16 and 27 ˚C in a dry area, away from sunlight (see SDS). To maximize shelf life, recap product firmly when not in use.

Recommended Preparation

Clean the substrate with Isopropyl Alcohol, MG #824, so the surface is free of oils, dust, and other residues; Syringe; Can or Jar

Certifications and Compliance

Clean Air Act (CAA) Certified; ISO 9001; RoHS 3 Compliant; RoHS Compliant; Waste Electrical & Electronic Equipment Directive (WEEE)

Ready to Use Product Features
  • Chemical Resistant
  • Excellent Substrate Adhesion
  • Good Electrical Properties
  • Good Smoothness
  • Good Thermal Conductivity
  • High Tensile Strength
  • Humidity Resistant
  • Salt Water/Spray Resistant

Technical data

Table 1 of 4

1 row
CharacteristicValueUnit
Thermal Conductivity (at 25 ˚C)1.4W/(m·K)

Table 2 of 4

2 rows
CharacteristicValueUnit
Viscosity (at 25 ˚C)ᴬ970Pa·s
Viscosity (at 25 ˚C)ᴮ2000Pa·s

Table 3 of 4

10 rows
CharacteristicValueUnit
Resistivity2 x 10¹³Ω·cm
Hardness Shore D62—
Tensile Strength11N/mm2
Compressive Strength43N/mm2
Lap Shear (Stainless steel)4.7N/mm2
Lap Shear (Aluminum)4.4N/mm2
Glass Transition Temperature (Tg)8.8˚C
CTE Prior Tg36ppm/˚C
CTE After Tg173ppm/˚C
Service Temperature Range-40 to 150˚C

Table 4 of 4

1 row
CharacteristicValueUnit
Mixed Density2.27g/mL

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