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Chemically Resistant adhesives

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Parker Chomerics Thermal Greases T670 High-Performance and General Duty Thermal Grease
Categories: Fluid; Lubricant; Silicone Base; Silicone, Filled Grease

Material Notes: Description: Chomerics thermal greases offer a range of performance covering the simplest to the most demanding thermal requirements. These materials are screened, stenciled or dispensed and require virtually no compressive force to conform under typical assembly pressures. The excellent surface wetting results in low interfacial resistance. T670 is offered with a very high bulk thermal conductivity of 3 W/m-K. Product offers low impedance as it will achieve a thin bondline of about 0.001 in.

Features/Benefits: Silicone based materials conduct heat between a hot component and a heat sink or enclosure; Fills interface variable tolerances in electronics assemblies and heat sink applications; Dispensable, highly conformable materials require non cure cycle, mixing or refrigeration; Thermally stable and require virtually no compressive fore to deform under typical assembly pressures; Supports high power applications requiring material with minimum bond line thickness and high conductivity and Ideal for rework and field repair situations.

Typical Applications: Mobile, desktop, server CPUs; Engine and transmission control modules; Memory modules; Power conversion equipment; Power supplies and UPS and Power semiconductors.

Information provided by Chomerics

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Physical PropertiesOriginal ValueComments
Specific Gravity 2.60 g/ccASTM D792
Viscosity 350000 cP
Outgassing - Total Mass Loss <= 0.20 %ASTM E595
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cmASTM D257
Dielectric Breakdown 150 VASTM D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear 150 µm/m-°CASTM E831
Specific Heat Capacity 1.00 J/g-°CASTM D1269
Thermal Conductivity 3.00 W/m-KASTM D5470
Maximum Service Temperature, Air 200 °C
Minimum Service Temperature, Air -50.0 °C
 
Processing PropertiesOriginal ValueComments
Shelf Life 24.0 MonthFrom date of manufacture; Chomerics
 
Descriptive Properties
ColorWhite
Weight Loss<0.2%150°C for 48 hours

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Chemically Resistant adhesives

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