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Chemically Resistant adhesives

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Parker Chomerics THERMATTACH® T418 Thermally Conductive Attachment Tape
Categories: Polymer; Tape

Material Notes: Description: THERMATTACH® double-sided thermal interface tapes provide exceptional bonding properties between electronic components and heat sinks, eliminating and need for mechanical fasteners. THERMATTACH® tapes are proven to offer excellent reliability when exposed to thermal, mechanical, and environmental conditioning.

Features/Benefits: Offered in various forms to provide thermal, dielectric, and flame retardant properties; Offered in custom die-cut configurations to suit a variety of applications; Eliminate the need for mechanical attachment (i.e. screws, clips, rivets, fasteners); Proven reliability under various mechanical, thermal, and environmental stresses; Embossed version available; Meets RoHS specifications; No curing required, unlike epoxy or acrylic performs or liquid systems and Easily reworkable

Typical Applications: Mount heat sinks to components dissipating < -25 W; Attach heat sinks to PC (esp. graphics) processors; Heat sink attachment to motor control processors and Telecommunication infrastructure components.

Product Attributes: Superior adhesive strength; Best conformability to components and Good thermal performance.

Information provided by Chomerics

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Physical PropertiesOriginal ValueComments
Thickness 225 - 275 micronsASTM D374
 
Mechanical PropertiesOriginal ValueComments
Adhesive Bond Strength 0.150 MPa400 psi attachment; 2 hour sample dwell time 25°C; Chomerics #54
 1.034 MPa
@Temperature 25.0 °C
Lap AL-Al; ASTM D1002
Peel Strength 0.0690 kN/m90°; to 0.002" aluminum foil; ASTM D1000
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+13 ohm-cmASTM D257
Dielectric Breakdown 500 V
 
Thermal PropertiesOriginal ValueComments
CTE, linear 300 µm/m-°CAdhesive; ASTM D3386
Thermal Conductivity 0.500 W/m-KASTM D5470
Maximum Service Temperature, Air 125 °C
Minimum Service Temperature, Air -30.0 °C
Glass Transition Temp, Tg -20.0 °CASTM D1356
Flammability, UL94 V-0
 
Processing PropertiesOriginal ValueComments
Shelf Life 12.0 MonthFrom date of manufacture; Chomerics
 
Descriptive Properties
CarrierFiberglass
ColorLight Yellow
Creep Adhesion125°C; PSTC-7
 15°C; PSTC-7

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PCHOME347 / 131057

Chemically Resistant adhesives

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