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Chemically Resistant adhesives

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Parker Chomerics CHO-THERM® 1671 High Power Thermally Conductive Electrical Insulator Pad
Categories: Polymer; Thermoset; Silicone

Material Notes: Description: CHO-THERM® high-power thermal insulator pads are thermally conductive materials designed for use where the highest possible thermal, dielectric, and mechanical properties are required. Fiberglass cloth reinforcement strengthens CHO-THERM® pads against tear, cut-through and punctures. These materials are available in sheet form and die-cut configurations. An optional acrylic adhesive layer (with PSA) is available on one or two sides. With a proven track record spanning several decades in multiple applications, these products are the first choice for high-end power supplies, industrial, aerospace, and military/avionics applications.

Features/Benefits: Excellent thermal properties, High dielectric strength, Excellent mechanical strength and puncture resistance, 100% inspected for dielectric properties on every sheet, PSA attachment option available, Meets RoHS specifications, and Proven through decades of use in demanding military and aerospace applications.

Typical Applications: Power conversion equipment, Power supplies and UPS, Power semiconductors, Automotive electronics, Motor and engine controllers, and Televisions and consumer electronics

Product Attributes: Economically-priced and Low thermal impedance

Information provided by Chomerics

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.55 g/ccASTM D792
Thickness 330 - 430 micronsASTM D374
Outgassing - Total Mass Loss 0.76 %TML; ASTM E595
Collected Volatile Condensable Material 0.070 %ASTM E595
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 80ASTM D2240
Tensile Strength 3000 psiASTM D412
Elongation at Break 15 %ASTM D412
Tear Strength 400 pliASTM D642
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+16 ohm-cmASTM D257
Dielectric Constant 3.67
@Frequency 1e+6 Hz
ASTM D150
Dielectric Breakdown 4000 VASTM D149
Dissipation Factor 0.0070
@Frequency 1e+6 Hz
Chomerics Test
 
Thermal PropertiesOriginal ValueComments
CTE, linear 250 µm/m-°CASTM E831
Specific Heat Capacity 1.00 J/g-°CASTM E1296
Thermal Conductivity 2.60 W/m-KASTM D5470
Maximum Service Temperature, Air 200 °C
Minimum Service Temperature, Air -40.0 °C
Flammability, UL94 HB
 
Processing PropertiesOriginal ValueComments
Shelf Life 18.0 MonthMonths for shipment, with PSA; Chomerics
 24.0 MonthMonths for shipment, Dry Pad; Chomerics
 
Descriptive Properties
CarrierFiberglass
ColorWhite

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Parker Chomerics CHO-THERM® 1677 Thermally Conductive Insulator
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PCHOME252 / 130962

Chemically Resistant adhesives

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