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Chemically Resistant adhesives

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Parker Chomerics CHO-THERM® 1674 Commercial Grade Thermally Conductive Electrical Insulator Pad
Categories: Polymer; Thermoset; Silicone

Material Notes: Description: CHO-THERM® Commercial Grade Thermal Insulator Pads are designed for use where solid thermal and electrical properties are required at an economical price. These products are offered as dry pads, or with an optional adhesive (PSA) layer for attachment. Materials with PSA are available die-cut on continuous rolls, Versions are offered with either polyimide or fiber glass reinforcement to protect pads against tear, cut-through and punctures.

Features/Benefits: Good thermal properties, Good to excellent dielectric strength, Excellent mechanical strength and puncture resistance, Available with and without acrylic PSA, Meet RoHS specifications, Available on continuous rolls for easy peel and stick 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: Original commercial grade pad with good thermal and electrical performance, Available in economical kiss-cut format on continuous rolls (with and without PSA), and Passes NASA outgassing.

Information provided by Chomerics

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Physical PropertiesOriginal ValueComments
Specific Gravity 2.45 g/ccASTM D792
Thickness 225 - 275 micronsASTM D374
Outgassing - Total Mass Loss 0.45 %TML; ASTM E595
Collected Volatile Condensable Material 0.20 %ASTM E595
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 85ASTM D2240
Tensile Strength 1500 psiASTM D412
Elongation at Break 2.0 %ASTM D412
Tear Strength 100 pliASTM D642
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cmDry; ASTM D257
Dielectric Breakdown 2500 VDry; ASTM D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear 300 µm/m-°CASTM E831
Specific Heat Capacity 1.00 J/g-°CASTM E1296
Thermal Conductivity 1.00 W/m-KASTM D5470
Maximum Service Temperature, Air 200 °C
Minimum Service Temperature, Air -40.0 °C
Flammability, UL94 V-0
 
Processing PropertiesOriginal ValueComments
Shelf Life 12.0 MonthMonths for shipment, with PSA; Chomerics
 24.0 MonthMonths for shipment, Dry Pad; Chomerics
 
Descriptive Properties
CarrierFiberglass
ColorBlue

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Chemically Resistant adhesives

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