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Master Bond adhesives

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Parker Chomerics CHO-THERM® T444 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: Superior dielectric strength (wet and dry), Economically priced, Excellent for outdoor, high-humidity power supplies, PSA version available in economical kiss-cut format on continuous rolls.

Information provided by Chomerics

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.70 g/ccASTM D792
Thickness 67.0 - 93.0 micronsASTM D374
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 90ASTM D2240
Tensile Strength 3000 psiASTM D412
Tear Strength 150 pliASTM D642
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cmDry; ASTM D257
Dielectric Breakdown 5000 VDry; ASTM D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear 400 µm/m-°CASTM E831
Specific Heat Capacity 1.00 J/g-°CASTM E1296
Thermal Conductivity 0.400 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, Dry Pad; Chomerics
 12.0 MonthMonths for shipment, with PSA; Chomerics
 
Descriptive Properties
CarrierKempton® MT
ColorBeige

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PCHOME244 / 130954

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