Item # T441/TH 0.46, CHO-THERM® - Comercial Grade Thermally Conductive Electrical Insulator Pads On Robert McKeown Co., Inc.

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 fiberglass reinforcement to protect pads against tear, cut-through and punctures.

Features/Benefits

Good thermal properties

Good to excellent

Unit of Measure

Specifications

Test Method Color	N/A Visual
Color	N/A Pink
Test metod Carrier	N/A Visual
Reinforcement Carrier	N/A Fiberglass
Test Method Thicknesses	N/A ASTM D374
Thickness	N/A 0.46 mm0.018 in
Thickness Tolerance	N/A ± 0.025 mm± 0.001 in
Test Method Specific Gravity	N/A ASTM D792
Specific Gravity	N/A 2.45
Test Method Hardness	N/A ASTM D2240
Hardness, Shore A	N/A 80
Operating Temperature Range	N/A –40 to 200 ºC–40 to 392 ºF
Test Method Thermal Impedance	N/A ASTM D5470
Thermal Impedance	N/A 4.1 ºC-cm²/W0.64 ºC-in²/W
Test Method Apparen Thermal Conductivity	N/A ASTM D5470
Apparen Thermal Conductivity	N/A 1.1 W/m·K
Test Method Heat Capacity	N/A ASTM E1269
Heat Capacity	N/A 1.0 J/g-ºC
Test Method Coefficient of Thermal Expansion	N/A ASTM E831
Coefficient of Thermal Expansion	N/A 300 ppm/ºC
Test Method Volume Resistivity Dry	N/A ASTM D257
Volume Resistivity Dry	N/A 10¹⁴ O/cm
Test Method Volume Resistivity Wet	N/A ASTM D257
Volume Resistivity Wet	N/A 10¹⁴ O/cm
Test Method Voltage Breakdown Dry	N/A ASTM D149
Voltage Breakdown Dry	N/A 13800 Vac
Test Method Voltage Breakdown Wet	N/A ASTM D149
Voltage Breakdown Wet	N/A 12900 Vac
Test Method Tensile Strength	N/A ASTM D412
Tensile Strength	N/A 13.8 MPa2000 psi
Test Method Tear Strength	N/A ASTM D642
Tear Strength	N/A 12.25 kN/m70 lb/in
Test Method Elongation	N/A ASTM D412
Elongation	N/A 40 %
Test Method Flammability Rating	N/A UL 94
Flammability Rating	N/A V-0
Test Method RoHS Compliant	N/A Chomeric Certification
RoHS Compliant	N/A Yes
Test Method Outgassing	N/A ASTM E595
Outgassing TML	N/A Not tested
Outgassing CVCM	N/A Not tested
Test Method Shelf Life	N/A Chomerics
Shelf Life, Months from Dry Pad	N/A 24
Shelf Life, Months from Dry Pad with PSA	N/A 12

Specifications

Test Method Color

Color

Test metod Carrier

Reinforcement Carrier

Test Method Thicknesses

Thickness

Thickness Tolerance

Test Method Specific Gravity

Specific Gravity

Test Method Hardness

Hardness, Shore A

Operating Temperature Range

Test Method Thermal Impedance

Thermal Impedance

Test Method Apparen Thermal Conductivity

Apparen Thermal Conductivity

Test Method Heat Capacity

Heat Capacity

Test Method Coefficient of Thermal Expansion

Coefficient of Thermal Expansion

Test Method Volume Resistivity Dry

Volume Resistivity Dry

Test Method Volume Resistivity Wet

Volume Resistivity Wet

Test Method Voltage Breakdown Dry

Voltage Breakdown Dry

Test Method Voltage Breakdown Wet

Voltage Breakdown Wet

Test Method Tensile Strength

Tensile Strength

Test Method Tear Strength

Tear Strength

Test Method Elongation

Elongation

Test Method Flammability Rating

Flammability Rating

Test Method RoHS Compliant

RoHS Compliant

Test Method Outgassing

Outgassing TML

Outgassing CVCM

Test Method Shelf Life

Shelf Life, Months from Dry Pad

Shelf Life, Months from Dry Pad with PSA