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SOFTFLEX GAP FILLER0 pages
DATASHEET
SOFTFLEX GAP FILLER
LIGHT FLEXIBLE THERMAL GAP FILLING PADS
The Aavid SoftFlex series is our most flexible and diverse line of thermal conductive pads.
The compressibility and adhesion features enable a dramatic reduction in thermal
resistance when mounting. The unique flexibility of the SoftFlex base material provides
exceptional contouring and excellent cushioning performance. These defining features
ensure that SoftFlex Gap Fillers are ideal for dealing with uneven surfaces, parts with
varying heights and devices that require greater flexibility in design, all the while
reducing overall stress to the PCB and eliminating tolerances.
SIZES
FEATURES:
SoftFlex Thermal Interface Pads are available in full 400mm x 200mm sheets that Aavid
can cut and shape to suit your needs. They are also available in easy to use 25.4mm x
25.4mm (1”x 1”) and 76.2mm x 76.2mm (3”x 3”) pads for quick and simple assembly.
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PART NUMBERS
Part Numbers for Aavid Gap Pads are made up of six sections that represent the product,
thickness, adhesion and size. Instructions on how to build your part numbers are
available in the document Building an Aavid Gap Pad Part Number.
High Thermal Conductivity
Reduced Thermal Resistance
Wide Range of Hardness
Flexible, Easy Contouring
Single & Double Sided Adhesion
Decreased Strain
Puncture, Shear and Tear Resistant
SOFTFLEX PRODUCT LINE DETAILS1
Product Name
SoftFlex
A014
SoftFlex
B016
SoftFlex
C022
SoftFlex
D021
SoftFlex
E038
1.4
1.6
2.2
2.1
3.8
Thermal Properties
Thermal Conductivity (W/mK)
-40° - 150°
-40° - 150°
-40° - 150°
-40° - 150°
-40° - 150°
Thermal Resistance at 10psi (at % Strain) 2
Operating Temp. Range (°C)
6.8 (at 24%)
4.6 (at 39%)
4.0 (at 28%)
5.0 (at 19%)
2.4 (at 18%)
Thermal Resistance at 20psi (at % Strain) 2
6.0 (at 26%)
3.7 (at 43%)
3.4 (at 33%)
3.9 (at 21%)
2.0 (at 20%)
Thermal Resistance at 40psi (at % Strain) 2
5.2 (at 30%)
3.6 (at 52%)
2.9 (at 42%)
2.3 (at 25%)
1.9 (at 24%)
Blue/ Grey
Dark Grey/ Black
Pink/ Grey
Pink/ Light Pink
Grey/ Dark Grey
Single-Sided
Single-Sided
Single-Sided
Single-Sided
Double-Sided
Mechanical Properties
Color
Adhesion
Base Material
Silicone
Silicone
Silicone
Silicone
Silicone
Carrier / Reinforcement
PET Film
PET Film
PET Film
PET Film
PET Film
Hardness (ASTM D2240, Shore 00)
36
37
34
48
71
(g/cm3)
1.8
2.0
2.9
2.9
3.1
Tensile Strength (kPa)
15
15
22
13
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1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
≥1010
≥1010
≥1010
≥1010
≥1010
Breakdown Voltage (kVAC)
≥10
≥10
≥10
≥10
≥10
Flammability Rating UL94
V-0
V-0
V-1
V-1
V-0
Density
Thickness Availability (mm)
Electrical Properties
Volume Resistivity (Ω-m)
1
Measurement is for 1mm thickness, information on additional thicknesses is available on request.
is the ratio of the reduction in pad thickness to the initial thickness of the pad. Thermal resistance is measured in (°C x cm2/W).
2Strain
USA: 1.855.322.2843
EUROPE: 39.051.764002
ASIA: 86.21.6115.2000 x8122
SoftFlex Gap Filler
www.aavid.com
July 2015 A01
