DATASHEET
SOFTFLEX GAP FILLER
USA: 1.855.322.2843 SoftFlex Gap Filler
EUROPE: 39.051.764002 www.aavid.com
ASIA: 86.21.6115.2000 x8122 July 2015 A01
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Product Name
SoftFlex
A014
SoftFlex
B016
SoftFlex
C022
SoftFlex
D021
SoftFlex
E038
Thermal Properties
Thermal Conductivity (W/mK)
1.4
1.6
2.2
2.1
3.8
Operating Temp. Range (°C)
-40° - 150°
-40° - 150°
-40° - 150°
-40° - 150°
-40° - 150°
Thermal Resistance at 10psi (at % Strain) 2
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%)
Mechanical Properties
Color
Blue/ Grey
Dark Grey/ Black
Pink/ Grey
Pink/ Light Pink
Grey/ Dark Grey
Adhesion
Single-Sided
Single-Sided
Single-Sided
Single-Sided
Double-Sided
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
Density (g/cm3)
1.8
2.0
2.9
2.9
3.1
Tensile Strength (kPa)
15
15
22
13
-
Thickness Availability (mm)
1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
1, 2 or 3mm
Electrical Properties
Volume Resistivity (Ω-m)
≥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
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
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.
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.
FEATURES:
- 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
1 Measurement is for 1mm thickness, information on additional thicknesses is available on request.
2Strain 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).
