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Grey rectangular thermal pad 120 by 20 by 2.0 mm

Lirealar

Lirealar 120x20mm Thermal Pad 12.8 W/mK 2.0mm 15g

SKU CH-JFD8-05BBS MPN 120x20mm

Grey silicone pad measuring 120 by 20 by 2.0 millimetres conducts heat at 12.8 W/mK and insulates electrically up to 9.8 kilovolts

  • Volume / Net Weight15g
  • Thermal Conductivity12.8 W/mK,
  • Long Term Operating Temperature-40 C to +400C
  • SpecificationsColor:Gray Thermal Conductivity:12.8W/M-K Density:3.1±0.2g/c
  • FeaturesNon-Elecnical Conducive Non-Corrosive, Non-Curing & Non-Toxi

Type Thermal Pad

Model 120x20mm

Struck-through versions exist but are not stocked here.

Specification 2.0mm

Show 1 more configurations
  • High 12.8 W/mK conductivity moves heat fast
  • Withstands -40 °C to 200 °C continuous operation
  • Non-conductive silicone insulates components electrically
  • Soft 30-55 Shore C pads fill uneven gaps
  • 120 x 20 x 2.0 mm sheet weighs 15 g

Silicone Thermal Pad 12.8 W/mK

This silicone thermal pad provides a 12.8 W/mK conductivity rating for transferring heat between components and heatsinks. It measures 120 by 20 by 2.0 mm and weighs 15 g. The grey pad is non-conductive, non-corrosive and non-curing. It suits laptops, GPUs, CPUs and LED coolers.

Practical Limits of Thermal Interface

The material operates continuously from minus 40 °C to plus 200 °C, with a long-term rating up to 400 °C. Breakdown voltage exceeds 9.8 kV at 1 mm thickness. Density is 3.1 ± 0.2 g/cc and hardness ranges from 30 to 55 on the Shore C scale. Performance depends on full surface contact and correct thickness matching.

Installation and Common Issues

Natural viscosity lets the pad adhere during assembly and allows repositioning or reuse. Cut the single sheet to the exact component footprint before placement. Common problems include trapping air bubbles, leaving gaps on uneven surfaces or selecting the wrong thickness for the stack height. Ensure mating surfaces are clean and flat.

Highlights

  • High 12.8 W/mK conductivity moves heat fast
  • Withstands -40 °C to 200 °C continuous operation
  • Non-conductive silicone insulates components electrically
  • Soft 30-55 Shore C pads fill uneven gaps
  • 120 x 20 x 2.0 mm sheet weighs 15 g

Specifications

SeriesThermal Pad
Model120x20x2.0mm
Volume / Net Weight15g
Thermal Conductivity12.8 W/mK,
Long Term Operating Temperature-40 C to +400C
SpecificationsColor:Gray Thermal Conductivity:12.8W/M-K Density:3.1±0.2g/cc Hardness:30-55(Sc) Breakdown Voltage:>9.8KV(1mm) Temperature Range:-40°C~200°C
FeaturesNon-Elecnical Conducive Non-Corrosive, Non-Curing & Non-Toxi One Pad , multi-purpose, durable,insulated, non-conductive lnsulation does not conduct electricity and is safe for use Natural viscosity, easy to assemble and reusable

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Should I choose the 120x20x2.0mm pad or a different thickness for my GPU?

The pad measures 120x20mm and is 2.0mm thick; select this size only if the gap between your GPU die and heatsink matches that height.

What does 12.8 W/mK mean for my laptop temperatures?

A conductivity of 12.8 W/mK moves heat from the die to the heatsink far faster than standard pads, lowering junction temperatures under load.

Is the pad electrically safe on exposed PCB components?

Yes — breakdown voltage exceeds 9.8KV at 1mm and the material is non-conductive, so it insulates nearby components while transferring heat.

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