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Thermally Conductive Silicone Potting Compound

Thermally Conductive Silicone Potting Compound ZLA-4102

Thermally Conductive Silicone Potting Compound ZLA-4102 (illustration: pail)

ZLA-4102 is a two-component silicone potting compound with a thermal conductivity of 0.5 W/m·K. It is the lightest grade of the range at 1.5 g/cm³ mixed, and its low viscosity lets it run into tight spaces around components.

Mixed 1:1, it cures at room temperature or with heat into a Shore A 55 silicone rubber that bonds to what it covers, seals it in and draws heat away.

Choose it when sealing and insulation come first and only modest heat has to be removed.

The full technical data sheet for ZLA-4102 is available on request. Request the data sheet

Product specifications

Colour
A: White; B: Black
Mix ratio (A:B)
1:1
Viscosity (mPa·s)
A: 1800; B: 2000
25 °C
Density, mixed (g/cm³)
1.5±0.1
Test method: ASTM D792
Pot life (min)
>30
Hardness (Shore A)
55±5
Test method: ASTM D2240
Thermal conductivity (W/m·K)
0.5±0.05
Test method: ASTM D5470
Volume resistivity (Ω·cm)
>10¹²
Test method: ASTM D257
Dielectric strength (kV/mm)
≥10
Test method: ASTM D149
Flammability
V-0
Test method: UL 94
Service temperature (°C)
-50 to 200

Typical values, not for specification, measured at 23 ± 2 °C and 50 ± 5 % RH. Confirm critical properties on your own parts before production.

Features

  • 0.5 W/m·K thermal conductivity at the lowest density of the range
  • 1:1 mix; cures at room temperature or with heat
  • Bonds to the parts it encloses, so one pour seals, fixes and cools
  • Insulating: volume resistivity above 10¹² Ω·cm, dielectric strength 10 kV/mm or more
  • Rated V-0 to UL 94; service from -50 to 200 °C; RoHS compliant

Product applications

  • Circuit boards that mainly need sealing and insulation
  • Low-power supply modules
  • Automotive electronic modules
  • Junction boxes

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ZLA-4102 Thermally Conductive Silicone Potting Compound

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