Two-Component Silicones for Electrical Potting Applications

EFI Polymers offers a variety of two-part, unfilled, optically clear, addition cured silicone gel formulations with good chemical and electrical resistance. Our silicones are designed to be used to protect electrical and electronic components and assemblies against dust, moisture, chemical, vibration and other environmental exposures. Typical applications include:

  • Potting compound to keep dust, dirt, and moisture out of critical areas
  • Re-enterable material for sealing or encapsulating components requiring periodic inspection or repair
  • Reinforcing gel to minimize fatigue on connectors where vibrations are present
  • Conformal cushion to protect sensitive components from corrosion and vibration
  • Gasket in low pressure applications for sealing
  • Insulator for low and medium voltage

Formulation flexibility for silicone materials allows us to offer a variety of viscosities, gel times, hardness, color, and other options, while maintaining silicone’s natural flame-resistant properties. Additionally, silicones offer a wide range of operating temperatures, from -100 to 250C.

Contact EFI Polymers today for more information on how silicones can be used in your application.

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System ID Appearance Viscosity (cps) Work Time Tack-Free Time Gel Appearance Shore A Penetration Shear Modulus (Pa) Elongation Tack (gm) Pull Back (rebound) Operating Temperature Dielectric Constant Dissipation Factor Volume Resistivity Dielectric Strength
7006 A/B
Clear
9,775
30 min
120 min
Tough Rubber
16
0
1.80E+05
High
No Tack
No
-100C to 250C
2.8 (100-100KHz)
0.002/0.0001 (100/100KHz)
1x10^15 Ohm-cm
>400 V/mil
7005 A/B
Clear
552
30 min
120 min
Hard Gel
11
0
1.50E+05
Low
No Tack
No
-100C to 250C
2.8 (100-100KHz)
0.002/0.0001 (100/100KHz)
1x10^15 Ohm-cm
>400 V/mil
7003 A/B
Clear
849
30 min
120 min
Med. Gel
0
7
23
Low
150
No
-100C to 250C
2.8 (100-100KHz)
0.002/0.0001 (100/100KHz)
1x10^15 Ohm-cm
>400 V/mil
7002 A/B
Clear
564
30 min
120 min
Soft Gel
0
12
46
Medium
205
Yes
-100C to 250C
2.8 (100-100KHz)
0.002/0.0001 (100/100KHz)
1x10^15 Ohm-cm
>400 V/mil
7000 A/B
Clear
1,676
30 min
120 min
Soft Gel
0
13
3.70E+03
Very High
310
Yes
-100C to 250C
2.8 (100-100KHz)
0.002/0.0001 (100/100KHz)
1x10^15 Ohm-cm
>400 V/mil
System ID Appearance Viscosity (cps) Work Time Tack-Free Time
7006 A/B
Clear
9,775
30 min
120 min
7005 A/B
Clear
552
30 min
120 min
7003 A/B
Clear
849
30 min
120 min
7002 A/B
Clear
564
30 min
120 min
7000 A/B
Clear
1,676
30 min
120 min