Potting Compounds

Potting compounds are a general-purpose types of sealant that can offer environmental, mechanical and physical protection to circuit boards and electronic assemblies. Used in electronics, potting is a process of filling a complete electronic assembly with a solid or gelatinous compound. The potting compound, once applied, cured and hardened encases your electronics in a solid mass providing a barrier which provides protection from moisture, vibration, thermal or physical shock and general contamination. The mechanical protection enables the components to maintain high performance under extreme conditions. Thermosetting plastics or silicone rubber gels are often used.

Types of compounds

Epoxy Potting Compounds - Epoxy potting compounds generally perform as a better adhesive, high temperature resistance, and chemical resistance. Epoxy systems have better adhesion to a wide variety of substrates and typically do not need primers. They are easy to use and are predictable. They have good high temperature resistance up to 400°F.

Urethane Potting Compounds - Urethane potting compounds generally have better flexibility, elongation, and abrasion resistance. Since they can have Tg below -40°C they are an excellent selection for SMT PC board potting. Their gel time can be easily changed with an accelerator without changing the properties.

Silicone Potting Compounds - Silicone potting compounds and encapsulating materials are also soft, flexible, and have better elongation. Silicone materials also provide the widest operating temperatures. Specially formulated silicone potting compounds can operate at below -100°C and most silicone materials can handle 200°C temperatures.

Acrylic Potting Compounds - Acrylic potting compounds are UV and heat hardening materials. They benefit from very fast hardening, adequate chemical resistance and are clear in appearance.

Applications of Potting Compounds

Potting compounds are used in a range of applications such as;

  • Military
  • Industrial
  • Automotive industry
  • PCB's
  • Coils

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Omschrijving Prijs Trade Name Product Material Package Type Package Size Special Properties Cure Time Hardness Thermal Conductivity Colour Maximum Operating Temperature Minimum Operating Temperature Chemical Composition Dielectric Strength Odour
RS-stocknr. 915-9732
FabrikantnummerScotchcast 8882 Easy dispenser 250
Fabrikant3M
€ 34,10
Each
Aantal stuks
Scotchcast 8882, Scotchcast 8882, Scotchcast 8882 - - - - - - - - - - - - -
RS-stocknr. 448-0236
Fabrikantnummer740010360
FabrikantAcc Silicones
€ 22,98
Each
Aantal stuks
AS1621 Silicone Cartridge 310 ml - 24 h 24 Shore A 0.2W/mK White +230°C -50°C - - -
RS-stocknr. 458-765
FabrikantnummerQSIL 216
FabrikantAcc Silicones
€ 82,18
Each
Aantal stuks
QSil 216 Silicone Dual Cartridge 250 g Low Flammability 20 h 40 Shore A 0.18W/mK Transparent +204°C -60°C - - -
RS-stocknr. 121-3880
FabrikantnummerKELVIN
FabrikantRaytech
€ 9,49
1 Set
Set(s)
- - Blister 45 x 45 x 30 mm - - - - Transparent +90°C - - - -
RS-stocknr. 703-1238
Fabrikantnummer100210-mag
FabrikantRaytech
€ 31,60
Each
Aantal stuks
- Plastic Dual Cartridge 210 g Reenterable - - - Blue - - - >20kV/mm -
RS-stocknr. 166-844
FabrikantnummerUR5097RP250G
FabrikantElectrolube
€ 23,88
Each
Aantal stuks
UR5097 PUR Pack 250 g Encapsulating Compound, Flame Retardant, Thermal Conductivity 24 h 85 Shore A 0.65W/mK Black +110°C -40°C - - -
RS-stocknr. 915-9722
FabrikantnummerRe-enterable Scotchcast Resin 8882 385ml
Fabrikant3M
€ 34,79
Each
Aantal stuks
Scotchcast 8882, Scotchcast 8882, Scotchcast 8882 - - - - - - - - - - - - -
RS-stocknr. 164-321
FabrikantnummerER1450RP250G
FabrikantElectrolube
€ 20,35
Each
Aantal stuks
ER1450 Epoxy Pack 250 g Water Resistance 2 h 70 Shore A - White +150°C -50°C - - -
RS-stocknr. 915-9729
FabrikantnummerRe-enterable Scotchcast Resin 8882 90ml
Fabrikant3M
€ 25,81
Each
Aantal stuks
Scotchcast 8882 - - - - - - - Transparent - - - - -
RS-stocknr. 283-460
FabrikantnummerQSIL-553
FabrikantAcc Silicones
€ 64,75
Each
Aantal stuks
QSil 553 Silicone Dual Cartridge 250 g Thermal Conductivity 24 h 32 Shore A 0.68W/mK Grey +260°C -55°C - - -
RS-stocknr. 164-292
FabrikantElectrolube
€ 22,43
Each
Aantal stuks
UR5044 PUR Pack 250 g Reenterable 24 h 40 Shore A, 60 Shore A, 80 Shore A 0.25W/mK Blue +120°C -70°C - - -
RS-stocknr. 915-9710
FabrikantnummerResin bag Scotchcast 40 426 g
Fabrikant3M
€ 75,57
Each
Aantal stuks
Scotchcast 40, Scotchcast 40, Scotchcast 40 - - - - - - - - - - - - -
RS-stocknr. 160-8481
FabrikantnummerUR5041RP250G
FabrikantElectrolube
€ 22,54
Each
Aantal stuks
UR5041 PUR Pack 250 g Oxidation Resistance 24 h 85 Shore A - Black +125°C -60°C - - -
RS-stocknr. 725-9997
FabrikantnummerER2218RP250G
FabrikantElectrolube
€ 18,48
Each
Aantal stuks
ER2218 Epoxy Pack 250 g Flame Retardant 24 h 55 Shore D, 90 Shore A 0.28W/mK Black +150°C -50°C - - -
RS-stocknr. 160-8497
FabrikantnummerUR5528RP250
FabrikantElectrolube
€ 25,07
Each
Aantal stuks
UR5528, UR5528, UR5528 PUR Pack 250 g - 24 h 57 Shore D 0.245W/mK Black +125°C -50°C - - -
RS-stocknr. 121-3879
FabrikantnummerWATT
FabrikantRaytech
€ 10,48
1 Set
Set(s)
- - Blister 30 x 38 x 26 mm - - - - Transparent +90°C - - - -
RS-stocknr. 915-9716
FabrikantnummerResin bag Scotchcast 40 230 g
Fabrikant3M
€ 40,30
Each
Aantal stuks
Scotchcast 40, Scotchcast 40, Scotchcast 40 - - - - - - - - - - - - -
RS-stocknr. 121-3883
FabrikantnummerWATTMP
FabrikantRaytech
€ 98,62
1 Set
Set(s)
- - Pack 30 x 38 x26 mm - - - - Transparent +90°C - - - -
RS-stocknr. 192-7569
Fabrikantnummer9510-30ML
FabrikantMG Chemical
€ 27,46
Each
Aantal stuks
- Epoxy Cartridge 30 ml - 1 h @ 90 °C, 3 h @ 80 °C, 30 min @ 120 °C 84 Shore D 0.3W/mK Black +150°C -65°C - 15.8kV/mm -
RS-stocknr. 458-800
FabrikantnummerUR5083RP250G
FabrikantElectrolube
€ 30,16
Each
Aantal stuks
UR5083 PUR Pack 250 g Water Resistance 48 → 72 h - - Translucent +100°C -60°C - - -