Potting Compounds

What is it?
Used in electronics potting is a process off filling a complete assembly with a solid or gelatinous compound for resistance to shock and vibration, and for exclusion of moisture and corrosive agents. Thermosetting plastics or silicone rubber gels are often used.
Types of compounds:
Epoxy Potting Compounds - Epoxy potting compounds generally have better adhesion, 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 predicable. 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 a good 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, Very fast hardening, adequate chemical resistance and clear in appearance

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Description Price 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 Operating Temperature Range
RS Stock No. 146-6593
BrandRS PRO
MYR113.01
Each
units
PUR Pack 250 g Chemical Resistance, Mark Resistance, Scratch Resistance, UV Light Resistance, Weather Resistance, Yellowing Resistance 24 h @ 23 °C, 4 h @ 60 °C 75 Shore A 0.2W/mK Clear +120°C -40°C Polyurethane Resin 11kV/mm - -40 → +120 °C
RS Stock No. 283-460
Mfr. Part No.QSIL-553
MYR306.55
Each
units
Silicone Dual Cartridge 250 g Thermal Conductivity 24 h 32 Shore A 0.68W/mK Grey +260°C -55°C - - - -55 → +260 °C
RS Stock No. 448-0236
Mfr. Part No.740010360
MYR115.52
Each
units
Silicone Cartridge 310 ml - 24 h 24 Shore A 0.2W/mK White +230°C -50°C - - - -50 → +230 °C
RS Stock No. 876-2444
Mfr. Part No.UR5635RP250G
MYR106.58
Each
units
PUR Pack 250 g Acid Resistance, Alkalis Resistance, Suitable For a Range of Environments, Water and Mould Growth, Weather Resistance 24 (23°C) h, 4 (60°C) h 80 Shore A 0.2W/mK Off-White +120°C -40°C - 11kV/mm - -40 → +120 °C
RS Stock No. 784-4866
Mfr. Part No.UR5545RP250G
MYR97.64
Each
units
PUR Pack 250 g Acid Resistance, Alkali Resistance 24 h 75 Shore D 0.25W/mK Black - - - - - -
RS Stock No. 703-1238
Mfr. Part No.100210-mag
BrandRaytech
MYR154.05
Each
units
Plastic Dual Cartridge 210 g Reenterable - - - Blue - - - >20kV/mm - -
RS Stock No. 832-4723
Mfr. Part No.WONDER-F280
BrandRaytech
MYR144.91
Each
units
Silicone Cartridge 280 ml Even Suitable For Standard Boxes, Ideal For Filling Wonder Joint Enclosures, No Waste - No Shelf Life, Once Open, It Does Not Solidify - - 0.2W/mK Green +200°C -60°C - >23kV/mm - -60 → +200 °C
RS Stock No. 703-1231
Mfr. Part No.M agic-Gel
BrandRaytech
MYR446.37
Each
units
Gel Kit 1000 g Dielectric, Low Viscosity, Sealing Characteristics, Thermal Conductivity - - - - - - - >20kV/mm - -
RS Stock No. 703-1228
Mfr. Part No.Magic-rubber
BrandRaytech
MYR325.85
Each
units
Rubber Kit 500 g Dielectric, Elastic Properties, Mechanical Properties, Thermal Conductivity 10 min - - - - - - >20kV/mm Odourless -
RS Stock No. 832-4720
Mfr. Part No.WONDERJL4
BrandRaytech
MYR209.12
Each
units
Silicone Cartridge - Can Energize Immediately, Completely Non-Toxic & No Shelf Life, Enclosure With Special Check Valve, Even Suitable For High Depths, Mess Free, Re-Accessible And Inspectable - - 0.2W/mK Green +90°C - - >23kV/mm - Maximum of +90 °C
RS Stock No. 121-3880
Mfr. Part No.KELVIN
BrandRaytech
MYR38.75
1 Set
Set(s)
- Blister 45 x 45 x 30 mm - - - - Transparent +90°C - - - - Maximum of +90 °C
RS Stock No. 121-3884
Mfr. Part No.KELVINMP
BrandRaytech
MYR469.89
1 Set
Set(s)
- Pack 45 x 45 x 30 mm - - - - Transparent +90°C - - - - Maximum of +90 °C
RS Stock No. 121-3883
Mfr. Part No.WATTMP
BrandRaytech
MYR342.00
1 Set
Set(s)
- Pack 30 x 38 x26 mm - - - - Transparent +90°C - - - - Maximum of +90 °C
RS Stock No. 183-1652
Mfr. Part No.Happy2
BrandRaytech
MYR36.50
Each
units
- Blister - - - - - Yellow +90°C - - - - -
RS Stock No. 121-3877
Mfr. Part No.ISAAC4
BrandRaytech
MYR63.76
1 Set
Set(s)
- Blister 30 x 24 x 23 mm - - - - Transparent +90°C - - - - Maximum of +90 °C
RS Stock No. 768-2303
Mfr. Part No.UR5604RP250G
MYR102.60
Each
units
PUR Pack 250 g Flame Retardant 24 h - 0.45W/mK Black +130°C -40°C - - - -40 → +130 °C
RS Stock No. 183-1651
Mfr. Part No.Happy1
BrandRaytech
MYR22.05
Each (In a Pack of 2)
units
- Blister - - - - - Grey +90°C - - - - -
RS Stock No. 181-1276
Mfr. Part No.UR5118RP250G
MYR145.50
Each
units
- Pack 250 ml - 36 h - 0.2 Black +125°C -60°C - 18kV/mm - -60 → +125 °C
RS Stock No. 183-1663
Mfr. Part No.Nano6
BrandRaytech
MYR35.60
Each
units
- Blister - - - - - - +90°C - - - - -
RS Stock No. 183-1668
Mfr. Part No.Barney
BrandRaytech
MYR47.70
Each
units
- Blister - - - - - - +90°C - - - - -
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