Silicone Grease

Silicone grease is a multi-purpose waterproof grease that provides part lubrication and electrical insulation. This kind of grease preserves rubber parts such as O-rings, and unlike hydrocarbon greases, silicone grease does not soften or swell the rubber.

Silicone grease functions well when dealing with demanding temperature ranges and pressures. It can also act as a corrosion-inhibitor and lubricant for applications that need a thicker lubricant.

Applications for silicone grease

Silicone grease is sometimes referred to as dielectric grease as it is electrically insulating and can be applied to electrical contacts as a way of sealing and protecting the connector.

Silicone grease lubricant can also be used in the home due to its anti seize properties. The silicone fluid is ideal for shower heads, door hinges, hose threads, bolt threads, or any thread that would benefit from lubrication.

PTFE filled silicone grease has enhanced lubrication properties and is often used in the automotive, marine and aircraft industries. It can withstand a wider temperature range than ordinary silicone greases, plus it has excellent moisture resistance.

How to choose the correct silicone grease

When looking to buy a silicone grease you must consider whether you need it to perform well at high or low temperatures, or both. Think about whether you need a heavy grease or something much lighter, plus the material you'll be applying it to, for example, will it work on plastics? Also consider how you need to apply the grease, whether that be as a spray or from a tube.


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Description Price Package Type Trade Name Grease Type Package Size Product Form Minimum Operating Temperature Food Processing Safe Maximum Operating Temperature NGLI Grade Colour Viscosity
RS Stock No. 494-124
BrandRS PRO
£6.72
Each
Units
Tube - Silicone 100 g Grease -50°C No +200°C - Clear -
RS Stock No. 283-404
Mfr. Part No.M494
£10.75
Each
Units
Tube SGM494 Silicone 50 g Paste -50°C No +200°C - Translucent 20 → 60000cSt
RS Stock No. 330-6092
Mfr. Part No.12251
BrandRocol
£18.08
Each
Units
Tube Sapphire Aqua-Sil Silicone 85 g Paste -40°C No +200°C 3/4 White 380 (100°C) cSt, 700 (40°C) cSt
RS Stock No. 631-0959
Mfr. Part No.31585-AB
BrandAmbersil
£28.05
Each
Units
Cartridge Ambergrease FG2 Silicone 400 g Grease -20°C Yes +220°C 2 White -
RS Stock No. 330-6115
Mfr. Part No.12253
BrandRocol
£86.90
Each
Units
Tin Sapphire Aqua-Sil Silicone 500 g Paste -40°C No +200°C 3/4 White 380 (100°C) cSt, 700 (40°C) cSt
RS Stock No. 330-3986
Mfr. Part No.399421
BrandHenkel
£20.83
Each
Units
Cartridge - Silicone 400 g Liquid -30°C Yes +150°C - Colourless -
RS Stock No. 482-3431
Mfr. Part No.SCO35SL
£9.01
Each
Units
Syringe SCO Silicone 35 ml Grease -50°C No +220°C - Colourless -
RS Stock No. 780-5284
Mfr. Part No.31566-AD
BrandAmbersil
£13.13
Each
Units
Aerosol AMS4 Silicone 400 ml Grease -50°C No +200°C - - -
RS Stock No. 482-3447
Mfr. Part No.SCO200D
£7.93
Each
Units
Aerosol SCO Silicone 200 ml Liquid -50°C No +220°C - Colourless -
RS Stock No. 258-6326
Mfr. Part No.1119096
BrandLoctite
£12.91
Each
Units
Tube Loctite 8104 Silicone 75 ml Paste -40°C Yes +200°C 2/3 Colourless -
RS Stock No. 823-2595
Mfr. Part No.30724
BrandCRC
£19.78
Each
Units
Aerosol - Silicone 400 ml Paste - No - 2 Clear 350 (20°C)mPa/s
RS Stock No. 124-7688
Mfr. Part No.8462-85ml
£19.18
Each
Units
Tube - Silicone 85 ml Paste, Solid -50°C No +250°C - Translucent -
RS Stock No. 131-6329
Mfr. Part No.32086
BrandCRC
£20.02
Each
Units
Tube - Silicone 100 ml Grease -40°C No +250°C 1 White 9000mm²/s
RS Stock No. 136-8545
BrandRS PRO
£6.08
Each
Units
Aerosol - Silicone 200 ml Grease -50°C - +220°C - Clear -
RS Stock No. 265-0095
Mfr. Part No.8104
BrandLoctite
£12.31
Each
Units
Tube Loctite 8104 Silicone 75 ml Paste -50°C - +200°C 2/3 Colourless -
New
RS Stock No. 187-3460
BrandRS PRO
£6.15
Each
Units
Tube - Silicone 300 ml Liquid - - - - Translucent 108000mPa/s
RS Stock No. 131-6330
Mfr. Part No.32717
BrandCRC
£6.92
Each
Units
Syringe - Silicone 10 g Grease - - - - White -