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Loctite SI 5900 Black RTV Silicone Sealant 50ml Cartridge

Loctite SI 5900 Black RTV Silicone Sealant 50ml Cartridge
Loctite SI 5900 is a silicone-based gasketing product suitable for various substrates. Good resistance to oil and joint movement. Supplied in a 50ml cartridge. 
£10.61 excl VAT
£12.73 inc VAT
No stock - lead time 38 days
Non Hazardous
Commodity Code: 32141010
Country of Origin: Italy
Bulk discounts
£10.61 + VAT
£10.08 + VAT
£9.81 + VAT
£9.55 + VAT

Loctite SI 5900 is a low strength, moisture-cured, thixotropic silicone-based paste. Typical applications include stamped sheet metal covers (timing covers and oil sumps). It exhibits a rapid skin-over time of 15 min and is suitable for gaps up to 1 mm. As a single component it requires no mixing.


  • Good oil resistance
  • Withstands joint movement
  • Adheres to metal, plastic, glass and ceramic materials
  • Reduces migration of liquid after application


  • Loctite SI 5900
  • Black RTV Silicone Sealant
  • 50ml Cartridge

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £8.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £21.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.

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Sil-Mid Limited DO NOT GUARANTEE that the information in these documents is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.