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Alpha 121 High Modulus Marine Grade Silicone 300ml Tube

Alpha 121 High Modulus Marine Grade Silicone 300ml Tube
Alpha Silicone Sealant 121 is a ready to use gun applied cartridge sealant that cures rapidly on exposure to atmospheric moisture to form a robust rubber seal. Read more
From £10.51 excl VAT
(£12.61 Inc VAT)

Product Information


Due to the long life expectancy and versatility of Silicone Sealant 121, it can be used for both interior and exterior applications, with excellent adhesion to glass, ceramics, and sanitary ware.

Specifications and Information

Technical Information

Product Code
Commodity Code
Country Of Origin
United Kingdom

Document Downloads

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.

Delivery information

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.