Intek are the UK's leading independent distributors of high temperature, chemical resistant RTV silicone sealants and adhesives.

Contact us for friendly sales & technical advice from a family run company for over 25 years.


Threadlocking Adhesives

Food Grade Sealant

Engineering Adhesives

Electronics Assembly

Unit 20,

Atley Business Park,



NE23 1WP

Tel: 01670 734400

International: +44 1670 734400


Technical Support:

Intek Adhesives © All rights reserved

Home Marine Sealant | Sea Water resistant | Cure Underwater Enquire Product Flyer

Typical applications include:

It is suitable for sealing joints where pipes or trunking for machinery pass through decks or bulkheads, and for sealing around hatches, port holes and windows, where a watertight flexible seal is required. Making oddly shaped gaskets.

Stainless Steel / Aluminium  Colour
Cures Underwater and on Wet Surfaces
Fast Curing with Outstanding Adhesion
Meets FDA Requirements for Food Contact
High Strength, Flexible Bonding & Sealing
Highly resistant to Oils, Chemicals, Acids,
   Alkalines, Steam, UV & Ozone and Seawater

Uncured Properties

Cured Properties


Stainless Steel / aluminium

Specific Gravity:



Non-drip paste

Hardness Shore A:


Cure Time:

8 hours per 3mm

Tensile Strength:

3.2 kgf/cm 2

Tack Free:

6-8 minutes

Temperature Range:

-60 to + 300 C

Shelf Life:

12 months in dry conditions @ 20C

Mail: enquiry - AG 300

01670 734400

AG 300 marine sealant has excellent resistance to sea water, UV and chemicals. It will cure underwater and on damp surfaces with excellent adhesion to stainless steel, aluminium, glass fibre and most engineering materials.

AG 300 is food grade and is used for sealing around kitchen areas, galleys and hobs on major cruise line ships