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:

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AG 300 is a metallic silver colour food grade ( FDA ) RTV silicone sealant and adhesive designed to give a good colour match on stainless steel ( Inox ) and aluminium joints especially where food contact is required.

AG 300 has excellent resistance to oils, chemicals & steam and retains it’s tough physical properties

over a wide temperature range -55 to + 300o C and gives a fast curing high strength yet flexible bond to most engineering materials. AG 300 is effective in replacing spot welding even on stainless steel creating a sealed joint at the same time.

Key Uses and Features of AG 300

• Bonding and sealing stainless steel ( Inox ) fabrications also food processing equipment

• Cosmetic sealing on stainless steel and aluminium

• Resists common cleaning chemicals such as formaldehyde and hydrogen peroxide

• Sealing of heating and ventilation equipment, ductwork chimneys & flue stacks

• Sealing galley areas on cruise ships, trains and aircraft

• Very fast cure through allows faster assembly time

• Excellent adhesion to metals, rubber, glass and rigid plastics

• Food grade sealant Conforms to FDA CFR 21,177.2600 and EU Article 3 of Commission Regulation 1935/2004 for materials   liable to have incidental food contact

Uncured Properties

Cured Properties


Metallic Silver

Specific Gravity:




Hardness Shore A:


Cure Time:

3 mm  per 8 hours

Tensile Strength:

3.2 kgf/cm 2

Tack Free:

6-8 minutes

Dielectric Strength:

20 kV/mm

Shelf Life:

12 months @ 20C

Temperature Range:

- 55 to + 300 C

Chemical Resistant RTV Sealants.pdf

Chemical Resistance List

Mail: enquiry - AG 300

01670 734400

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25th June to 29th June