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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XTS 320 High temperature sealant offers temperature resistant bonding and sealing up to 350 C on most industrial materials including glass, metals, carbon fibre and silicone rubber.

XTS 320 has a NATO stock classification NSN 6850-99-519-6905.

Industrial applications include:

• Weatherproofing and insulating cable connectors & high voltage   equipment

• Oil, chemical and high temperature sealant / gasket maker

• Sealing high temperature flues, ductwork and chimneys

• Non corrosive heat resistant sealing on aluminium and other metals

• Weatherproofing and coating offshore and pipeline components

Uncured Properties

Cured Properties


Orange / Tan

Specific Gravity:




Hardness Shore A:


Cure Time:

24 hours per 3mm

Tensile Strength:

28 kgf/cm2 ( 2.8 Mpa )

Tack Free:

15 minutes

Temperature Range:

-55 to + 320 C ( 350 intermittent )

Shelf Life:

12 months in dry conditions @ 20C

Enquire Download Technical Data File Mail: enquiry - AG 300

01670 734400