+44 1670 734400

RTV 382 heat resistant sealant 260°C

RTV 382 heat resistant sealant is a non acid RTV silicone adhesive sealant which withstands high temperatures of up to 260°C. It will bond and seal most engineering materials including glass, metals, rigid plastics and silicone rubber. RTV 382 heat resistant sealant benefits from neutral curing system. One of our most specified industrial sealants RTV 382 meets UL 94 HB Flame Retardancy


  • Heat resistant RTV silicone sealant to 260°C ( 315°C Intermittent )
  • Weatherproofing and insulating cable connectors & high voltage equipment
  • Oil, chemical and heat resistant sealant / gasket maker
  • Sealant for bonding vibration prone machines and appliances
  • Heat proof bonding or sealing applications e.g. metal to glass

For Highest Temperature Resistance up to 350°C see XTS 320

Uncured Properties

Colour: Translucent / Clear
Consistency: Paste
Cure Time: 24 hours per 3mm
Tack Free: 30 minutes
Shelf Life: 6 months in dry conditions @ 20C

Cured Properties

Specific Gravity: 1.07
Hardness Shore A: 33
Tensile Strength: 19 kgf/cm2 ( 1.9 Mpa )
Dielectric Strength: 20 kV/mm
Temperature Range: –55 to +260C


01670 734400
+44 1670 734400

Intek Adhesives
Unit 20
Atley Business Park,
NE23 1WP