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Hydrotank 306 (310ml tubes)

Save £8.28 inc.VAT

Color: White
Size: 310ml
Sale price£22.32 inc.VAT Regular price£30.60 inc.VAT


Fast-curing, swellable, single-component, polymeric adhesive sealant. The special composition of HydroTank 306 Swell Mastic makes the sealant swell when in contact with water (to about 200% of original size).

Key Benefits
  • Very high resistance to water pressure.
  • Delayed swelling – will not swell during the installation process or during the concrete cure.
  • Swells up to 200% of its original size to quickly seal leaks at joints in the structure.
  • Very resistant to the high alkalinity of concrete.
  • Maintains very high elasticity and tensile strength, even when swollen.
  • Age resistant, no embrittlement.
Typical Applications
  • Detailing product for HydroBond 403 Plus.
  • As a swelling adhesive for the installation of Newton System 300 hydrophilic waterbars.
  • Sealing of service protrusions through the structure.
  • To further waterproof around pipes sealed with Newton 307 PipeSeal.

Product Data
  • Code: 306

    Packaging: 310ml

    Colour: White

    Application Rate: 5.5-8.5l/m per cartridge

Technical Data
 Cured performance  Result
Tensile strength 5.8 MPa
Elasticity  Up to 11 x initial size
Swelling capability Up to 3.5 times initial size
Watertightness  1 bar
Installation temperature  5ºC to 40ºC
Service temperature  -40ºC to 100ºC

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