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Newton HydroTank 306 Swell Mastic – 310ml Cartridge

Brand: Newton Waterproofing Systems
Product Code: 306
In Stock

Newton HydroTank 306 Swell Mastic is a fast-curing, swellable, single-component and polymeric adhesive sealant. The special composition makes the sealant swell when in contact with water to approximately 200% of original size.

£28.27 incl. VAT
£23.56 excl. VAT

Buy 12 or more SAVE 7.5% £21.79 each
Buy 12 or more SAVE 7.5% £26.15 each
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Swelling Adhesive Mastic. Newton HydroTank 306 Swell Mastic is a fast-curing, swellable, single-component and polymeric adhesive sealant. The special composition makes the sealant swell when in contact with water to approximately 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 Newton HydroBond 403 Plus. 
  • As a swelling adhesive for the installation of Newton HydroTank 315 Waterbar 
  • Sealing of service protrusions through the structure.

Suitable Substrates: 

  • Newton HydroBond 403 Plus 
  • Concrete 
  • steel 
  • Plastic 
  • Rubber 

Packaging: 

  • Cartridges of 310 ml 
  • 12 cartridges per box
Coverage 5.5 – 8.5 l/m per cartridge
Packaging 310 ml
Colour Grey
Material Hydrophilic paste
Specific gravity 1.3
Tensile strength (MPa) 5.8
Application temperature (MPa) 5°C  to 35°C
Service Temperature (MPa) -40ºC to 100ºC
Elasticity Up to 11x initial size
Swelling capability Up to 3.5 times initial size
Storage Store in dry conditions at temperatures between +5°C and +25°C with containers fully sealed. Do not expose to freezing conditions.
Shelf life If the storage conditions are maintained, and the packaging is unopened, then a shelf life of up to 12 months can be expected

Please see our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.

Delivery Timescales

We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.

Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.

Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details).

Delivery Communications

We aim to dispatch and deliver all our products within their specified time frames. You will get notified by BaseTec via email when your products have been dispatched. This will include details of your order and the expected delivery time. BaseTec will contact you via email or phone if there are any delays in picking your order or after dispatch.

If any products are out of stock or unavailable at the time of ordering, the BaseTec team will contact you by phone or email to discuss your options.

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