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Geocel Marine Silicone Rubber Sealant 78g White

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Geocel Marine is a silicone rubber sealant that fills and caulks gaps, joints and cracks around the boat.


  • 78g Hand Applicator
  • One component, easy to apply and tool
  • Excellent adhesion to glass
  • High modulus
  • Fast tack free and cure time
  • Safe for fish when fully cured
  • Cures to form a permanently flexible watertight seal.


Use for sealing around hatches and portholes, Insulating electrical connectors, Locking nuts and bolts against vibration breakdown.

Sealing trunking, Sealing pipework, In-situ gaskets for water pumps and exhaust systems, Creating water tight joints throughout.

Product Data

  • Smooth void free viscous paste.
  • Storage Life stored below 25 Deg C,
  • 310ml cartridges - 27 months, 78g Injector 12 months.
  • Base Acetoxy silicone.
  • Non-hazardous.
  • Non-flammable.
  • Application 5 Deg C to 35 Deg C Temperatures.
  • Temperature -40 Deg C to 150 Deg C Range.
  • Skin Time 20min at 23 Deg C.
  • Cure Time 3mm per 24 hours.
  • Hardness 20-25 Shore A
  • Movement 25%


Geocel Marine Silicone Rubber Sealant 78g White