Aqua-Flex Underwater Adhesive Sealant - Black - 310ml

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All Bulk Prices Below Are Quoted Including GST.

Buy 3 - 6 and pay only $25.96 each
Buy 7 - 12 and pay only $25.43 each
Buy 13 - 35 and pay only $24.79 each
Buy 36 or above and pay only $24.36 each
  • Info Image for our Aqua-Flex Underwater Adhesive Sealant; For wet, damp or submerged sealing and bonding work.
  • Black coloured tubes of this special kind of adhesive sealant that can be applied to wet, damp or even submerged surfaces. Weicon Aqua-Flex Underwater Sealant and Adhesive bonds to most types of materials and is strong and long lasting.
  • Fixing Stones to a pond liner with Weicon Aqua-Flex Underwater Sealant and Adhesive
  • Sealing gutters with Weicon Aqua-Flex Underwater Sealant and Adhesive
  • Sealing roof tiles with Weicon Aqua-Flex Underwater Sealant and Adhesive
  • Weicon Aqua-Flex Elastic Adhesive used underwater
  • The Aqua-Flex Range of Colours.
Inc. GST
Frequently bought together:


  • Adhesive Sealant for use in wet, damp or submerged applications
  • Resistant to weathering and UV
  • Bonds well to a wide variety of materials and surfaces

Weicon Aqua-Flex Underwater Sealant and Adhesive is a special type of adhesive designed specifically for wet or moist surfaces. In fact, it can even be used underwater. Aqua-Flex can be used as either and adhesive or sealant and remains permanently elastic after curing. It also has good UV and weathering resistance which allows it to be used indoors or outdoors.

Weicon Aqua-Flex Underwater Sealant and Adhesive is 100% silicone-free and contains no solvents, halogens or isocyanate. It withstands attack from fresh and salt water (and other media) and bonds well to a range of wet or damp surfaces including metals, many plastics, ceramic, wood, glass, stone, aluminium and stainless steel. Weicon Aqua-Flex has also been certified by ISEGA as an adhesive for use in food technologies.

Applications for Aqua-Flex Underwater Sealant and Adhesive

  • Sealing or bonding plastic foils or PVC sheet (such as pond liners)
  • Sealing and bonding ventilation and air conditioning systems
  • A permanently elastic adhesive for high humidity environments
  • Sealing tubes, pipes and tanks
  • Bonding and sealing wet, damp or submerged surfaces in marine environments
  • Repairs to water tanks, aquariums or containers
  • Roof and gutter sealing and bonding (especially when drying them first is impractical)
  • Sealing and bonding in sanitary applications where completely drying the surface is impractical
  • Gardening and landscaping work

Aqua-Flex Underwater Adhesive Sealant Downloads & Resources

Aqua-Flex Specifications.

Property Typical Value Standard
Colours Black, Grey or White -
Basis 1 Component Polyoxypropylener -
Viscosity Pasty -
Stability / Run-off 1mm ASTM D 222
Density 1.44 g/cm³ -
Curing Conditions +5°C to 40°C -
Skin-Over Time 25 MInutes 50% Relative Humidity, 23°C.
Cure Speed (First 24 Hours) 2-3mm -
Volume Change -1% DIN 52451
Cure Type Humidity -
Max. Gap Filling Depth 5mm -
Max. Gap Filling Width 25mm -
Shore Hardness 42 Shore A (+/- 5) DIN 535 / ASTM D 224
Elongation at Break 650% (+/- 5) DIN 53504 / ASTM D 2240
Tensile Strength of the Pure Adhesive Sealant 3.3 N/mm² -
Average Tensile Shear Strength 2.1 N/mm² DIN 53283 / ASTM D 12
Tear Strength 20 N/mm² DIN 53515 / ASTM D 1002
Max. Movement Capacity 15% -
Overpaintable w/ Liquid Paint No. -
Building Material Category Code B 2 DIN 412
Temperature Resisance -40°C to +90°C Continuous
Up to 130°C for Short Periods.
Minimum Shelf Life 12 Months when stored at 5°C to 25°C -

Quick Links to Related Categories and Solutions

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Additional Information

Container Size:
One Part / Two Part:
One Part
Minimum Continuous Temperature:
Maximum Continuous Temperature:
Short-Term Temperature Resistance:
130°C (2 Hours Maximum)
Max. Gap Covering Power:
5mm Deep / 25mm Wide
1.44 g/cm³
Shore Hardness:
42 Shore A
Stability / Run-off:
1mm (ASTM D 222)
Skin Over Time:
25 Minutes
Elongation at Break:
Tensile Strength of the Adhesive:
3.3 N/mm²
Max. Movement Capacity:
Food Grade / Potable Water Approvals?:
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