HA6 Marine Grade RTV Silicone Sealant - 300ml

In stock
Regular price £6.00 inc. VAT

UV safe and can be used in saltwater immersion and extreme temperatures.

Premium, high modulus, non-shrinking, marine quality silicone sealant and adhesive - ideal for home aquariums, fish tanks and engineering applications.

This RTV adhesive and sealant is unaffected by UV, ozone, salt water immersion and extreme temperatures. It contains no fungicides or oils that may allow water to leach and has good durability characteristics.

Product Details: 

  • Brand: Bond IT
  • Size: EU3/ 300ml 
  • Flammability: Non-Flammable
  • Material: Silicone 
  • Compatible Material: Glass, Ceramic, Plastic.
  • Item Form: Paste 
  • Special Feature: Waterproof 
  • Tooling Time: 5-10 mins
  • Tack Free: 10-20 mins
  • Full Cure: 3mm depth per day
  • Application Temperature: -30°C to +60°C
  • Hardness: Shore A 25
  • Max Extensibility: 300%
  • Joint Movement Capability: 25% by ISO methods
  • Service Temp Limits: -50°C to +180°C. Short periods over 200°C are not detrimental to sealant performance.
  • Available Colours: White, Translucent
    • White: 
      • SKU: BDHA6WH
      • Product Code:  BON-1084-1001
    • Translucent:  
      • SKU: BDHA6T
      • Product Code: BON-1084-1005

Key Features: 

  • Marine grade - unaffected by saltwater.
  • Temperature resistance - as low as -50°C to +180°C (+200°C for short periods).
  • Unaffected by UV and ozone - effective for outside applications.
  • Marine/Freshwater aquarium safe - no leaching fungicides or oils.
  • High modulus - more rigid and non-shrinking.

What makes HA6 Marine Silicone so special?

HA6 can be used with the following materials and conditions: glass, ceramics, anodised aluminium, primed metals, plastics, salt water, and extreme temperatures.


For bonding, bedding and sealing glass in aquarium construction.

Suitable for the manufacture of in-situ gaskets and seals for pumps and pipework to prevent water ingression and as a dust and weatherproofing seal for cabinets in dirty environments or external applications.

Ideal for use on glass, ceramics, anodised aluminium, primed metals and timber and many plastics.

  • Aquariums - bonding, bedding and sealing.
  • Pumps and pipework - gaskets and seals.
  • Dustproofing and weatherproofing.
  • Curtain walls.
  • Cladding and Bedding.


Not suitable for use on bitumen, asphalt, natural stone or unprime metals. Not suitable for use as a mirror adhesive. Do not apply at temperatures below 5°C or above 30°.