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Home Shop Caulk & Fillers Gap Fillers Bond It HA6 RTV Silicone – 310ml
Product SKU: N/A

Bond It HA6 RTV Silicone - 310ml

From:
£3.01incl VAT.
£2.51excl VAT.
In Stock

Bond It HA6 RTV Silicone 310ml is a high-performance marine-grade silicone sealant designed for aquariums, glass, pipework and exterior sealing applications. Resistant to UV, ozone, saltwater and extreme temperatures, it delivers a durable, waterproof seal that won’t shrink or slump. Suitable for interior and exterior use on glass, ceramics, aluminium, primed metals, timber and many plastics.

Frequently Bought Together:
Bond It De-Bond Mate Silicone Sealant Remover Gel - 125ml Amber/Brown
£3.74 Incl VAT £3.12 Excl VAT
Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4)
£4.20 Incl VAT £3.50 Excl VAT
Bond It Sealant Applicator Tool
£2.59 Incl VAT £2.16 Excl VAT
Frequently Bought Together:
Bond It De-Bond Mate Silicone Sealant Remover Gel - 125ml Amber/Brown
£3.74 Incl VAT £3.12 Excl VAT
Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4)
£4.20 Incl VAT £3.50 Excl VAT
Bond It Sealant Applicator Tool
£2.59 Incl VAT £2.16 Excl VAT
Total Price
£3.01 Incl VAT
£2.51 Excl VAT

Free Next Working Day Delivery on orders over £80*

*this does not include lead, felt support trays or ladder orders.

Bond It HA6 RTV Silicone 310ml – Marine Grade Silicone Sealant

Bond It HA6 RTV Silicone 310ml is a premium marine-grade RTV silicone sealant developed for demanding sealing, bonding and bedding applications. Designed to perform in harsh environments, this high-modulus silicone provides excellent adhesion, long-term flexibility and outstanding weather resistance.

Whether you're constructing an aquarium, sealing glass panels, creating waterproof gaskets or protecting external joints, Bond It HA6 delivers dependable performance in both interior and exterior environments. Furthermore, its specialist formulation contains no fungicides or oils that may leach into water, making it suitable for aquarium and fish tank construction.

Key Features & Benefits

  • Marine-grade RTV silicone sealant
  • Suitable for aquarium and fish tank construction
  • UV, ozone and saltwater resistant
  • Waterproof and weatherproof performance
  • Non-shrinking and non-slumping formula
  • High movement accommodation
  • Interior and exterior use
  • Temperature resistant from -60°C to +180°C
  • Excellent adhesion to glass, ceramics and metals
  • Available in a convenient 310ml cartridge

Ideal Applications

Bond It HA6 RTV Silicone has been specifically formulated for environments where durability and water resistance are essential. Consequently, it is widely used for:

  • Aquarium and fish tank assembly
  • Glass bonding and glazing applications
  • Marine and boating projects
  • Pump and pipework sealing
  • Waterproof gasket formation
  • External weather sealing
  • Dustproof cabinet sealing
  • General industrial maintenance

In addition, the sealant performs exceptionally well when exposed to moisture, saltwater, UV rays and changing weather conditions. As a result, it remains a trusted choice for professional tradespeople and DIY users alike.

Exceptional Durability in Challenging Conditions

Unlike standard silicone sealants, Bond It HA6 RTV Silicone is engineered to withstand prolonged exposure to harsh environmental conditions. Therefore, it remains unaffected by UV radiation, ozone, saltwater immersion and temperature extremes.

Moreover, the high-modulus formulation provides excellent strength while maintaining flexibility, helping joints absorb movement without cracking or losing adhesion. This combination of durability and flexibility makes it suitable for long-term sealing applications in marine, industrial and construction environments.

Compatible Substrates

Bond It HA6 RTV Silicone bonds effectively to a wide range of common building materials, including:

  • Glass
  • Ceramics
  • Anodised aluminium
  • Primed metals
  • Primed timber
  • Many plastics

Therefore, it offers a versatile sealing solution for both professional contractors and home improvement projects.

Why Choose Bond It HA6 RTV Silicone?

When reliability matters, Bond It HA6 RTV Silicone delivers professional-grade results. Not only does it provide outstanding waterproof protection, but it also offers excellent resistance to weathering, UV exposure and saltwater conditions. Furthermore, its aquarium-safe formulation makes it one of the most versatile marine-grade silicone sealants available.

Whether you're sealing an aquarium, repairing marine equipment or creating durable weatherproof joints, Bond It HA6 RTV Silicone 310ml provides the long-lasting performance and protection you can trust.

Frequently Asked Questions

Is Bond It HA6 suitable for aquariums?

Yes. Bond It HA6 contains no fungicides or oils that may leach into water, making it suitable for aquarium construction, glass bonding and fish tank repairs.

Is Bond It HA6 waterproof?

Yes. Once cured, it provides a durable waterproof seal that is resistant to water ingress, weather exposure and saltwater immersion.

What temperature can Bond It HA6 withstand?

Bond It HA6 offers temperature resistance from -60°C to +180°C, making it suitable for a wide range of demanding applications.

Is Bond It HA6 suitable for outdoor use?

Yes. It is UV resistant, weatherproof and highly durable, making it ideal for exterior sealing applications.

Additional information

Flammability

Non-flammable

Tooling Time

5-10 minutes

Tack Free

10-20 minutes

Full Cure

3mm depth per day

Application Temperature

+5°C to +30°C

Rubber Hardness

Shore A: <25

Maximum Extensibility

300%

Joint Movement Capability

25% by ISO methods

Service Temperature Limits

-60°C to +180°C – Short periods over 200°C are not detrimental to sealant performance

Technical Data Sheet

Safety Data Sheet

Building Aquarium Instructions

Product Information

Flammability

Non-flammable

Tooling Time

5-10 minutes

Tack Free

10-20 minutes

Full Cure

3mm depth per day

Application Temperature

+5°C to +30°C

Rubber Hardness

Shore A: <25

Maximum Extensibility

300%

Joint Movement Capability

25% by ISO methods

Service Temperature Limits

-60°C to +180°C – Short periods over 200°C are not detrimental to sealant performance

Technical Data Sheet

Safety Data Sheet

Building Aquarium Instructions

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