HA6 Marine Silicone Sealant

High-Modulus Marine-Safe Silicone – 310ml EU3 Cartridge (Choice of Colour)

Durable, versatile, and marine-ready!
Premium high-modulus silicone sealant and adhesive designed for demanding environments. Ideal for aquariums, fish tanks, marine and freshwater applications, as well as engineering, construction, and outdoor projects.

This marine-grade sealant is resistant to UV, ozone, saltwater immersion, and extreme temperatures, making it perfect for both indoor and outdoor use. Free from fungicides and oils, it ensures safe, long-lasting seals without contaminating water or surfaces.

Features & Benefits:

• Marine-grade quality – safe for saltwater and freshwater applications

• Temperature resistant – from -50°C to +180°C (short bursts up to +200°C)

• UV & ozone resistant – perfect for outdoor exposure

• Aquarium safe – no leaching, safe for fish and aquatic environments

• High modulus – strong, rigid, and non-shrinking for secure bonds

• Multi-purpose – ideal for aquariums, gaskets, pipework, weatherproofing, curtain walls, cladding, and general construction

Applications:

• Bonding, bedding, and sealing aquariums

• Sealing pumps, pipework, and gaskets

• Dustproofing and weatherproofing

• Construction uses such as curtain walls, cladding, and other structural sealing

Standards & Quality:
Conforms to BS5889:B and ISO 11600-G-20HM for high-performance reliability