Bond It Premier HA6 Marine Silicone Sealant White 310 is a high-quality, one-component silicone sealant specifically designed for use in marine environments. It's ideal for both above and below the waterline applications, offering superior performance and reliability. This marine-grade silicone sealant is non-shrinking and cures to a flexible rubber that resists cracking, fading, and discoloration. This premium, non-shrinking silicone is perfect for both indoor and outdoor applications, especially in marine environments. Unaffected by UV rays, ozone, salt water, or extreme temperatures, HA6 offers a long-lasting, watertight seal. Ideal for bonding and sealing glass in aquariums, it's also suitable for creating gaskets, seals, and weatherproofing joints on conservatories, ceramics, and more. This high-modulus sealant cures quickly and won't slump, for easy and reliable application.