{"product_id":"60ml-underwater-adhesive-sealant-transparent-sealant-for-leak-repair-waterproof-silicone-sealant-for-underwater-application-resistant-to-high-and-low-temperatures-anti-shrinkage","title":"60ml Underwater  Leak Repair  Adhesive Sealant | Waterproof Silicone Sealant for Underwater Application | Resistant to High and Low Temperatures, Anti-Shrinkage","description":"\u003cp\u003eUnderwater Application + Cures Underwater + Eco-friendly and Non-toxic to Fish | Suitable for Cold Northern Climates, Humid Southern Regions and Marine Environments\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003eThis product is a high-performance underwater adhesive sealant, suitable for aquariums, seafood tanks, marine parks, crystal brick walls, swimming pools, boat hulls, water tanks, drainage pipes and similar applications.\u003cbr\u003eIt supports direct application in damp environments and underwater, allowing leaks to be repaired without draining the water.\u003cbr\u003eIt remains flexible across a wide temperature range from -40°C to +90°C, is resistant to shrinkage, water and oil, and withstands marine climates, truly achieving underwater bonding and long-lasting leak prevention.\u003c\/p\u003e\n\u003cp\u003eKey Selling Points \u003cbr\u003e✅ Underwater Application: Work whilst the water is present; no need to empty fish tanks or pools\u003cbr\u003e✅ Strong Bond: Bonds underwater within 24 hours; can easily support the weight of two buckets of water\u003cbr\u003e✅ High and Low Temperature Resistance: Does not crack or soften between -40°C and +90°C\u003cbr\u003e✅ Shrinkage Resistance: Dimensionally stable after curing; no delamination\u003cbr\u003e✅ Formaldehyde-free · Low VOC: Harmless to fish and humans\u003cbr\u003e✅ Water and oil resistant: Does not dissolve or degrade during prolonged immersion\u003c\/p\u003e\n\u003cp\u003eApplications\u003cbr\u003eFish tanks, glass brick walls, seafood display tanks\u003cbr\u003eMarine parks, aquariums, swimming pools\u003cbr\u003eShips, navigation buoys, underwater equipment\u003cbr\u003eWashbasins, buckets, drainpipes, sewage pipes\u003cbr\u003eLeak-proofing and repair of metal\/glass containers\u003c\/p\u003e\n\u003cp\u003eTest Results\u003cbr\u003eGlass fish tank waterproofing    ✅ No further leaks after application\u003cbr\u003eMetal container waterproofing    ✅ No further leaks after application\u003cbr\u003eUnderwater bonding strength    ✅ Supported two buckets of water after 24-hour curing\u003cbr\u003eFish safety    ✅ Formaldehyde-free; fish remain healthy and alive\u003c\/p\u003e\n\u003cp\u003eInstructions for Use\u003cbr\u003eClean the substrate\u003cbr\u003eRemove dust, grease, rust and silt to ensure the surface is clean.\u003c\/p\u003e\n\u003cp\u003eBevel the nozzle at a 45° angle\u003cbr\u003eExtrude the adhesive at a 45° angle to the substrate, ensuring sufficient adhesive to fill the gap completely.\u003c\/p\u003e\n\u003cp\u003eAllow to cure\u003cbr\u003eWait for at least 24 hours; do not use until fully cured.\u003c\/p\u003e\n\u003cp\u003eSpecifications and Coverage\u003cbr\u003eSpecifications: Reference bonding length    Suitable applications\u003cbr\u003e60ml per tube:    Approx. 1.5–2 metres    Small aquariums, water pipes, washbasins\u003cbr\u003e2-tube pack: Approx. 3–4 metres    Medium-sized aquariums, seafood tanks\u003cbr\u003e3-pack: approx. 4.5–6 metres    Aquariums, pool repairs\u003cbr\u003e5-pack: approx. 7.5–10 metres    Large-scale projects or spares\u003c\/p\u003e\n\u003cp\u003eFree application tools: Finger cots + Nozzle\u003c\/p\u003e\n\u003cp\u003eFrequently Asked Questions (FAQ)\u003cbr\u003eCan it be applied directly underwater?\u003cbr\u003eYes. This product is specifically designed for bonding in damp environments and underwater, with no need to drain the water.\u003c\/p\u003e\n\u003cp\u003eIs it toxic to fish?\u003cbr\u003eNo. It is formaldehyde-free, low in VOCs and does not pollute the water; it has passed fish survival tests.\u003c\/p\u003e\n\u003cp\u003eCan it be used outdoors in northern regions during winter?\u003cbr\u003eYes. It withstands temperatures as low as -40°C and resists shrinkage, making it suitable for use in both the severe cold of the north and the damp conditions of the south.\u003c\/p\u003e\n\u003cp\u003eHow long does it take to dry?\u003cbr\u003eSurface tack is achieved in approximately 1–2 hours; full cure is recommended after 24 hours or more.\u003c\/p\u003e\n\u003cp\u003eCan it bond metal, glass and plastic?\u003cbr\u003eYes. It offers good adhesion to most substrates, including glass, metal, ceramics and hard plastics.\u003c\/p\u003e","brand":"dinoinbox","offers":[{"title":"1PC","offer_id":48214064660634,"sku":"MHYT724","price":9.99,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":48214064693402,"sku":"MHYT724-1","price":14.99,"currency_code":"USD","in_stock":true},{"title":"3PCS","offer_id":48214064726170,"sku":"MHYT724-2","price":18.99,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":48214064758938,"sku":"MHYT724-3","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8748\/7130\/files\/ScreenShot_2026-06-08_141610_416.png?v=1780899489","url":"https:\/\/www.dinoinbox.com\/en-ca\/products\/60ml-underwater-adhesive-sealant-transparent-sealant-for-leak-repair-waterproof-silicone-sealant-for-underwater-application-resistant-to-high-and-low-temperatures-anti-shrinkage","provider":"dinoinbox","version":"1.0","type":"link"}