Overview
Shipbuilding adhesive is a high-performance bonding agent engineered for the demanding conditions of marine environments. Unlike standard industrial adhesives, it withstands constant exposure to seawater, UV radiation, and mechanical stress. Modern formulations often use epoxy, polyurethane, or methacrylate chemistries to achieve a balance of flexibility and durability. These adhesives are critical in constructing and repairing vessels, from small fishing boats to large cargo ships. They replace traditional mechanical fasteners in many applications, reducing weight and preventing corrosion-prone holes. Leading manufacturers develop specialized variants for substrates like fiberglass, aluminum, and treated wood.
Physical and Chemical Properties
Shipbuilding adhesives exhibit exceptional tensile strength (typically 15–30 MPa) and elongation at break (up to 300% for polyurethane types). Their chemical resistance profile includes immunity to diesel, oils, and dilute acids. Most products cure via exothermic reactions, with working times adjustable through hardener selection. Key testing standards include ASTM D5868 for lap-shear strength and ISO 6270 for humidity resistance. Advanced formulations incorporate hydrophobic additives to prevent water ingress at bonded joints. Thermal stability ranges from -40°C to +80°C, with some high-temperature variants exceeding 120°C.
Main Applications
Primary uses include hull-to-deck bonding in fiberglass boats, where adhesives create monolithic structures without stress concentrations. They're indispensable for attaching sacrificial anodes, sealing through-hull fittings, and bonding composite panels in superyachts. Some shipyards use them for pre-applied anti-fouling tape systems. In repair scenarios, these adhesives patch cracks in GRP (glass-reinforced plastic) and secure loose bulkheads. Naval architects increasingly specify structural adhesives for aluminum catamarans, as they prevent galvanic corrosion between dissimilar metals better than rivets.
Safety and Storage
Uncured adhesives may contain hazardous isocyanates (in polyurethanes) or bisphenol A (in epoxies). Workspaces require forced ventilation and spill containment measures. Cured adhesives are generally inert but should not be incinerated due to potential dioxin release. Storage life ranges from 6–24 months in unopened containers. Two-part systems must be kept in tightly sealed containers to prevent moisture absorption, which can cause bubbling or incomplete curing. Freezing temperatures damage most formulations irreversibly.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with DNV-GL or Lloyd's Register approvals. Key specifications to verify include pot life (typically 30–120 minutes), shore hardness (usually 60–90D), and gap-filling capability (up to 15mm for thickened products). For large projects, consider adhesives with extended open times and automated mixing/dispensing compatibility. Sample testing under simulated sea conditions (salt spray chambers) is recommended. Container sizes range from 200ml cartridges to 20kg pails, with bulk IBC totes available for shipyards.
Related Manufacturers
- 主营：[]
- 主营：止水条、制品型止水条、密封胶、单组份聚氨酯密封胶、双组份聚氨酯密封胶、双组份聚硫密封胶、钢板腻子止水带、遇水膨胀止水条、接缝防水胶、闭孔泡沫板、防水密封胶条、聚氨酯密封胶、双面自粘薄片、防水补漏自粘片、遇水膨胀橡胶条、遇水膨胀止水胶、丁基腻子橡胶自粘薄片、橡胶制品专用粘合剂、橡胶止水带、柔性填料、膨胀止水环、盾构粘合剂
- 主营：耐火可塑料、耐火浇注料、保温浇注料、高温抹面料、稀土保温涂料、海泡石保温涂料、硅酸盐保温涂料、玻化微珠保温砂浆、高温粘合剂、稀土抹面料、FTC保温砂浆、微膨胀耐火可塑料、复合硅酸盐保温涂料、轻质保温浇注料、石棉水泥、FBT稀土保温涂料、保温抹面料、轻质隔热浇注料
- 主营：LOCTITE、乐泰密封胶、乐泰瞬干胶、乐泰胶水、乐泰
- 主营：橡塑板、硅酸盐板、防水背衬板、橡塑胶水、泡沫玻璃、玻璃保温管、复合硅酸盐、泡沫玻璃弧形板、复合硅酸镁、耐高温泡沫、硅酸镁管壳、玻璃保温板、硅酸铝板材、硅酸盐防火板、硅酸镁保温板、泡沫玻璃板、泡沫玻璃管、纳米气凝胶毡、硅酸铝陶瓷纤维毯、改性泡沫玻璃管、屋面泡沫玻璃板、外墙泡沫玻璃板、Ⅱ型泡沫玻璃保温板
- 主营：胶粘剂、耐热强力胶、环氧树脂胶、强力粘合胶水、鞋胶专用胶水、珠宝专用胶水、AB胶水、工业结构胶、2014-2胶水、环氧强力胶、透明环氧胶、高强度环氧胶、柔性灌封胶、环氧胶粘剂、黑色环氧树脂色膏、强力AB胶、环氧树脂、环氧树脂AB胶、耐高温环氧结构胶、透明快固胶、爱牢达环氧胶粘剂
- 主营：PU胶、PP、U-PVC管材环保胶、PVC双组份包覆胶、水性胶水、冲浪板、滑雪板专用胶、道路反光贴专用胶、金属塑料注塑专用胶、氯丁胶(黄胶)、耐高温环保喷胶、泡沫胶、皮划艇专用胶、水性喷胶、水性汽车内饰胶、双组份汽车内饰喷胶、水性胶、油性胶、马鞍马具专用胶、单组份聚氨酯胶
- 主营：橡塑管、橡塑板、玻璃丝棉、橡塑专用胶水、硅酸铝、岩棉卷、白乳胶、不锈钢线绕滤芯、纳米气凝胶、消泡剂、滤芯、反渗透阻垢剂、热缩带、防火涂料、防火材料、硅酸铝针刺毯、一站式保温生产销售加工
- 主营：压花地坪、水泥压花地坪、冷拌沥青、胶粘石胶水、透水冷拌沥青、冷拌透水沥青、彩色冷拌沥青、胶粘石、透水混凝土、沥青改色、透水混凝土增强剂、胶粘石透水地坪、彩色防滑路面、露骨料透水地坪、Pc砖增强剂、压模地坪、透水地坪、修补砂浆、彩色路面、露骨料、透水混凝土罩面漆、透水混凝土胶结料、水泥路面修补料、水泥路面高强修补料、塑胶跑道、Epdm塑胶跑道
- 主营：243胶水、锁固剂、243螺纹锁固胶
- 主营：珍珠棉胶水、地保膜胶水、无卤胶水、PVC胶水、ABS胶水、EVA胶水、PET胶水、阀口袋胶水、头盔胶水、过滤棉胶水、立体画胶水、裱纸胶水、白乳胶、喷胶、强力胶
- 主营：电机轴、磨砂袋、陶瓷芯、树脂胶水、工业绝缘陶瓷、电阻器、连接器、陶瓷件、机陶瓷、纤插芯、陶瓷轴承、三环插芯、零件定制、通信线缆、环氧树脂、保温设计、高压绝缘、严选材料、陶瓷马达、陶瓷插芯、激光切割、绝缘耐磨、陶瓷绝缘件、电容器陶瓷、固定用陶瓷
- 主营：硅胶胶水、pp胶水、ABS胶水、PC胶水、尼龙胶水、无气味胶水
- 主营：密封胶、UV胶、硫化硅橡胶、UV光敏胶水、工业厌氧粘合剂、螺纹胶、瞬干胶、灌封胶、环氧树脂胶、uv无影胶、亚克力用无影胶、快速固化光敏胶、卡夫特强力AB胶、硅橡胶粘合剂、防霉硅胶、机械螺纹间隙密封胶、防水粘合剂、五金螺丝厌氧密封剂、硅酮胶、透明粘合剂、K942防霉胶、仪器仪表粘接胶、厨卫密封胶、耐高温厌氧胶、双组份胶粘剂
- 主营：制冰机、铝排管、大中型冷库、制冷工程专用胶水、8角速冻搁架、方管速冻搁架
- 主营：木工胶、热熔胶、包覆热、折边机专用胶水、pvc包覆胶、pvc护墙板、力无填料、装订热熔、木材类无、环保木工、pvc贴面胶、木工包覆胶、纸箱礼盒无、无填料包覆、木工封边胶、木门专用胶、环保无填料、无填料高温、纸箱礼盒包覆、高粘度无填料、高品质无填料、填料高温封边、家具木工封边
- 主营：聚乙烯亚胺、聚乙烯胺、PEI、压敏胶水固化剂、保护膜胶水固化剂、氮丙啶交联剂、碳化二亚胺交联剂、聚乙烯蜡乳液、印花催化剂、长效交联剂、绒毛手感剂、干滑手感剂、油滑手感剂、防真植物防粘剂、螺杆清洗料、抗水解剂、耐水解剂、碳化二亚胺抗水解剂、皮革交联剂、粉滑手感剂、丝滑手感剂、尼龙抗水解剂、聚氨酯抗水解剂、弱粘剂、聚乳酸抗水解剂