Overview
Fish glue, historically known as isinglass, is a protein-based adhesive extracted from the swim bladders or connective tissues of fish, primarily sturgeon or cod. It has been used for centuries due to its strong bonding properties and reversibility. Unlike synthetic adhesives, fish glue is valued in specialized applications like antique restoration or musical instrument making where reversibility and compatibility with organic materials are critical. Modern production methods ensure consistent quality while retaining traditional benefits.
Physical and Chemical Properties
Fish glue forms a gel when cold and liquefies when heated above 40°C (104°F). Its adhesive strength ranges from 3,000 to 5,000 psi, comparable to hide glue but with faster tack development. The glue's pH is typically neutral (6.5-7.5), minimizing corrosion risks on metals. Its water solubility allows for easy cleanup and adjustment during application, though this requires controlled humidity in finished products.
Main Applications
In woodworking, fish glue is preferred for veneering and marquetry due to its slow curing time that allows repositioning. Lutherie (string instrument crafting) uses it for its acoustic properties and reversible joints. Conservationists select fish glue for paper and textile restoration because it ages without discoloration. Industrial applications include labeling in breweries (where synthetic adhesives might affect taste) and as a binder in fine pigments.
Safety and Storage
As an organic product, fish glue requires refrigeration if stored long-term in liquid form. Powdered variants last 2-3 years in airtight containers at room temperature. While generally safe, workshops should maintain ventilation when heating glue to avoid protein fume inhalation. Cross-contamination with food must be prevented despite non-toxicity, as it remains an animal-derived product.
B2B Procurement Guide
Industrial buyers should specify: 1) Bloom strength (gel firmness, ideally 200-300g for most uses), 2) Microbial testing certificates for conservation-grade products, and 3) Viscosity ranges matching application methods (brushing vs. spraying). Bulk purchasers can negotiate 10-15% discounts for orders exceeding 100kg. Consider suppliers offering customized melting points or additive-free formulations for sensitive applications.
Related Manufacturers
- 主营：玻璃瓶、酒瓶、酱菜瓶、化妆品瓶、食品包装瓶、胶囊瓶、香薰瓶、饮料瓶、橄榄油瓶、燕窝瓶、储物罐、蜡烛杯、膏霜瓶、洗手液瓶、喷雾瓶、咖啡瓶、奶瓶、水杯、精油瓶
- 主营：兽药包装机、颗粒包装机、粉剂包装机、鱼胶粉包装设备、液体包装机、多列包装机、颗粒灌装机、液体灌装机，、粉剂灌装机、二维码采集系统、全自动包装流水线
- 主营：梨膏瓶、枸杞罐、储存罐、剁椒瓶、泡菜瓶、罐头瓶、麻油瓶、腐乳瓶、精油瓶、组培瓶、包装瓶、白酒瓶、果酒瓶、膏滋瓶、走珠瓶、酱菜瓶、果酱瓶、储物罐、酸奶杯、药粉瓶、培养瓶、香油瓶、酵素瓶、药膏瓶、豆腐瓶
- 主营：酒瓶、蜂蜜酱菜瓶、化妆品瓶
- 主营：木盒子、卷木盒、漆木盒、鳘鱼胶木盒、包装盒、牌定做、木奖牌、皮木盒、钛合金、粉木盒、礼品盒、实木盒、u盘木盒、白茶木盒、雪菊木盒、镂空木盒、印章木盒、金线礼盒、玉石木盒、包装木盒、毕业证书、漆盒木盒、黑茶木盒、书画木盒、金币木盒、海参木盒
- 主营：即食花胶、即食燕窝、鲜炖燕窝、燕窝鱼胶、即食鱼胶、炖燕窝oem、奶冻贴牌、炖燕窝定制、自热炖汤、碗装原味奶冻、溯源燕窝羹、炖浓缩燕窝、炖燕窝贴牌、燕窝贴牌代工、即食鲜食花胶、碗装燕窝贴牌、滋补药膳汤、自热花胶汤
- 主营：甘氨酸、胍基乙酸、牛磺酸、鱼胶原蛋白肽厂家、沙蒿胶、黄原胶、卡拉胶、瓜尔豆胶、半胱氨酸、氨基丁酸、L-精氨酸、食品级亚硫酸氢钠、苯丙氨酸、谷氨酰胺、酪蛋白酸钠、胱氨酸、色氨酸、肌酸、富硒酵母、富铬酵母、氯化胆碱、魔芋粉、可可粉、L-抗坏血酸/vc、亮氨酸、干酪素/酪蛋白
- 主营：威兰胶、古尔胶、L-精氨酸、瓜尔胶、L-抗坏血酸、瓜尔豆胶、甘氨酸、半胱氨酸、维生素C/vc、核黄素(维生素B2)、胍基乙酸、牛磺酸、L-蛋氨酸、L-半胱氨酸、L-半胱氨酸盐酸盐、工业级VC、L-谷氨酰胺、L-苯丙氨酸、DL-蛋氨酸、L-丙氨酸、酪蛋白酸钠、酪蛋白/干酪素、海藻酸钠/海藻酸钠、硒代蛋氨酸、烟酸/烟酰胺
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、鱼胶原蛋白粉厂家、L-蛋氨酸、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素C、维生素D3、维生素E、D-生物素、阿拉伯胶、刺槐豆胶、瓜尔豆胶、果胶 高酯果胶 低酯、海藻酸钠、黄原胶、结冷胶 低酰基结冷胶、聚丙烯酸钠、卡波姆
- 主营：棕色啤酒瓶、玻璃啤酒瓶、玻璃饮料瓶、鱼胶瓶、管制瓶、溶剂瓶、营养液瓶、精油瓶、异形瓶系列、药瓶系列
- 主营：包装盒、包装礼盒、礼品包装、鱼胶包装盒、月饼礼盒、新年礼盒、茶叶盒、化妆品盒
- 主营：益生菌、麦芽糖浆、制冷设备、生物肥料、电镀助剂、地面外墙、涂料工业、焦糖色素、抗静电剂、去污能力、氨基酸原粉、农用叶面肥、建筑添加剂、种植有机肥、粘合抛光剂、微生物菌剂、磷酸二氢铵、洗涤纺织剂、枯草芽孢杆菌、木屑颗粒燃料
- 主营：枸杞粉、抑甜剂、海藻糖、蓝力鱼胶原蛋白肽、香葱粉、南瓜粉、白砂糖、魔芋粉、瓜尔豆胶、低酯果胶、甜菊糖苷、低聚果糖、结晶果糖、抗氧化剂、异抗坏血酸、微晶纤维素、低聚麦芽糖、大豆低聚糖、脱氢乙酸钠、甲基纤维素、预胶化淀粉、抗坏血酸钙、液体甜味剂、复合稳定剂、二氢查耳酮、粉末增稠剂
- 主营：燕窝代加工、花胶代加工、即食燕窝、即食鱼胶加工、鲜炖燕窝、即食花胶、燕窝oem、花胶oem、玻尿酸饮品加工、代加工
- 主营：加药箱、储水桶、甲醇罐、复配罐、反应釜、搅拌罐、溶液箱、养殖桶、加药罐、搅拌桶、溶药罐、酸洗罐、储酸罐、pe水箱、pe储罐、pe水塔、pp储罐、pph储罐