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LOCTITE® 5127™
LOCTITE® 5127™ is a high-performance gasket maker designed by Henkel for various industrial and automotive applications that require superior flexibility. This methacrylate ester liquid sealer offers exceptional adhesion and sealing properties. Upon application, it forms a strong, durable seal, effectively preventing leaks and resisting a wide range of automotive fluids, including oils, fuels, and coolants.
LOCTITE® 5127™ is a versatile methacrylate ester gasket maker specifically engineered to provide a tough, resilient seal preventing leaks and fluid intrusion. This anaerobic sealer cures in the absence of oxygen between mating metal flanges, exhibiting excellent resistance to solvents and extreme temperatures ranging from -65°C to 300 °C. Its superior flexibility allows the seal to flex with flange movements commonly caused by vibration, pressurization, or thermal changes, improving flange-sealing reliability and overcoming the shortcomings of precut and conventional gaskets. Its high versatility allows it to bond to various materials, including metals, plastics, glass, ceramics, and painted surfaces. It is recommended for making gaskets for housings, pumps, gear cases, axle covers, split crankcases, and other areas where conventional gaskets are used. LOCTITE® 5127™ can also be used to repair or coat damaged gaskets.
Specifications
Chemical type: Methacrylate ester Appearance (uncured): Blue paste Cure: Anaerobic Application: Sealing Specific gravity @ 25°C: 1.1 Viscosity, Brookfield - HBT,22°C,mPa·s (cP): Spindle TC, speed 0.5 rpm: 225,000 to 575,000 Spindle TC, speed 5 rpm: 65,000 to 175,000 Tensile strength, ISO 527-3 N/mm² (psi): 1.7 (240)
Primary Chemistry: Methacrylate ester
Features & Benefits
Anaerobic adhesive Gasket maker Excellent flexibility Methacrylate ester acrylic paste Improves flange-sealing reliability Excellent temperature resistance Flexes with flange movements caused by vibration, pressurization, or thermal changes Temperature resistance of -65°C to 300 °C Cost-effective Easy application Seals all surface gasket imperfections
Problems Solved
Leaks caused by vibration, pressurization, and thermal expansion Poor adhesions to plastic substrates, glass, ceramics, or metals Gasket compression set and bolt loosening Breakdown of sealant in the presence of high temperatures or chemicals Shortcomings of precut and other formed-in-place chemical gaskets Damage to conventional gaskets
Applications
Making gaskets for pumps, housings, axle covers, and more To repair or coat conventional gaskets Rigid assembly gasketing
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