LOCTITE 5188 for flanged made of strong metals: high elasticity. Benefits: Ideally suitable for sealing all metal flanges, especially aluminum. It is recommended for use in critical units, has excellent chemical stability and high elasticity. Excellent adhesion. It sustains insufficient amount of oils on flange surfaces. Technical properties: Color: red. The operating temperature range: -50°C +150°C. Strength: medium. Polymerization: anaerobic.