LOCTITE® SF 7091 is a reactive monomer-based primer that rapidly cures at room temperature accelerating the bonding of anaerobic adhesives and sealants and improving their bond durability. It is recommended for thread locking, pipe and thread sealing, retaining, and gasketing applications.
LOCTITE® SF 7091 is a blue-green activating primer designed to accelerate the curing of anaerobic adhesives and sealants under low-temperature conditions. It is formulated free of solvents with a reactive methacrylate monomer solvent, ideal for thread locking, pipe and thread sealing, retaining, and gasketing applications. LOCTITE® SF 7091 easily bonds to difficult materials, such as galvanized steel or zinc electroplated surfaces, increasing bond integrity and increasing service life. LOCTITE® SF 7091 can also be used to fill large bond gaps and provides a fixture time of 4 minutes.
Appearance: Blue liquid
Specific Gravity @ 25°C: 1.03
On Part Life, hours: ≤1
Fixture Time, ISO 4587, minutes (steel): ≤4
Slow cure speed of LOCTITE® anaerobic products
Poor adhesion to difficult to bond materials
Coating difficult materials, such as galvanized steel or zinc electroplated surfaces
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