Loctite 587 belongs to the RTV (Room Temperature Vulcanizing) silicone line of Henkel – Loctite, specialized in sealing flanges, machine covers, engines in heat-resistant and oil-resistant environments.
🔹 Basic information about Loctite 587
Glue form: liquid silicone, dark gray, one-component, solidifies when exposed to air humidity.
Main applications:
Flexible flange sealing (replacing paper, rubber, kork gaskets…).
Used for engines, gearboxes, pumps, oil pan covers, valve covers, compressor flanges.
Specialized for environments in contact with oil, mild solvents, compressed air.
Characteristics:
Heat resistance from -65°C to +260°C (short-term up to 315°C).
Resistant to oil, coolants, mild solvents.
Resistant to vibration, expansion, pressure.
Non-corrosive to metal (sensor-safe).
Fast curing: thin layer on the surface in 10-15 minutes, completely cured after 24 hours.
Specification: 80 ml, 300 ml tube.
👉 Summary:
Loctite 574: suitable for hard metal flanges, small gaps.
Loctite 587: suitable for flexible flanges, requiring high oil & heat resistance, replacing traditional gaskets.













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