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Loctite MR 5972 200 g gray, viscous, one-component sealing compound, high temperature resistant up to 315 ° C, for sealing gaskets, threads and flange connections

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Price: €15.42 15.42
Net price: €12.53
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Loctite MR 5972 is a one-component gray paste, slow drying with high viscosity. Retains elasticity and flexibility. The product has a wide working temperature range from -45°C to +315°C. It can be applied to cork, paper, plastics and metal surfaces to seal the connection.


  • sealing of mechanical seals (paper, cork, etc.)
  • sealing of flange connectors
  • sealing of threaded connectors
  • heating systems
  • collectors
  • pipe connectors
  • steam installations
  • gearboxes, covers


  • the agent is characterized by reliability at high temperatures
  • shortens repair time
  • reduces the number of failures by compensating for relaxation in all mechanical seals and fills all micro porosities of the detail (most often metals), which increases the tightness of the entire detail.
  • resistant to many media including oils, fuels, lubricants and chemicals
  • seals installations with pressure up to 34 MPa


Technical data

Temperature resistance

-45°C to +315°C

Fixing time

from 3 to 5 hours

Maximum pressure in sealed installations

34 MPa

Instructions for use

  1. If possible, clean, degrease and dry the elements.
  2. Apply to both surfaces. Product can be spread with a spatula.
  3. After application, immediately connect both elements.
  4. Secure and press, tighten with the recommended torque.
  5. The fixture time is 3 to 5 hours.
  6. IMPORTANT! After the product has hardened, tightening is not needed,


The ideal way to store product is to leave it in closed containers in a cool and dry room at a temperature between +8°C and +28°C. The optimum temperature is the lower half of this range. Do not put the residues of the product back into the original container so as not to contaminate the remaining material in it.


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