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Magnarok Cable Sealing Cement

Product Description

Magnarok Cable Sealing Cement provides an extremely dense, high-strength filler that seals all openings around electrical cables and positively prevents the transmission of flames, smoke and/or water through deck or bulkhead penetrations in marine applications.  It is a United States Coast Guard "accepted" cable sealing product for through-penetration fire stop designs. Magnarok Cable Sealing Cement is supplied as a dry powder that when mixed with water achieves high early strengths, slight expansion and long term non-shrink properties.

Features and Benefits

  • Expands as it hardens to prevent passage of smoke, flames and/or water.
  • Quick setting formulation allows for cable installation within 4 hours after initial mixing.
  • Easy to use - requires only the addition of water.
  • Unaffected by extreme weather exposure.
  • Immune to erosion by water even under constant immersion.
  • Versatile formulation allows for placement at pourable to stiff consistencies.
  • Capable of withstanding 150 feet of hydrostatic pressure.

Typical Applications

  • Sealing of electrical and communications cable penetrations through decks and bulkheads in marine applications
  • Sealing of pipe and electrical cable penetrations through floors and decks of all types


Safety Data Sheet - Request Current SDS

Technical Data Sheet

Click on a file to download.

Magnarok Cable Sealing Cement_TechData (pdf)Download

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Manufactured in Cleveland, OH since 1908