KF 604 – MRO 5003

Avaiability: In Stock
SKU: MRO 5003

‘MRO 5003 – KF 604’ is a Single Component non – combustible Asbestos free fire stop barrier designed for 3 (three) hour fire rating.

  • Quick-setting
  • Can be used in horizontal or vertical applications
  • Saves time
  • Versatile
  • Single Component & simple mixing
  • No effect due to vibration, impact and radiation
  • Mechanically strong and can bear drop loads
  • Maintenance free
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Permanent fire seal for cables, cable trays and non-combustible pipes.


Concrete and masonry assemblies.

Walls and floors rated up to 3 hours.



Large openings containing multiple steel, conduit and EMT pipes ( Electrical Metallic tubings).

Large openings with single or multiple cable tray applications.

  1. Quick-setting
  2. Can be used in horizontal or vertical applications
  3. Saves time
  4. Versatile
  5. Single Component & simple mixing
  6. No effect due to vibration, impact and radiation
  7. Mechanically strong and can bear drop loads
  8. Maintenance free

25 Kg Bags


Clean penetration. Pre-moisten sides of penetration.

Important! First add clean water to separate container. Then slowly add ‘MRO 5003 – KF 604’ to water while stirring by hand or power mixer to ensure smooth, lump-free mix.

Work prepared mortar into opening by troweling or pouring (more water to be added than troweling). Use forms for large openings.

Read instructions on the container label of the product before use. The product safety data sheet (SDS) contains the relevant information regarding PPE, safe use, and physical & health hazards. Safety data sheet is available from MRO INFRA or your local MRO INFRA Channel Partner.


12 months if stored in covered area. Bags exposure to moisture greatly reduces the shelf life.

All used and unused product should be disposed of in accordance with state regulations.

The information and data contained in this sheet is accurate to the best of our knowledge or is obtained from sources, tests or experiences believed by us to be reliable and accurate. User is responsible for determining whether recommended MRO INFRA product is fit for a particular purpose. All products should be tested for suitability on a particular application prior to actual use. We make no representations of any kind. Data offered without warranty.

Additional information



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Available Packaging

Packaging Type

Shelf Life



Effect on

Water Absorption

Fire Rating

Vibration Test

Rodent / termite


Click to Download TDS: MRO 5003 – KF 604


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