M90: All Purpose Fast Set Mortar
M90 is ideal for bedding access covers and general repairs. This general purpose mortar conforms to HD27/04, and a rapid strength gain and can be opened to traffic in 90 minutes.
Workability: 5 – 10 minutes
Set time: 20 minutes
Depth: 10mm – 75mm
21N/mm² compressive strength in 2 hours
Approved for use on the London Underground and Overground
Sizes: 25kg bag or bucket