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SAG Mill Liners

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Multotec SAG mill liners use rubber composite components to provide impact and wear resistance in all semi-autogenous milling applications.

Multotec uses specialised MilTraj software when designing your SAG mill liners. This ensures that the liner is appropriate to the mineral being processed as well as its wear rates!

We have supplied some of the world’s largest trommel screens including two SAG mill liner trommels 5 050 mm in diameter by 5 088 mm long with feed rates of 3 400 tons per hour!

Features of our SAG mill liners:

  • Steel inserts create high impact resistance
  • Specialised rubber absorbs impact energy
  • Rubber grates ensure a good throughput
  • Minimal blinding of the apertures
  • MultoMet and HD MultoMet liners available  

SAG mill liners designed for your application! Optimise your plant processes – complete the enquiry form and a consultant will contact you.


Our SAG mill liners are custom designed to your application requirements. In applications that feature large ball and feed sizes as well as with large mill diameters, Multotec supplies MultoMet or HD MultoMet SAG mill liners and heavy-duty grate plates.

The MultoMet range includes ‘Hardox 500’ wear-resistant steel. This steel is fitted to the leading edge of the lifter bars and is embedded into the shell plates and head plates. This range of SAG mill liners improves impact and abrasion resistance.

The HD (Heavy Duty) MultoMet lifter bars include castings into the lifter bars that enable optimum H2A (Height-to-Angle) in the mill. These lifter bars also protect the top face of the lifters for maximum life.

Our SAG mill liner components include:

Grate Plates:

Grate plates are available in a range of aperture sizes and configurations. Internal frames are designed for different SAG mill loads, and semi-overflow designs control the pulp level in the mill.

  • Designed according to your application requirements
  • Internal frames are designed for your mill loads capacities
  • Semi-overflow designs control the pulp level in the mill
  • Different designs and configurations (such as a built-in MultoMet lifter bar) can be supplied on request

All Multotec SAG mill liners are designed by combining computer simulation data and inspection data to optimise charge trajectory and wear life. Find out about our tailored solutions here


Multotec’s continuously invests on making its mill liners lighter, more efficient and more cost-effective. To this end, we’ve invested in mill trajectory modelling software.  

This software allows us to predict the influence of mill liner design on the trajectory of grinding media; and to analyse the wear rates of liners according to the mineral being processed.

This provides Multotec with a fundamental guideline when designing your SAG mill liners.

Optimise charge trajectory and wear life with Multotec’s rubber SAG mill liners!

Regional Availability

This is available to the global market, except for Australia, New Zealand and South East Asian markets.

Increase product life and reduce downtime with Multotec's mill and scrubber linings

In the News

Mato Builds On 30 Years In SA To Grow Range, Footprint (March 2018)

Wth three successful decades of supplying mining and industrial customers in South Africa, Multotec Group company MATO Products is set to spread its wings in terms of both its product range and its southern African footprint.


Speak to a Multotec consultant today about how we can manufacture
a performance-enhancing process solution for you!