Rubber Grates

Polycorp specializes in the design and manufacture of High Pressure Moulded Wear Resistant Rubber Grates.

These grates are manufactured with moulded rubber on a steel frame and chord reinforcement to provide strength and flexibility to resist pressure and localized impact of the grinding charge.

The rubber grates have tapered slots to minimize the plugging with near size particles.

Rubber grates are extensively used in AG / SAG & Primary ball mills. Polycorp regularly supplies rubber grates for mills up to 28 ft in diameter.

Advantages of Rubber Grates:

  • Efficient slurry flow through the grates due to their flexibility.
  • Minimised plugging by near size particles.
  • Lighter than steel grates.
  • Easy to install and safe to work with.


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