polycom® high-pressure grinding rolls (HPGR) from thyssenkrupp Polysius bring energy-efficient, low-wear comminution to hard-rock mining – cutting power and wear-part costs while delivering dependable performance across copper, gold, iron ore, platinum and more.

Engineered for concentrators, polycom® handles dry or moist feed from ~1–75 mm with high throughput and a compact footprint that fits easily into new builds or plant upgrades. The HPGR product contains more fines and beneficial microcracks, improving downstream grinding and boosting heap-leach recovery; as a pre-grinding stage it can raise plant capacity and reduce total grinding energy, while rugged roll surfaces ensure long service lives.