High pressure grinding roller (HPR)is used for large-scale size reduction of rocks and ores. They use acombination of abrasive materials. The main advantage of HPR is that they havethe ability to grind very hard and thick materials and generate very littleheat. They also can be used to remove small particles from slag. They have theability to grind on the flat top of the material or at the base, depending uponthe type of material being processed.
Highpressure grinding roller (HPGR) work can be used for cutting rough materials such aslimestone, dolomite, granite, limestone, sandstone, quartzite, etc. They canalso be used for coining and other abrasive finishes on slabs. They can be usedon any kind of substrates including cement, rocks, gravel, etc. Theapplications of high pressure grinding rollers are numerous in nature. Some ofthe common applications include pre-cast concrete forms, countertops, flooringoptions, slabs, pipelines, pipe fittings, roof trusses, floor tiles, handrails,railway couplings, etc.
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