The Grind

The Substrate Technology STI-3030 Prep/Master grinder is ideal for polishing products greater than 10,000 sq. ft. and has a mastic removal rate of 500 sq. ft. per hour. Its cleaning path is 28 ft. by 56 ft., and the machine runs on a 30 hp., three-phase motor. The STI-3030 has a concrete polishing...

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