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This Jobsite video demonstrates the effect of 400 grit honey comb flexible polishing pad continuing overlay concrete floor polishing. 

 

This Jobsite video demonstrates the effect of 200 grit honey comb flexible polishing pad continuing overlay concrete floor polishing.

This Jobsite video demonstrates the effect of 100 grit honey comb flexible polishing pad continuing overlay concrete floor polishing.

This jobsite video and photo show you the 5" flexible polishing pad working on overlay concrete floor.

Big hex honey comb design is for dry polishing and quick stock removal

Check out how to quickly pulverize heavy urethane cement covered floor I’m by running the Bush Hammers on Lavina grinding machine.
min the meantime you can clearly see the comparison The look between by applying segmented diamond discs and carbide tipped bush hammers

This video shows you how the grinding the new poured concrete surface looks like.

Proper diamond tools applied are important.

Hard concrete floor grinding by using 7" cup wheel with vacuum pipe. 

30/40 grit diamond for coarse preparation

Grinding aggregated soft concrete floor should using soft or super soft bond diamond tools in order to effective work out the surface and save the longevity of diamond tooling, though it still usually consumed more and faster than prepping the regular hardness of concrete floors.

How to properly cope with soft concrete floor with aggregates? 

Grinding soft floor may consume more diamond tools than normal floors due to lack of cement to bond and sand exposed. The floor becomes abrasive  

Resin diamond flexible polishing pads with velcro back are widely used on handheld angle polishers for different applications such as concrete, terrrazzo & masonry floors, and natural and & artificial countertops.

Different sizes available. 7 step shiny process from coarse to honed to mirror shine.

30/40 Hard Bond Trapezoid Diamond Grinding Tool Double Bar For Soft Concrete Floor Preparation. 

This photo shows the remaining diamond segment after grinding 3k sq floor. It's 1mm off the original thickness 10mm. 

As You Can See: Long Duration and Aggressive. 

Using coarse grit 16/20 to quickly and effectively open the floor.

When move slower, as you can see more dust produced.