Corsa Hybrid Pad with Velcro Grit:200-Grit The lithium silicate (LS) penetrates

The lithium silicate (LS) penetrates deeper than potassium and sodium silicates and is much less likely to blush

If concrete sand mix is hard to find in your area

These changes can be created by efflorescence

The magnesium surface is ideal for screeding concrete

Direct Drive

Corsa Hybrid Pad with Velcro Grit:200-Grit The lithium silicate (LS) penetratesThe new Corsa hybrid discs are designed for scratch removal and transitioning from metal to resin tools, and are similar to Calibra but the ceramic bond has been modified for more efficient use and improved life on soft and medium concrete. Suitable for all types of concrete. Offered in 30, 50, 100, and 200 grit.