... -proof, alkali-resistant, corrosion-resistant, improving the hardness, abrasion resistance, compression strength and impact resistance of concrete completely. Construction technology:1.trowel ... unchangeable after 25 freeae-thaw cyclesAbrasion resistance(mm)≤31.3Compressive strength(28D)/Mpa≥35Rupture strength(28D)/Mpa≤7.6