Stone-Sil 800 is a penetrating Nano-Lithium® treatment for marble, natural stone, terrazzo and polished concrete surfaces formulated specifically for surfaces which has been ground and polished upto 800 grits. Environmentally friendly treatment also reduces efflorescence, abrasion resistance and reduces dusting. Field of Application: For the treatment of ground and polished absorbent marble, natural stone, lime stone, sandstone, granite or concrete.