Polyaspatic Tile Grout P-30 physical performance is much higher than epoxy tile grout, as we all know no matter what's kind of epoxy grout formulation, it will be yellowing soon and can not be durable outdoor. Polyaspatic Tile Grout P-30 is a revolutionary new technology to be no yellowing, no cracking and chalking, super weather resistance, named " Grout King ". What is the polyasparitc materials? Polyaspartic is premium anti-corrision and waterproof materials, usually polyaspartic materials applys in concrete and metal surface protection under terrible environment like windmill, heavy duty machine, offshore platform, rail concrete protection, swimming pool and roof waterproof, etc. It has super adhesion to tiles, ceramic tile, marble.