TILE & STONE NEPAL Style Number CS53J CS52J CS54J CS55J Construction porcelain porcelain porcelain porcelain Tile Type floor tile floor tile bullnose mosaic Tile Size 18" × 18" 13" × 13" 2.75" × 13" 13" × 13" × 2" Technical Wear Rating Group 4 4 4 4 407 407 NA NA Water Absorption % < 0.50 < 0.50 < 0.50 < 0.50 DCOF Break Strength > 0.42 > 0.42 > 0.42 > 0.