1.Nano finish(super glossy) or normal surface; 2.Size 50x50cm; 3.Water asorption:<=0.3% 4.ISO13006. Size: 50x50cm;First choice,grade AAA;Water absorption:<=0.3%.

Test item	GB/T4100.1-2010	Test result
Length tolerence	Length	599.7~600.0
Side straight	±0.2	-0.04~ +0.05
Right angle	±0.2	-0.05~ +0.04
Surface Flatness	Center curvature	-0.04~+0.04
Surface quality	A minimum of 95% of the tiles shall be free from visible defects.	No visible defects
Water absorption	Mean value E≤0.5	0.08
Breaking pressure	When the thickness is ≥7.5mm, the average shall be ≥1300	1764.6
Modulus of  rupture	Mean value≥35	37.2
Luster degree	≥ 55	70-73
Abrasion resistance	≤ 175	131
Resistance to frost	No crack or peeling.	No
Resistance to Household Chemical Reagent	Not lower than UB level	UA level
Resistance to Chemical of swimming pool	Not lower than UB level	UA level

soluble salt