1.tile floor & wall 2.porcelain & vitrified 3.water absorption less than 0.2% 4.non-slip & easy clean 5.outside & inside... Test ItemTest StandardEuropean StandardNational Standard GB/T4100-2006 Average GJinduo CeramicsLengthGB/T3810.2±0.6%±1.0mm±0.5mmWidthGB/T3810.2±5%±1.0mm±0.5mmThicknessGB/T3810.2±5%±5.0mm±0.4mmEdge StraightnessGB/T3810.2±0.5%±0.2% or ≤2.0mm±1.0mmSqurenessGB/T3810.2±0.6%±0.2%or≤2.0mm Side>600mm,Edge Side Length or Diagonal Side Length≤2.0mm±1.0mmCentral Bending DegreeGB/T3810.2±0.2% or ≤2.0mm±0.1%Edge Bending DegreeGB/T3810.2Side>600mm,Convex,Convave±0.1%CamberGB/T3810.2≤2.0mm±0.1%Surface QualityGB/T3810.2At least 95% of the tiles have no surface defectsConformWater AbsorptonGB/T3810.3≤0.5%Average≤0.5%,Single≤0.6%≤0.2%Breaking StrengthGB/T3810.4≥27MPaThickness≥7.5mm,≥1300N1500NRupture ModulusGB/T3810.4≥27MPaAverage≥35mp,Single≥32mp Average≥38mp,Single≥35mpConformWearing StrengthGB/T3810.6<205mm2≤175mm2ConformHeat&Shake ResistanceGB/T3810.9ValidateWithout crack of flaw after themal shock resistance testConformFrost Resisting PropertyGB/T3810.12With EN178Without any flaw or peeling of the glaze through the anti-glaze flaw testConformFriction CoefficientGB/T4100-2006Average M0.5ConformStain ResistanceGB/T3810.14ConformResistance to Family Chemical ReagentGB/T3810.13Not lower that UB GRADEConformGlossinessGB/T13891≥55≥60