polished porcelain tile (Soluble Salt Tile)1.size:600x600mm,800x800mm2.Material:polished porcelaintile3.Water absorption:less than 0.1%4.Finish: super glossy, polished5.packing:Carton packaging, with wooden pallets seaworthy 9mm,4pcs/ctn,30kgs/ctn6.Minimum quantity: 1X20'GP containers.7.Delivery: 15-20 days after receipt of T/T. 8.Payment: 30% deposit by T/T before production, 70% remaining balance by T/T before loading; or at sight L/C. Good quality and better price forpolished porcelain tilemore designs&colors forpolished porcelaintiles are available Followingis the quality standard of our Polished Porcelain tilePorcelain Tile's QC Standard SheetItemProduct StandardOur StandardWater AbsorptionGB/T4100-2006≤0.1%Breaking StrengthGB/T4100-2006≥1800NRupture ModulusGB/T4100-2006≥40MPaLengthGB/T4100-2006±0.1%WidthGB/T4100-2006±0.1%Surface SmoothnessGB/T4100-2006±0.15%Edge StraightnessGB/T4100-2006±0.15%SquarenessGB/T4100-2006±0.15%Wearing StrengthGB/T4100-2006≤160mm3Linear Thermal Expansion CoefficientGB/T4100-2006<7*10-6K-1Thermal VersatilityGB/T4100-2006MatchFrost Resisting PropertyGB/T4100-2006MatchGlossinessGB/T4100-2006≥60RadioactivityGB6566-2001.Kind AIra≤0.4Ir≤1.3