1.Both Face Natural Or Top Face Natural Backside Calibrated 2.Color:Black 3.All standard dimensions are available Can be made according to customers requirements 4.Regular reference size: 305 x 305 x 10mm, 457 x 457 x 10mm 610 x 305 x 10mm, 610 x 406 x 10mm 600x300,600x600,400x400,300x300 etc. 5.Regular reference thickness: 1.0/1.2 /1.8/2.0/3.0 etc. 6.Volume density:3.3g/cm3 7.Water absorption:0.09 8.Finish: polished,honed,bush bammered, flamed, sandblasted, spit, mushroom, etc. 9.Packing: Seaworthy Professional wooden crate packing 10.Payment: L/C at sight or T/T. 11.Delivery Time: Depend on the quantity 12.Remarks: Technical data is provided for reference only,data variation may subject to condition change.