Porcelainrustic floortile ItemNo.: WB6823A Size: 60x60cm, 80x80cmProducts Features:1. Full body vitrified porcelainmaterial fired under high temperature of 1200C.2. Water absorption less than 0.5%.3.Nano tech on surface withexcellent ability of dirty-proof and super glossy.4. High hardness, high strength and high antiwearing ability.Technical DataNo.Test ItemUnitTechnical RequirementsTest Result1Size and DifferencemmLength600±1.0600.2 600.52Side straight(%)±0.2-0.04 +0.033Right angle(%)±0.2-0.04 +0.054Surface Flatness(%)Center curvature±0.2+0.04(%)Warpage±0.2-0.03(%)Side Curvature±0.2+0.045Surface Quality (Excellent class)---No distinct surface defects of more than 95% of the tiles can be found by inspection at a distance of 0.8 meter above the tile surfaceConformed6Water Absorption(%)Mean value ≤ 0.5 Single value ≤ 0.60.1 0.09 0.17Breaking strengthNWhen the thickness is ≥ 9.5mm, the mean value shall be ≥13501635.88Modulus of ruptureMpaMean value ≥ 35 Single value ≥ 3239.0 37.1 40.09Resistance to thermal shock---No burst and crack appear after the test of resistance to thermal shock 10 timesConformed10Luster degress---≥ 5557 5911Abrasion resistancemm3≤ 17514712Resis to household chemical reagent---Not lower than UB levelUA level13Resistance to Acid---Grade after being dipped into 3% Hydrochloric Acid for 12 daysULA level14Resistance to alkali---Grade after being dipped into 30g/L potassium hydroxide for 12 daysULA level15Thickness9.0 - 11mm