Detailed Description  Test subject Technical requirements Test results Test values Unit conclusion 1 Density(g/2) ≥1.2 1.52 Qualify 2 Softening point () 90~125 107 Qualify 3 Color and appearance of coating film After drying , no wrinkle, spot , falling off, sticking to the wheel .And the color and shape of coating has not large differences to standard plate Meet the demands Qualify 4 Drying time of not sticking to wheel(Min.) ≤15 9 Qualify 5 Color features white Color coordinate(x,y) In the quadrangle consisted of the following four side coordinate (0. 350,0.360);(0.300,0.310) (0.290,0320);(0.340,0.370) X:0.310 Y:0.0328 Qualify Brightness factor ≥0.75 0.81 Qualify yellow Color coordinate(x,y) In the quadrangle consisted of the following four side coordinate (1. 350,0.360);(0.300,0.310) (0.290,0320);(0.340,0.370) Brightness factor ≥0.45 6 Compression strength (Mpa) ≥12 20.1 Qualify 7 Anti-abrasion (mg) (200r/1000g reduce weight) ≤40(JM-100 rubber grinding wheel ) 27.0 Qualify 8 Anti-watering No abnormal phenomenon dunking in water for 24h Meet the demands Qualify 9 Anti-alkali No abnormal phenomenon dunking in calcium hydroxide saturated solution for 24h Meet the demands Qualify 10 Content of glass beads 18~25 21.8 Qualify 11 Flow resistance  35±10 39 Qualify 12 Low temperature Anti-cracking of coating layer Keep 4h in -10 ,and lay 4h in normal temperature as a circulation .And continuously do three circulations , no crack Meet the demands Qualify 13 Heating stability Keep 4h in 200~220in agitating condition, no obviously yellowing, burnt , blocked Meet the demands Qualify A .Sample has soft features .The test results is the value of that the sample is pressed to the 80%height to the original height