1 )high quality products. &competitive price 2)Excellent flocculant; 3)Lower dosage,High efficient Specfications:Industrial Grade Al2O316%min17% minFe0.45% max0.5% maxph value3.0min3.0minWater Insolubles0.15%max0.15%maxGrain size:15mmmax2---5mm Water treatment Level ITEMSTANDARDAl2O3,%≥1617Fe, %≤0.70.7Ph value,≥3.03.0As, %≤0.00050.0005Pb, %≤0.0020.002Water Insolubles, %≤0.150.15Grain size,≤15mm2 ...