... .510.09.011.2RH=50%, % ≥29.028.023.029.2RH=90%, % ≥38.036.034.039.0Loss on heating, % ≤2.04.05 ... ,Ω.cm ≥3000----4200Silica, % ≥98*--98.5Qualified ratio of spherical granules, % ≥90*--92Size* *2-4mmBulk density, g/L* *788*.NegotiableNote: qualified ratio ...