1) SiO2 (dry)      99.9%
  BET (m/g)      290-300
  BDP (m3/g)     320
  Hole diameter    1.8-20
  PH             6.8-7.1
  Grain diameter    3um
  Specific gravity    0.13
2) SiO2(dry)     96%min
   Evaporation loss105x2hs          5.0-8.0%
   Ignition loss (dry) 1000x2hs     5.0-6.0%
     BET specific area/g             160-180 min
   DBP (ml/100g)                   260-330 min

appearance:White granular, power
Packing: 25kg in net PP bag, 20MT in the 20'FCL