Specific surface area (N2) Multipoint
180m2/g
DOA absorption1)4)
225ml/100g
Particle size,d50 Laser diffraction
4.5μm
Loss on drying 2h at 105℃
≤7.0%
PH value 5% in water PH
6.5
Sieve residue 45μm spry
≤300ppm
Electrical conductivity 4% in water
≤1300μs/cm
Tamped density not sieved
70±25g/l
Loss on ignition 2) 2h at 1000℃
≤6.0%