Activity

I

pH-value (10 % suspension)

8.5 - 10.5

Substances extractable by water

≤ 0.2 %

Chloride (Cl)

≤ 0.004 %

Sulfate (SO₄)

≤ 0.1 %

Speed of filtration

≥ 0.3 ml/min

Particle size

70 % between 0.063 - 0.200 mm

Setting of activity according to the Brockmann activity grades adjusted to a migration distance of 30 mm:

I

activity I

II

activity II

III

activity III

IV

activity IV

V

activity V