1. CHEMICAL COMPOSITION

Humidity

0.5

%

Volatile

0.25

%

Ashes

0.61

%

Sulphure (s)

0.05

%

Carbon (C)

99-99.2

%

2. GRANULOMETRIC DISTRIBUTION: 0 - 3 mm

> 3 mm

0

%

2-3 mm

10-20

%

1-2 mm

10-25

%

0.5-1mm

10-30

%

0.3-0.589mm

10-25

%

0.1-0.3mm

10-20

%

<0.1mm

 5

%MAX