parameter

programme

Quality  indicator

1

Physical 

and

chemical

indicator

Diameter mm

Diamonds charcoal

22

26

33

35

38

40

45

50

Thickness (mm)

12.5

11-11.5

12.5-13

10-10.5

12.5-13

12.5-13

12.5-13

13.5-14

13.5-14

Weight

(g)

5.0±0.2

3.0±0.2

5.0±0.2

6.6±0.3

8.5±0.2

11.5±0.3

12.5±

0.3

14.5±0.3

17-18

Ignition

(s)

18-20

15-20

18-22

40-50

18-22

40-50

40-60

50-70

50-70

Burning time (min)

40-50

30-40

40-50

50-60

50-60

60-70

60-70

75-80

80-85

humidity%

≤5

Volatile material%

≤23.1

ashen%

≤13.5

Surfur content%

≤0.01

Fixed carbon content%

≥60.61

Calorrific power

(J/KG)

6500

density(g/cm3)

≥0.82

components

Quality charcoal,fruit charcoal and additive