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Cập nhật: 11/07/2017
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SPECIFICATIONS OF LOW QUALITY COAL FOR EXPORT

No.

Grade

Size mm

Oversize, % max

Ash (DB) % max

Total Moisture (ARB) % max

Volatile Matter (DB) % max

Sulphur (DB) % max

Gross Calorific Value (DB) Kcal/Kg min

1

Fine 4b. 3

< 15

10

23.01 - 27

8,5

5,5

1,75

5.700

2

Fine 5a.3

< 15

10

27.01 - 31

8,5

5,5

1,75

5.350

3

Fine 5b.3

<15

10

31.01 - 35

8,5

5,5

1,75

5.000



SPECIFICATION OF VIETNAMESE ANTHRACITE FOR EXPORT

Coal Grade TCVN 8910:2015

Lump Coal 4a.1

Lump Coal 5a.1

Lump Coal 2a.2

Lump Coal 2b.2

Lump Coal 4a.3

Lump Coal 4b.3

Lump Coal 5b.1

Lump Coal 5b.2

Fine Coal 1

Fine Coal 2

Fine Coal 3a.1

Fine Coal 3b.1

Fine Coal 3c.1

Fine 3b.2

Size (mm)

15-35

6-18

40-90

40-90

15-40

15-40

6-20

6-20

0-15

0-15

0-15

0-15

0-15

0-15

Oversize

10% max

10% max

10% max

10% max

10% max

10% max

10% max

10% max

N/A

N/A

N/A

N/A

N/A

N/A

Undersize

20% max

20% max

15% max

15% max

15% max

15% max

15% max

15% max

N/A

N/A

N/A

N/A

N/A

N/A

Total Moisture (as received basis)

5% max

5% max

5% max

5% max

5% max

5% max

5% max

5% max

8% max

8% max

8% max

8% max

8.5% max

8.5% max

Ash (on dry basis)

4.01-6%

5.01-7%

7-10%

10.01-13%

7.01-10%

10.01-13%

7.01-10%

10.01-13%

5-8%

8-10%

10.01-12%

16-19%

16-19%

13-15%

Volatile Matter (on dry basis)

7% max

7% max

5% max

5% max

5% max

5% max

5% max

5% max

8% max

8% max

8% max

8% max

8% max

5% max

Sulfur (on dry basis)

0.6% max

0.6% max

1.2% max

1.6% max

1.2% max

1.2% max

1.2% max

1.2% max

0.6% max

0.6% max

0.6% max

0.6% max

0.6% max

1.2% max

Calorific Value (on dry basis)

7,901 kcal/kg min

7,901 kcal/kg min

7,150 kcal/kg min

6,700 kcal/kg min

7,150 kcal/kg min

6,700 kcal/kg min

7,150 kcal/kg min

6,850 kcal/kg min

7,801 kcal/kg min

7,601 kcal/kg min

7,401 kcal/kg min

6,751 kcal/kg min

6,751 kcal/kg min

6,601 kcal/kg min

Fixed Carbon (on dry basis)

87% min

86% min

85% min

82% min

85% min

82% min

85% min

82% min

84% min

82% min

79% min

73% min

73% min

80% min


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