CBFS (Carbon Black Feed Stock) is manufactured by Thermal cracking of Naptha at Reliance Hazira Plant.

Typical Quality

Parameter

• Density@ 15`C     -->           
• Flash Point , `C     -->
• Viscosity , Cst @ 100`C -->
• Gross calorific value  -->
• Total Sulphur % max.  -->

Typical Value

• 0.98 - 1.02
• > 66
• 8-10
• 10300 kcal/kg
• 0.3

Carbon Black feed Stock ( CBFS) is primarily used for manufacture of Carbon Black , CBFS can also be used as a fuel , particularly fro boiler operations and in combination with other fuels such as F.O./LSHS and other similar fuels in the same category . 

CBFS can be stored in mild steel tankers / tanks and requires "class C" petroleum storage license.

No.

PROPERTY

FURNACE OIL

LSHS

CBFS

1.

Specific Gravity

0.92

0.90 - 0.94

0.98 - 1.02

2.

Viscosity , Cst

80-370 @ 50 deg C

7 - 14 @ deg C

8 - 10 2 RT

3.

Total Sulphur , wt %

3.5 - 4.5 %

1.0 % max

0.3 % max

4.

Pour Point , Deg. C

not available

57 Deg C , max

 < 20

5.

Mineral Matter - Na , k

not available

not available

10 ppm , 2 ppm resp.

6.

Ash content , % wt.

0.1 %

0.1 %

0.05 - 0.08 %

7.

Carbon content

83 %

not available

86 - 88 %

8.

Hydrogen content

11 -12 %

not available

8 - 9 %

9.

Oxygen , Nitrogen

not available

not available

traces

10.

Gross calorific value , kcal/Kg.

10,000

9,600 - 10,000

9,800 - 10,200

11.

Flash Point , Deg. C

> 66

>99

 > 66

12.

Storage Classification

Class C

Class C

Class C

13.

Acidity

not available

not available

Nil

14.

Moisture content , %

not available

not available

0.5 %

15.

Free water

1.0 % max.

1.0 % max

1.0 % max.