Super Quality Recycled Carbon Black for tyre making

Inspection Item

Measured value

Test standard

Targeted value

Iodine absorption value

gkg

129

GB/T3708.1-2006

82±7

DBP absorption value

10^-5m³ kg

85

GB/T3780.2-2007

102±7

CTAB sorption ratio superficial area 10³m²/kg

50

GB/T3780.5-2008

73~91

nitrogen sorption ratio superficial area 10³m²/kg

54

GB/T10722 -2003

71~85

Weight loss on heating(125°C)

%

0.7

GB/T3780.10-2002

2.5

Ash(825°C)

%

23.1

GB/T3780.8-2008

0.7

500 μm screening

%

0.0000

GB/T3780.21-2006

0.001

45 μm screening

%

3.254

0.100

pH value

8.5

GB/T3780.7-2006

Impurity   %   non

non

GB/T3780.12-2007

non

volatile component

7.6

GB/T7047-2006

300%modulus Mpa

-8.6

GB/T3780.18-2007

-0.9±1.6

Tensile Strength

Mpa

-11.7

-0.25

Maximum elongation   %

-10

-20

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