Item

Value

Method

Carbon Content  %

≧98

GB/T 4102

Iodine Adsorption g/kg

16±2

GB/T 3780.1=ASTM D1510

45μm Sieve Residue, mg/kg

≤500

GB/T 3780.21=ISO 1437

Heating Loss %

≤1.0

GB/T 3780.8=ISO 1126

Ash  %                   

≤0.5

GB/T 3780.10=ISO 1125

Impurity

none

GB/T 3780.12

Characteristics

Natural gas made,high carbon content,high purity and low sieve residue.

Good processability,good chemiacla stability, good heat conductivity,and endurance,good lubrication and friction reducing,good anticorrosion.

Used as material of electric conduction and electric resistance