国产精品成人久久小草_日韩一区三区四区在线_无码超级大爆乳在线观看_久久伊人成人无码_亚洲Av无码乱码观看富二代

Semi-graphitized carbon additive
  • Product standards

    YB/T 4403-2014

  • Package

    *Jumbo bag or ton bag

Technical requirement


Items to be testedIndicators to be achieved by test items
AppearanceGrayblack particle, honeycomb pore, no visible sundries
Granularity,0~2mm>2mm:≤10%
Fixed carbon content,% ≥98
Ash content,% ≤0.70
Volatile matter,% ≤0.50
Moisture,% ≤0.5
S,% ≤0.30

Use to

It is mainly used to make steel and increase the carbon content in molten steel. It is also used in casting industry, especially sound field ball mill cast iron and gray cast iron. In addition, it can also be used to manufacture high temperature crucible, lubricant in mechanical industry, electrode and pencil lead, etc.