carbon black

Properties: it is fine-grained or powder with colour of pure black. It mainly
contains carbon, but also contains a small amount of hydrogen, oxygen, sulfur,
ash, tar and water. It is insoluble in water or ethanol.
Application: It is used for making high, middle and low grade ink, paint,
printing, dyeing, rubber reinforcing agent, filler plastic products and also used
weiqu street chang an district

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