What's the difference between carbon black and carbon black?
Carbon is an element, a non-metallic element with four valence. It exists in nature (such as in the form of diamond and graphite). It is a component of coal, oil, asphalt, limestone and other carbonates as well as all organic compounds
Carbon black: any of various gelatinous black substances consisting wholly or mainly of carbon, usually made from soot by partial combustion of hydrocarbons
Carbon black: a black pigment consisting of charred material, such as charcoal or bone charcoal
Which is the standard way of writing?
Both are in fashion at present. There is no specific authoritative standard and definition. If we do network promotion, we should pay attention to publicity. No one can say that carbon black N220, carbon black N330, carbon black N550 and carbon black n660 are more standardized than carbon black N220, carbon black N330, carbon black N550 and carbon black n660.
From rubber technical net