| http://www.w3.org/ns/prov#value | - Carbon black is used particularly preferably, and preferable examples of carbon black include No. 2300, No. 900, MCF88, No. 33, No. 40, No. 52, MA7, MA8, MA100 and No. 2200B available from Mitsubishi Chemical Corp., Raven 5750, Raven 5250, Raven 5000, Raven 3500, Raven 1255 and Raven 700 available from Colombia Inc., Regal 400R, Regal 1660R, Mogul 1, Monarch 700, Monarch 800, Monarch 880, Monarch
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