Subject | carbon black N220,N234,N326,N330,N339,N660,N550 |
Item No. | N220,N234,N326,N330,N339,N660,N550 |
Supply Type | General |
Amount | unknown |
Categories |
Chemical > Inorganic Chemical Material > Elementary Substance Chemical > Inorganic Chemical Material > Other Inorganic Chemical Materials Chemical > Catalyst,Chemical Auxiliary > Plastic Auxiliary Chemical > Catalyst,Chemical Auxiliary > Rubber Auxiliary |
Issue Time: | 2009-09-18 | |
Expire Time: | 2010-09-18 |
Keywords: carbon black black carbon rubber