• Model NO.：N220, N219, N234, N351
• Specification：GB3778-2003 & ASTM-Standard
• Trademark：JUWUBA
• Origin：Hebei China
• HS Code：2803000000
• Production Capacity：110, 000 Ton,Year

STANDARD:GB 3778-2003 OR ASTMD  Hebei Daguangming Group, Juwuba Carbon Black Co., Ltd.ItemUnitGradeN220N234N330N326N339N375N550N660Iodine Adsorption Numberg/Kgsuperior121±5120±582±582±590±590±543±436±4Qualified121±7120±782±782±790±790±743±636±6DBP Absorption Number10 -5 m 3 /kgsuperior114±5125±5102±572±5120±5114±5121±590±5Qualified114±7125±7102±772±7120±7114±7121±790±7Compressed   DBP Absorption Number  10 -5 m 3 /kg
 93~10397~10783~9364~7294~10491~10180~9069~79Qualified90~10694~11080~9662~7491~10788~10477~9366~82CTAB Surface Area10 3 m 2 /kgsuperior105~117113~12576~8877~8987~9990~10237~4731~41Qualified102~120110~12873~9174~9284~10287~10535~4929~43Nitrogen Surface Area  10 3 m 2 /Kgsuperior114~124114~12473~8373~8386~9688~9834~4431~39Qualified112~126112~12671~8571~8584~9886~10034~4629~41STSA10 3 m 2 /Kgsuperior106±5112±575±576±588±591±539±534±5Qualified106±9112±975±976±988±991±939±934±9Tint strength                           %superior111~121118~12899~109106~116106~116109~119¬¬
Qualified
108~124115~13196~112103~119103~119106~122¬¬PH Value
 Qualified7±1.5Heating Loss%≤Qualified2.51.5Ash Content% ≤Qualified0.745 um mesh%  ≤superior0.05Qualified0.10Impurity
 QualifiedNOFines Content%≤Qualified7Toluene Discoloration% max 1618Qualified90(85--90)8580sulfur% max 1619Qualified1.11.51.1Pour densitykg/m3Qualified355±40320±40380±40455±40345±40345±40360±40440±40Modulus at 300%  Mpasuperior-2.3±1.0-0.4±1.0-0.9±1.0-3.9±1.00.6±1.00.1±1.0-0.9±1.0-2.6±1.0Qualified-2.3±1.6-0.4±1.6-0.9±1.6-3.9±1.60.6±1.60.1±1.6-0.9±1.6-2.6±1.6