Product Name: Inner Tube Soft Carbon Black (N660) Model NO.: N660, N650, N326, N774 Form: Solid Appearance: Granules Material: Carbon Raw Material: Cbfs Certificate: Reach Trademark: JUWUBA Transport Package: 20kg,25kg,500kg,600kg,1000kg PP Bag,Craft Paper Specification: Astmd1765-91/GB3778-2003 Origin: China HS Code: 2803000000 Product Description Carbon Black N660 (rubber raw materials)Speciality Grade Carbon Black N220, N234, N330, N326, N339, N375, N660, N539, N660, are supplied by us with high quality and competitive prices.They are widely used for Tyre, Rubber, Conveyer Belt, Plastic, Master Batch, Printing Ink, Paints, Cover, Cable Wire and so on.Letters, phone call and other further consultation are warmly welcomed, and will be answered promptly.Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd.TECHNICAL SHEET (STANDARD:GB3778-2003 & ASTMD1765-91)ItemUnitN220N234N330N326N339N375N550N539N660Iodine Adsorption Numberg/kg121±5120±582±582±590±590±543±543±536±5DBP Absorption Number10 -5 m 3 /kg114±5125±5102±572±5120±5114±5121±5111±590±5Compressed DBP Absorption Numb10 -5 m 3 /kg90-10397-10783-9364-7294-10488-10477-9373-8966-82CTAB Surface Area10 3 m 2 /kg102-120110-12873-9174-9287-9987-10535-4934-4829-43Nitrogen Surface Area 10 3 m 2 /kg102-120112-12671-8571-8586-9686-10034-4633-4529-41Tint Strength %108-124115-13196-112103-119103-119106-122PH Value7±1.5Heating Loss%≤2.51.5Ash Content%≤0.745 um Mesh%≤0.1ImpurityNOFines Content%≤7Modulus at 300% Mpa-2.3±1.6-0.4±1.6-0.9±1.6-3.9±1.60.6±1.60.1±1.6-0.9±1.6-1.6±1.6-2.6±1.6Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd.