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Other Name: Fast Extrusion Furnace Black; FEFPhysical & Chemical Properties: Its...

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Other Name: Fast Extrusion Furnace Black; FEF

Physical & Chemical Properties: Its iodine adsorption value is 43 g/kg, and DBP adsorption is 121cm3/100g. Carbon black N550 has smooth particle surface and high structure, resulting in best reinforcement properties among soft carbon blacks.        

Application: Carbon black N550 is used in fabric cord, tire side compound, extrusion and rolling compounds. It is suitable for natural rubber and synthetic rubbers.

Performance Features    

•               High modulus    

•               High hardness    

•               Low die swell    


Typical Applications    

•               Carcass    

•               Inner tube    

•               Tire sidewall    

•               Conveyor belt covers    

•               Hose    

•               Rubber footwea    

•               Cable    

•              Rubber products  

Test ItemsUnitIndex
Iodine Adsorption Numberg/kg43±4
Oil absorption Number(OAN)10-5m3/kg121±5
Crushed OAN (COAN)10-5m3/kg80-90
CTAB absorption surface Area-N2103m2/kg37-47
Tint Test, Reflectance From ITRB%------
Moisture, Bulk& Bag (as shipped)%1.5
Ash content%0.5
45μm Sieve residue%0.05
(Note l)(25g,No.120 US Std Sieve)

Pour densitykg/m3360±40
300% stretching stress (SRB7#)Mpa-0.6±1.0

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