RECOMMENDED RUBBER GRADE

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4 V V I ASTM Nuo N115 N121 N134 N22o N231 N234 N299 N326 N33o N339 N343 N347 N351 N375 N539 N55o N6o N66o N683 N762 N765 N772 N774 TYPICAL COLLOIDAL PROPERTIES (ASTM D1765) NSA (m2ig) g STSA (m2ig) Tint I7 1f r Iodine (mglg) io OAN (DBPA) (mi/bog) COAN (24M4) (mt/bog) Pour Density 3) (kg/rn : g g I: TEST PROCEDURES Tinting Strength: ASTM D3265STSA: ASTM D6556AN: ASTM D24l4Pour Density:ASTM D1513 Iodine Number: ASTM D151ONSA: ASTM D6556COAN ASTM D3493 V Carbon black has the CAS number

5 referred to as structure The structure level of a carbon The shape and degree of branching of the aggregates is erties are distributional in nature and this distribution in properties has an impact on in-rubber performance Other nonfundamental include properties the physical form and residlie The physical form of carbon black (beads or powder) can affect handling and the mixing characteristics of carbon black and, manifests itself through its effects on such in-rubber function of the fundamental physical and chemical characteristics of carbon black The most important fundamental physi aggregates, which may contain a large number of particles STRUCTURE I AGGREGATE SIZE: Carbon blacks do not black While difficult to measure directly surface chemistry exist as primary particles Primary particles fuse to form the manufacturing process and the heat history of a carbon SURFACE ACTIVITY, or surface chemistry, is a function of cal and chemical properties are aggregate sie and shape (structure), particle sie, surface activity, and porosity These prop also a function of the mixing procedures and equipment used hence, rubber properties The ultimate degree of dispersion is Carbon black is the predominant reinforcing filler used in rubber compounds, and the improvement in rubber properties is a RUBBER CARBON BLACK CHARACTERISTICS ntative for the latest information on new rubber grades developed by Birla Carbon Thrbon is constantly Looking at ways to improve carbon black performance in rubber applications Contact your sales NEW RUBBER CARBON BLACKS quality extruded profiles and for applications where lifeextension of the rubber article is critical residue levels Ultra carbon blacks are best suited for high Birla Carbon has pioneered the production of Ultra high ULTRA RUBBER CARBON BLACKS cost and performance compared to conventional ASTM Technology (XT) range provides a better balance between aspects of the Ultra process, Birla Carbon s extrusion penalty, Birla Carbon has developed a range of carbon blacks series carbon blacks quality carbon blacks, which significantly reduce ash and surface chemistry makes it the preferred carbon black for applications allowing the production of tires with superior CD2n5 traditional benefits of carbon blacks and performance of rubber profile extrusions without a cost specifically for this market Utilising tailored morphology and blacks that offer reduced hysteresis while maintaining the CD2115s unique combination of particle sie, structure, and racing and an ideal carbon black for high-performance tire durability, handling, and traction characteristics traction, Birla Carbon has developed a range of carbon for lower rolling resistance while maintaining treadwear and In order to meet the industry need for improved appearance To enable the tire manufacturer to meet the requirements EXTRUSION TECHNOLOGY CARBON BLACKS ENHANCED PERFORMANCE TREAD BLACKS SPECIALITY PRODUCTS an indicator of the fineness level of the carbon black and, for furnace blacks Surface area is utilied in the industry as Particle sie distribution can only be accurately measured increased reinforcement, increased abrasion resistance, and PARTICLE SIZE is the fundamental property that has a con,pound viscosity improves dispersibility of carbon black, but increases using a transmission electron microscope Typical particle increases modulus, hardness, electrical conductivity, and therefore, of the particle sie most common physical form of rubber carbon black is beads PHYSICAL FORM of carbon black has an impact on the in-rubber properties Increasing carbon black structure significant effect on rubber properties Finer particles lead to particle sie requires increased mixing time and energy black ultiniately determines its effects on several important improved tensile strength However, to disperse finer sies range from around 8 nanometers to 1 nanometers gravity This Leads to an increase in compound modulus and affect the measurement of surface area providing a total can be controlled during the production process It can POROSITY is a fundamental property of carbon black that in use cure characteristics will depend strongly on the cure system Increasing the porosity reduces the density of the carbon black loading while maintaining compound specific handling and mixing characteristics of carbon black The (pellets) In addition, Birla Carbon also produces powdered carbon blacks properties as abrasion resistance, tensile strength, hysteresis, and modulus The effect of surface activity on surface area (NSA) larger than the external value (STSA) aggregates This allows a rubber compounder to increase electrical conductivity for a fixed loading

6 BIRLA CARBON S S S 55 5 S SALES OFFICES Far East and SE Asia: 888/122, 888/128, Mahatun Plaa, 12th Floor Ploenchit Road, Lumpini Pratumwan, Bangkok 133 Thailand North America: i8oo West Oak Commons Court Marietta, Georgia 362 USA South Asia and MiddLe East: 91/911, Kailash Building Kasturba Gandhi Marg New Delhi 11 1 India Tel: I 71 South America: Rua Dr Cãndido Espinheira, n 6o, 7 andar 5o Paulo SP Brasil Europe and Africa: Columbian Chemicals Europa GmbH PodbieIskistrafe 16 D-3o177 Hannover Germany wwwbirlacarboncom The facts and recommendations made in this publication are based on our own research or others, and are believed to be accurate However, rio guarantee of accuracy is made, the products discltssed being sold without warranty, expressed or implied, including but not limited to any WARRANTYOF MER HANTABILITY AND I OR FITNESS FOR A PARTICULAR PURPOSE OR USE Statements concerning the possible use of nor products are not intended as recommendations to use our prodults in the infrir rnent of any patent ri 212