carbon black N330 for rubber industry 1.china larger supplier 2.N110 n220 n330 n550 n660 3.BV,SGS,CIQ,ISO 4.CAS:1333-86-4 1.manufacture of high reinforcing&abrasive resistance carbon black N330 for rubber industry1)CAS: 1333-86-4 2)China larger supplier 3)carbon black for rubber industry 4)N110 n220 n330 n550 n6605)BV,SGS,CIQ,ISO,COA,MSDS 6)Supply Free sample7)Export to Europe,sothest asia,korea Carbon black is the predominant reinforcing filler used in rubber compounds. Through the addition of carbon black to the rubber compound, durability and strength are significantly improved. Improvement in rubber properties is a function of the physical and chemical characteristics of carbon black. Carbon black’s most important fundamental characteristics are aggregate size and shape (structure), particle size, surface activity, and porosity.
2.Fundamental Characteristics
1)Structure / Aggregate SizeCarbon blacks do not exist as primary particles. During the manufacture of carbon black the primary particles fuse to form aggregates. The shape and degree of aggregate branching is referred to as structure. Increasing structure typically increases modulus, hardness, electrical conductivity and compound viscosity and improves dispersability of carbon black. Oil absorption is the measure of structure with a high number representing higher structure.
2)Particle SizeTypical carbon black primary particle size ranges from 8 nanometers for furnace blacks to 300 nanometers for thermal blacks. Finer particles increase reinforcement, abrasion resistance, and improve tensile strength. Surface area (STSA m2 per gram) is used by the industry to define carbon black fineness level – the higher the number the finer the black.
3)Surface Activity/ ChemistryCarbon black surface chemistry is a function of the manufacturing process and the heat history of the carbon black. Difficult to directly measure and quantify, surface chemistry can effect abrasion resistance, tensile strength, hysteresis and modulus. The impact on cure characteristics is dependent upon the cure system used by the compounder.
4)PorosityIncreasing primary particle porosity ultimately leads to decreasing aggregate density. Higher porosity allows compounders to increase carbon black loading, while maintaining compound specific gravity. This leads to increases in modulus and electrical conductivity for a fixed loading of carbon black.
5)Physical FormRubber carbon black is typically sold as a beaded product (pellets). Columbian also produces powdered and oil-beaded carbon black.
3.Techniacl Date
Sort of carbon black | N550 |
Items of test | Determination |
Iodine absorption | 43 g/kg |
DBP absorption | 12210-5m3/kg |
DBP absorption of compressed sample | 86 10-5m3/kg |
CTAB adsorption surface area | 42 103m2/kg |
STSA | 39103m2/kg |
Nitrogen Surface Area | 39103m2/kg |
Pigmentation intensity | |
Heating loss | 1.0% |
Ash | 0.2% |
Grit Mesh 45# | 0.042 |
Impurity | none |
Pumping Density | 370 kg/m3 |
300% elongation stress | -1.0 Mpa |
Elongation | -10 % |
5.Characteristic :
Medium high reinforcing low modulus, high elongation,tear resistance and good flex resistance.
6.Typical application:
Tire body and inner tire compound; Normal mould and extruding application; Monolayer moisture proof product.
7.Note
We can provide all kinds of carbon black, such as carbon n110, n220,n330,n550,n660,n774 ect. If you are interested in our products pls feel free to contact me
ada#bailichem.cn
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