With the gradual increase in the popularity of new energy vehicles, 5G networks, and 3C digital devices such as smartphones, conductivity, antistatic, and electromagnetic shielding have become topics that have to be discussed in the polymer material industry. The realization of these functions is inseparable from a kind of additive - conductive additive.
Carbon black is one of the most traditional and widely used conductive additives. However, with the development of science and technology, new conductive additive such as carbon fiber, carbon nanotubes, and natural graphite have gradually entered people's field of vision. Today, I would like to take stock of the top 10 conductive additive companies in the world.
Top 10 conductive additive companies in the world
|Total market value||3.97 billion RMB|
CABOT has been deeply involved in the chemical industry for a long time. Since its establishment in 1882, it has specialized in the production of special chemical products and special chemical materials. It is worth mentioning that CABOT is the only company that produces carbon black for tires, industrial rubber carbon black and specialty carbon black worldwide.
The total annual output is about 2 million tons, accounting for 28% of the world's total. So CABOT is one of top 10 conductive additive companies in the world. CABOT's VULCAN series, this world-renowned carbon black has excellent chemical and physical purity, which can be more easily dispersed in rubber compounds. At the same time it has extremely low levels of solvent extraction, sulfur content, ash level and rejects. By adding this carbon black, the polymer material can obtain better antistatic and conductive properties.
CABOT joins other industry leaders in a panel discussion at the 7th Annual Lithium and Battery Supply Chain Session.
|Registered capital||2,574,467,373 RMB|
Evonik's original main business was the refining of precious metals. After a century of development, its business focus has shifted from smelting to the chemical industry. In terms of conductive additives, Evonik's conductive carbon black HIBLACK series is its main product. There are many types of grades under this series, which are mainly suitable for various fields such as plastics, cables, ink color matching, etc.
Evonik's HIBLACK420B is a beaded carbon black with a specific surface area of about 80, which is characterized by good electrical conductivity, good dispersion and high purity. At present, it is mostly used in ESD, plastic conductive modification, and antistatic coatings. Downstream enterprises such as lithium batteries or new energy vehicles have many applications. Evonik is on the list of top 10 conductive additive companies in the world.
Evonik has launched a new multifunctional polymer additive for powder coating formulations. This additive increases the gloss of the coating and ensures a higher definition of the coated surface.
|Total market value||3.15 billion RMB|
IMERYS has very rich experience in R&D and production in the field of carbon black. There are more than 16,000 employees in the world. The conductive carbon black products of IMERYS include SUPER P, Cypbrid 2, C65, 350G and other series of conductive additives, which also include SUPER P Li series carbon black products, which are specially used as functional additives in the direction of lithium batteries.
Take IMERYS's 350G conductive carbon black as an example, the nitrogen specific surface area of this conductive agent can reach 770m²/g, and the ash content is low at only 0.03%. At present, the more common application areas are primary batteries, conductive plastics and rubbers, and semiconductor cable mixtures. IMERYS is on the ranking list of top 10 conductive additive companies in the world.
IMERYS will start a lithium mining project in the Beauvoir region of Allier, France's Central Plateau. The deposit contains about 1 million tons of lithium oxide, which can be mined at least 34,000 tons per year based on a 25-year mining period, which can meet the needs of 700,000 electric vehicle power batteries.
|Total market value||9.01 billion RMB|
TORAY currently operates in 19 countries and regions around the world. Its main businesses include fiber fabrics, plastics, carbon fiber composites, and communication technology. In terms of conductive additives, TORAY's main products are carbon products. In addition to carbon fiber composite materials such as carbon paper and short fiber bottom plate, the more important source of electrical conductivity is Toray Cass.
This product is short-fiberized by 30μ-150μ to turn the carbon fiber into granules or slices, so that it can be better mixed into heat-curing resin, rubber, paper and even cement. This carbon fiber material can not only meet the requirements of light weight and high rigidity, but also has good electrical conductivity. After adding carbon fiber, its surface resistivity can reach as low as 5Ω. At present, it is also used in wind power generation, communication technology, and aerospace. TORAY is one of top 10 conductive additive companies in the world.
TORAY will increase production of materials used for coating lithium-ion battery electrode materials, and increase the production capacity of Chinese factories in Japan to 1.5 times as early as 2023.
|Total market value||2.213 billion euros|
Bekaert's main business scope includes steel wire products, steel cord products, advanced materials and coating technology, etc. Bekaert has 19 joint ventures or wholly-owned enterprises in China alone. As of 2007, Bekaert's investment in China has exceeded RMB 4.5 billion. In terms of conductive additives, Bekaert's main product is Beki-Shield, a stainless steel fiber filler for plastic blending.
Compared with carbon black and carbon fiber, Beki-Shield only needs a very small amount of addition to meet the modification requirements of EMI and ESD. While maintaining the original mechanical properties of the plastic, it can also endow the material with high impact resistance. In this way, Bekaert is one of top 10 conductive additive companies in the world.
Bekaert is presenting a range of innovative solutions for the subsea and offshore energy sector at the Cables & Floating Offshore Wind 2018 exhibition.
OCSiAl's main business scope is mainly the production and research of single-walled carbon nanotubes, and its business scope covers lithium-ion batteries, elastomers, silicones, thermosetting thermoplastic materials, etc. OCSiAl has developed the first technology for the industrial synthesis of single-walled carbon nanotubes - TUBALL. This is an additive based on a polymer carrier and pre-dispersed carbon nanotubes. Its greatest characteristics are antistatic properties that are not affected by humidity, the ability to maintain permanent and uniform electrical conductivity, and excellent thermal stability (up to 400 in air. ℃), in addition, the original mechanical properties of the material can be maintained, or even improved.
The surface resistivity of 103-104 can be achieved by adding about 1% of the mass. OCSiAl is one of top 10 conductive additive companies in the world. Its products can not only be used in resin materials, but also have good adaptability to thermosetting glass fiber composite materials, and are compatible with various manufacturing technologies such as SMC, spraying, pultrusion, and filament winding. At present, it has various applications in various ESD, automobile, coating and other fields, such as antistatic epoxy floor, industrial conveyor belt, automotive conductive primer and so on.
OCSiAl's recently completed Graphetron 50 plant in Akademgorodok, Russia, has a production capacity of 50 metric tons per annum. It is currently the largest graphene nanotube production plant in the world.
⑦ LG Chem
|Total market value||44.61 trillion won|
The business scope of LG Chem covers petrochemical industry, batteries, advanced materials and life sciences. Its carbon nanotube materials are also quite distinctive, such as LUCAN carbon nanotubes, which have good electrical conductivity, high dispersion, low dust and so on. In April 2020, LG Chem also invested about 65 billion won in the first quarter of 2021 to increase the production of its carbon nanotube factory in Lishui, Zhejiang by 1,200 tons. Once the expansion is completed, the total CNT production capacity of LG Chem can reach 1,700 tons/year. LG Chem is currently one of top 10 conductive additive companies in the world.
LG Chem and Jae Young Tech will establish a battery recycling joint venture in North America by the end of 2023 and invest 24 billion won in the battery recycling technology business.
|Total market value||18.109 billion RMB|
Cnano is a company specializing in the production of carbon nanotube-related materials. Its product line is mainly based on carbon nanotube-related materials, such as carbon nanotube powder, carbon nanotube and graphene conductive paste, and carbon nanotube conductive masterbatch, etc. Among them, the carbon nanotube powder of the FT series is quite recognized by the market in terms of conductivity.
Taking FT2000 as an example, its ash content is below 15%, and the average diameter of CNT is only 2-4nm, and its specific surface area can reach more than 450㎡/g. Cnano's conductive masterbatch product line is also very rich. It is currently commonly used in PC, ABS, PC/ABS, HIPS, PBT, PP and other materials. The volume resistivity and surface resistivity can reach about 104-108. Level. And Cnano is one of top 10 conductive additive companies in the world.
Cnano intends to invest 2 billion RMB to build a production base project with an annual output of 120,000 tons of conductive paste and 15,500 tons of carbon tube purification in Sichuan, China.
|Registered capital||52.747253 million RMB|
The business scope of SUSN covers carbon nanotube dry powder, carbon nanotube slurry and graphene, etc. These products are widely used in lithium-ion battery conductive agents, engineering plastics, transparent conductive films and field emission and other fields. SUSN is one of top 10 conductive additive companies in the world.
Taking carbon nanotube dry powder HCNTs10 as an example, the resistivity of this conductive agent is only 900-1100μΩ·m after addition, and the specific surface area ranges from 200-260m²/g. At the same time, the diameter of the pipe is only 10-20nm, so only a small amount of dosage can be added to achieve high conductivity and high dispersion. It has become a qualified supplier of leading lithium-ion battery manufacturers such as Samsung SDI, BYD, Guoxuan Hi-Tech, and AVIC Lithium Battery. Here is a more concrete ranking article of top 10 lithium battery companies, you can read it and you will know more about the development of lithium battery.
SUSN has a broad product portfolio covering single-wall CNTs, multi-wall CNTs and various types of hybrids to meet the growing needs of the battery industry.
⑩ AN Lun
|Registered capital||250 million RMB|
AN Lun is one of the largest carbon black production bases in the world. It has 11 carbon black production lines with an annual output ofCan be as high as 450,000 tons. Among them, 110,000 tons of soft carbon black and 340,000 tons of hard carbon black. Its main product categories include specialty carbon black, carbon black for rubber and carbon black for tires, etc.
Among its products, AL391 and AL398 are two conductive carbon blacks independently developed by it. AN Lun is one of top 10 conductive additive companies in the world. The main features of these two products are easy dispersion, high purity and good electrical conductivity. Because of its easy processing, long filter life, smooth extrusion surface and other characteristics. The company's products are commonly used in various fields such as antistatic, cable shielding layer, antistatic plastic products, inner and outer screens of shielding materials, etc.
AN Lun currently has a carbon black project with a capacity of 450,000 tons/year, a tar refining project with a capacity of 2×360,000 tons, and a coal tar processing project with a capacity of 720,000 tons/year.
Related article: carbon-based composite materials companies in China, top 10 power battery recycling companies, top 5 lithium mining companies