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Styrene Butadiene Rubber
Styrene Butadiene Rubber Prices | Current and Forecast
Styrene Butadiene Rubber
Styrene Butadiene Rubber
SBR
(C8H8)x(C4H6)y

About SBR. Styrene Butadiene Rubber (a.k.a. SBR, SBR Latex) is a synthetic polymer made of monomers 1,3-butadiene and styrene. In the copolymer generated, the butadiene molecule may assume three different forms, according to the way it is connected to the styrene component: (1) Cis 1,4-Butadiene; (2) Trans 1,4-Butadiene; and (3) Vinyl Butadiene. It represents by far the biggest market share between synthetic elastomers produced worldwide. This elastomer offers excellent abrasion resistance, excellent water resistance, good physical properties and easy processing. These properties vary depending on the molecular weight and styrene to butadiene ratio. There is two main Styrene-Butadiene polymer types: Styrene-Butadiene Latex and Styrene-Butadiene Rubber (SBR). SBR has a higher butadiene content than Latex and this makes it more elastic-like.

SBR production relies mainly on three different processes: (1) hot emulsion polymerization, (2) cold emulsion polymerization, and (3) solution polymerization. Each process results in polymers with different properties. SBR grades generated by emulsion polymerization are usually referred to as emulsion SBR (eSBR), while grades produced by solution processes are usually called solution SBR (sSBR).

Hot emulsion polymerization typically generates SBRs with better dimensional stability and extrusion properties. However, this process has almost completely been replaced by the cold emulsion polymerization, which produces SBR grades with enhanced mechanical properties (e.g., tensile strength and abrasion resistance) in comparison with hot eSBR. Solution SBR processes enable better control of the final polymer properties, because such processes allow a better manipulation of the generated polymer structure. Therefore, sSBR grades have better mechanical properties than both hot and cold eSBR grades (particularly low rolling resistance). However, the narrower molecular weight distribution makes polymer processability more complicated.

SBR Handling. Styrene Butadiene Rubber is usually transported as sheets, by rail cars or trucks. It has a shelf life of 3-5 years, if stored in a cool and dry place, away from rain/direct sunlight, with sealed packing.

SBR Production. Raw materials and the respective production processes employed in the manufacturing of SBR are listed below.

  • 1,3-Butadiene + styrene (emulsion polymerization),
  • 1,3-Butadiene + styrene (solution polymerization)

SBR Uses.The uses and applications of Styrene Butadiene Rubber may vary according to its specification. Generically, SBR grades are measured by their styrene content – typically between 23 and 40% (grades can also vary depending on the molecular weight).

Tires manufacturing represent the main application for Styrene-Butadiene Rubber, but, according to the properties of the specific grade produced, SBR is also used in several other applications. SBR grades produced by the hot emulsion process are still employed in specific applications such as adhesives and flow modifiers for other elastomers, due to their good processing characteristics. SBR grades produced by cold emulsion present superior mechanical characteristics, such as abrasion resistance. Therefore, they are used in applications where these characteristics are important, for instance, car and light truck tires; footwears; pharmaceutical and food contact articles; conveyor belts; and even chewing gums. Solution polymerization processes generate SBR grades suitable for high performance applications, including tires with superior wet grip and high resistance shoe soles. SBR can be replaced by other polymers in applications that require extra mechanical or chemical resistance. Some possible substitutes are: polybutadiene, polyisoprene, EPDM rubber, nitrile rubber, and chloroprene rubber.

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Data Type: chem-pricing
Prices

Styrene Butadiene Rubber Prices | Current and Forecast

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Monitor monthly Styrene Butadiene Rubber price assessments covering 4 locations: United States, Europe, Southeast Asia and China. Also check SBR price history since 2007 and forecasts.

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Styrene Butadiene Rubber

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Data Legend. The chart above shows SBR price assessments in USA Dollar per metric ton (USD/mt) in 4 locations, as follows:

  • SBR, US (United States): Styrene Butadiene Rubber, import transaction price, cif, United States
  • SBR (latex), US (United States): Styrene Butadiene Rubber (styrene butadiene latex), export transaction price, fob, United States
  • SBR, EUR (Europe): Styrene Butadiene Rubber, export transaction price, fob, Germany
  • SBR (latex), EUR (Europe): Styrene Butadiene Rubber (styrene butadiene latex), export transaction price, fob, Germany
  • SBR, SEA (Southeast Asia): Styrene Butadiene Rubber, import transaction price, cif, Thailand
  • SBR (Emuls), CN (China): Styrene Butadiene Rubber (emulsion), domestic spot price, exw, China
  • SBR (latex), CN (China): Styrene Butadiene Rubber (styrene butadiene latex), import transaction price, cif, China

Data Use. SBR prices are provided as an annual subscription where subscribers have access to reliable pricing data of 224 commodities worldwide. To better understand data provided by Intratec Primary Commodity Prices, check the following documents: Price Assessment Basis , Commodities Specifications , Methodology , User Guide , and Glossary .

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Styrene Butadiene Rubber Price Outlook. The price of SBR (United States) increased during April 2019 to 2,250 USD per metric ton, which represents a slight rise of 1% compared to the previous month’s value. On a year-over-year basis, the prices of SBR (United States) decreased by 4%. Meanwhile, the average price of SBR (latex, United States) amounted to 1,320 USD per metric ton, from 1,490 USD per metric ton one year earlier. On a month-over-month basis, the price of SBR (latex, United States) is 4% lower than the price one month before.

The price of SBR (Emuls, China) was flat throughout April 2019.  The price remained the same when compared to the average price in the previous month and 14% lower than the average price one year before. In contrast, the prices of SBR (latex, China) increased modestly during April 2019, reaching 2,060 USD per metric ton, which means a rise of 2% from the previous month’s price and a rise of 6% from the previous year’s price. 

The prices of SBR (Europe) experienced a modest rise of 40 USD per metric ton from the prior month's price, to 2,040 USD per metric ton. Such price movement meant a rise of 2% on a monthly basis and a decrease of 8% on a yearly basis. On the other hand, in April 2019, the price of SBR (latex, Europe) witnessed a rise of 10 USD per metric ton when compared against the previous month's price, to 1,030 USD per metric ton. The April 2019 price is 15% lower than the price one year before. 

About SBR. Styrene Butadiene Rubber (a.k.a. SBR, SBR Latex) is a synthetic polymer made of monomers 1,3-butadiene and styrene. In the copolymer generated, the butadiene molecule may assume three different forms, according to the way it is connected to the styrene component: (1) Cis 1,4-Butadiene; (2) Trans 1,4-Butadiene; and (3) Vinyl Butadiene. It represents by far the biggest market share between synthetic elastomers produced worldwide. This elastomer offers excellent abrasion resistance, excellent water resistance, good physical properties and easy processing. These properties vary depending on the molecular weight and styrene to butadiene ratio. There is two main Styrene-Butadiene polymer types: Styrene-Butadiene Latex and Styrene-Butadiene Rubber (SBR). SBR has a higher butadiene content than Latex and this makes it more elastic-like.

SBR production relies mainly on three different processes: (1) hot emulsion polymerization, (2) cold emulsion polymerization, and (3) solution polymerization. Each process results in polymers with different properties. SBR grades generated by emulsion polymerization are usually referred to as emulsion SBR (eSBR), while grades produced by solution processes are usually called solution SBR (sSBR).

Hot emulsion polymerization typically generates SBRs with better dimensional stability and extrusion properties. However, this process has almost completely been replaced by the cold emulsion polymerization, which produces SBR grades with enhanced mechanical properties (e.g., tensile strength and abrasion resistance) in comparison with hot eSBR. Solution SBR processes enable better control of the final polymer properties, because such processes allow a better manipulation of the generated polymer structure. Therefore, sSBR grades have better mechanical properties than both hot and cold eSBR grades (particularly low rolling resistance). However, the narrower molecular weight distribution makes polymer processability more complicated.

SBR Handling. Styrene Butadiene Rubber is usually transported as sheets, by rail cars or trucks. It has a shelf life of 3-5 years, if stored in a cool and dry place, away from rain/direct sunlight, with sealed packing.

SBR Production. Raw materials and the respective production processes employed in the manufacturing of SBR are listed below.

  • 1,3-Butadiene + styrene (emulsion polymerization),
  • 1,3-Butadiene + styrene (solution polymerization)

SBR Uses.The uses and applications of Styrene Butadiene Rubber may vary according to its specification. Generically, SBR grades are measured by their styrene content – typically between 23 and 40% (grades can also vary depending on the molecular weight).

Tires manufacturing represent the main application for Styrene-Butadiene Rubber, but, according to the properties of the specific grade produced, SBR is also used in several other applications. SBR grades produced by the hot emulsion process are still employed in specific applications such as adhesives and flow modifiers for other elastomers, due to their good processing characteristics. SBR grades produced by cold emulsion present superior mechanical characteristics, such as abrasion resistance. Therefore, they are used in applications where these characteristics are important, for instance, car and light truck tires; footwears; pharmaceutical and food contact articles; conveyor belts; and even chewing gums. Solution polymerization processes generate SBR grades suitable for high performance applications, including tires with superior wet grip and high resistance shoe soles. SBR can be replaced by other polymers in applications that require extra mechanical or chemical resistance. Some possible substitutes are: polybutadiene, polyisoprene, EPDM rubber, nitrile rubber, and chloroprene rubber.

Intratec Methodology. Intratec Primary Commodity Prices are produced from a data-driven, mathematical approach, which starts with the extraction of data from various primary sources, including official trade records, futures market, statistics bureaus, governmental and international agencies. Such large volume of data is validated through advanced data processing techniques, and treated by means of statistical analysis for outliers removal. When faced with input gaps, data scientists and engineers employ mathematical models or machine learning techniques to estimate prices and ensure the completeness of the price assessments presented. (learn more ).

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