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Neoprene
Neoprene Prices | Historical and Current
Neoprene
Polychloroprene
Polychloroprene
(C4H5Cl)n

About Neoprene. Polychloroprene (a.k.a. Neoprene, Chloroprene Rubber) is the first synthetic rubber produced commercially by the free radical emulsion polymerization of chloroprene. It was first marketed by Dupont in 1933 under the DuPrene brand, and after significant improvements in the production process the brand was changed to Neoprene. Nowadays, it is one of the most important special rubbers produced, alongside butyl rubber, nitrile rubber (NBR), and ethylene propylene diene rubber (EPDM).

Chloroprene rubber is produced industrially exclusively via the radical polymerization of chloroprene in aqueous emulsion. The reaction is exothermic and the chloroprene is highly reactive, which favors the production of the homopolymer. However, a chain-transfer agent is often required to prevent the formation of highly cross-linked product, with high molar mass, which cannot be processed, even at low conversion rates. Such agents, like n-dodecyl or xanthogen disulfides are added, and the chloroprene conversion rates are usually limited to a maximum of 70%.

Several polymer properties can be obtained through the proper control of polymerization conditions such as the nature and quantity of chain-transfer agent, the degree of conversion, reaction temperature and the presence of any co-monomers.

Neoprene Handling. Chloroprene, similarly to other chlorinated paraffins, is non-corrosive at ambient temperatures, so it can be stored for many months without deterioration, if away from sunlight. It is usually transported and stored in drums (internally lacquered) or mild steel containers (internally lined with epoxy or phenol formaldehyde resins).

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

  • Acetylene + hydrochloric acid (radical polymerization of chloroprene),
  • Butadiene + chlorine (radical polymerization of chloroprene)

Neoprene Uses. The uses and applications of Polychloroprene may vary according to its specification. The main forms of Polychloroprene are general-purpose grade; crystallization resistant grade; adhesive grade; specialty grade; and latex grade.

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Data Type: chem-pricing
Prices

Neoprene Prices | Historical and Current

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Monitor monthly Neoprene price assessments covering 4 locations: United States, Europe, Southeast Asia and Northeast Asia. Also check Polychloroprene price history since 2007.

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

  • Polychloroprene, US (United States): Polychloroprene, export transaction price, fob, United States
  • Polychloroprene, EUR (Europe): Polychloroprene, export transaction price, fob, Germany
  • Polychloroprene, SEA (Southeast Asia): Polychloroprene, import transaction price, cif, India
  • Polychloroprene, NEA (Northeast Asia): Polychloroprene, export transaction price, fob, Japan

Data Use. Polychloroprene 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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Neoprene Price Outlook. The price of Polychloroprene (United States) increased during April 2019 to 5,630 USD per metric ton, which represents a slight rise of 2% compared to the previous month’s value. On a year-over-year basis, the prices of Polychloroprene (United States) increased significantly by 7%. Meanwhile, the average price of Polychloroprene (Southeast Asia) amounted to 4,640 USD per metric ton, from 4,420 USD per metric ton one year earlier. On a month-over-month basis, the price of Polychloroprene (Southeast Asia) is 8% lower than the price one month before.

The price of Polychloroprene (Europe) rose throughout April 2019, reaching 4,450 USD per metric ton.  The price is 6% higher than the average price in the previous month and 5% higher than the average price one year before. In contrast, the prices of Polychloroprene (Northeast Asia) decreased modestly during April 2019, reaching 4,460 USD per metric ton, which means a decline of 1% from the previous month’s price and a rise of 4% from the previous year’s price. 

About Neoprene. Polychloroprene (a.k.a. Neoprene, Chloroprene Rubber) is the first synthetic rubber produced commercially by the free radical emulsion polymerization of chloroprene. It was first marketed by Dupont in 1933 under the DuPrene brand, and after significant improvements in the production process the brand was changed to Neoprene. Nowadays, it is one of the most important special rubbers produced, alongside butyl rubber, nitrile rubber (NBR), and ethylene propylene diene rubber (EPDM).

Chloroprene rubber is produced industrially exclusively via the radical polymerization of chloroprene in aqueous emulsion. The reaction is exothermic and the chloroprene is highly reactive, which favors the production of the homopolymer. However, a chain-transfer agent is often required to prevent the formation of highly cross-linked product, with high molar mass, which cannot be processed, even at low conversion rates. Such agents, like n-dodecyl or xanthogen disulfides are added, and the chloroprene conversion rates are usually limited to a maximum of 70%.

Several polymer properties can be obtained through the proper control of polymerization conditions such as the nature and quantity of chain-transfer agent, the degree of conversion, reaction temperature and the presence of any co-monomers.

Neoprene Handling. Chloroprene, similarly to other chlorinated paraffins, is non-corrosive at ambient temperatures, so it can be stored for many months without deterioration, if away from sunlight. It is usually transported and stored in drums (internally lacquered) or mild steel containers (internally lined with epoxy or phenol formaldehyde resins).

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

  • Acetylene + hydrochloric acid (radical polymerization of chloroprene),
  • Butadiene + chlorine (radical polymerization of chloroprene)

Neoprene Uses. The uses and applications of Polychloroprene may vary according to its specification. The main forms of Polychloroprene are general-purpose grade; crystallization resistant grade; adhesive grade; specialty grade; and latex grade.

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, 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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