NBR latex price index

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NBR latex price index

This post is a summary of the global NBR latex price developments. The price developments of NBR latex are expressed in US$ prices converted FX rates applicable at the time when the price was valid. Latex of NBR price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.

The outlook for global Latex of NBR prices is generated from different inputs including:

• Very recent price developments of immediate cost drivers of global Latex of NBR prices
• Recent price developments of underlying feedstocks which drive the price of Latex of NBR prices
• Market futures for both cost drives and feedstocks of global NBR latex prices
• Adjustment of current supply/demand imbalances in the NBR latex market
• Longer term trends in likely demand conditions

Further information on the NBR latex price chart

here is some further information

What is NBR Latex

NBR latex, short for Nitrile Butadiene Rubber latex, is a milky-white liquid dispersion of NBR rubber particles in water. It is produced through a process known as emulsion polymerization.

NBR latex offers the advantage of easy application as a liquid, which can be advantageous in processes like dipping or coating. Once it is applied and cured or dried, it retains the desirable properties of NBR, including oil resistance, chemical resistance, and flexibility. The specific formulation of NBR latex can be adjusted to meet the requirements of different applications, resulting in a wide range of NBR latex products with varying properties.

How is Latex of NBR produced

Nitrile Butadiene Rubber (NBR) latex is produced through a process called emulsion polymerization, which involves the polymerization of acrylonitrile and butadiene monomers in an aqueous medium. Here’s a simplified overview of how NBR latex is typically produced:

Monomer Preparation

Acrylonitrile and butadiene, the two primary monomers used in NBR production, are prepared. Acrylonitrile is usually produced through the ammoxidation of propylene, while butadiene is obtained from the steam cracking of hydrocarbons.

Emulsification

The monomers are mixed with water, emulsifiers, and stabilizers in a reactor vessel. Emulsifiers help disperse the hydrophobic monomers in the aqueous phase, creating small droplets of the monomer mixture in water. Stabilizers prevent coalescence of these droplets.

Initiation

An initiator is added to the emulsion to start the polymerization reaction. Common initiators for NBR latex production include organic peroxides.

Polymerization

Polymerization is initiated by heating the emulsion mixture. As the reaction progresses, the monomers polymerize, forming long chains of alternating acrylonitrile and butadiene units.
The polymerization is typically carried out under controlled conditions, including temperature, pressure, and mixing rate, to achieve the desired properties and molecular weight of the NBR latex.

Coagulation and Recovery

Once the polymerization is complete, the NBR latex is cooled and coagulated to separate the rubber from the liquid phase. This is often done by adding acids or salts, which cause the latex particles to clump together and settle out.
The coagulated NBR rubber is then washed and dried to remove impurities and residual chemicals.

Compounding and Formulation

The dried NBR rubber is typically compounded with various additives, such as accelerators, antioxidants, plasticizers, and fillers, to achieve specific performance characteristics. Compounding is performed to enhance properties like flexibility, oil resistance, and durability.

Quality Control and Testing:

Quality control measures are implemented to ensure that the NBR latex meets the required specifications and standards. Testing may include evaluations of the latex’s physical properties, chemical composition, and overall product quality.

Packaging and Distribution

The final NBR latex product is packaged and distributed for various applications. It can be shipped in bulk form, as concentrated latex, or further processed into specific formulations based on customer requirements.
NBR latex is a versatile material used in various industries due to its excellent oil resistance, chemical resistance, and flexibility. The specific formulation and properties of NBR latex can be tailored to suit different applications, making it a valuable synthetic rubber material for a wide range of products.

What is Latex of NBR used for

NBR latex has several distinct characteristics and applications:

Coating and Dipping Applications

NBR latex is commonly used as a raw material for coatings and dipping applications. When applied as a liquid, it can form a thin, flexible, and oil-resistant rubber film when it dries or cures. This makes it suitable for applications such as glove manufacturing (nitrile gloves), fabric coating for waterproofing or oil resistance, and the production of seals and gaskets.

Adhesives

NBR latex is used as an adhesive in various industries. It provides good adhesion to a wide range of substrates and is particularly valued for its resistance to oil and chemicals. It can be used in bonding applications where flexibility and resistance to harsh environments are required.

Foam Production

NBR latex can be used in foam production processes, resulting in NBR foam materials with characteristics such as cushioning, insulation, and sound absorption. These foams find applications in cushioning materials, automotive insulation, and soundproofing.

Construction Sealants

NBR latex-based sealants are used in the construction industry for sealing joints, gaps, and cracks in buildings. They provide excellent adhesion, flexibility, and durability, making them suitable for both interior and exterior applications.

Textile and Fabric Treatments

NBR latex can be used to impart properties such as water resistance, oil resistance, and flexibility to textiles and fabrics. This is particularly useful in the production of protective clothing and industrial textiles.

Paper and Packaging

NBR latex can be applied to paper and cardboard to enhance their barrier properties, making them more resistant to moisture and grease. This is beneficial in the packaging industry.

Automotive and Industrial Applications

NBR latex is used in various automotive components and industrial products that require oil resistance and flexibility. It can be used in the manufacture of automotive seals, gaskets, and components, as well as in industrial hoses and belts.

NBR latex offers the advantage of easy application as a liquid, which can be advantageous in processes like dipping or coating. Once it is applied and cured or dried, it retains the desirable properties of NBR, including oil resistance, chemical resistance, and flexibility. The specific formulation of NBR latex can be adjusted to meet the requirements of different applications, resulting in a wide range of NBR latex products with varying properties.

What drives the cost NBR latex

The cost of Nitrile Butadiene Rubber (NBR) latex is influenced by various factors, including raw material costs, production processes, market demand, and supply chain considerations. Here are the key factors that drive the cost of NBR latex:

Raw Material Costs:

The primary raw materials for NBR latex production are acrylonitrile and butadiene monomers. Fluctuations in the prices of these monomers can have a significant impact on the cost of NBR latex. The prices of these raw materials can be influenced by factors such as crude oil prices, supply and demand dynamics, and geopolitical events.
Energy Costs:

The energy-intensive nature of the emulsion polymerization process used to produce NBR latex means that energy costs, including electricity and fuel for heating, play a substantial role in determining the overall production cost.
Production Scale:

The economies of scale can affect production costs. Larger-scale production facilities tend to have lower production costs per unit of NBR latex compared to smaller facilities. This is because fixed costs can be spread over a larger production volume.

Production Efficiency:

Efficient production processes, optimized reaction conditions, and reduced waste generation can lead to cost savings in NBR latex production. Improvements in process efficiency can lower the cost per unit of latex produced.

Additives and Compounding:

The cost of additives, such as accelerators, antioxidants, plasticizers, and fillers, used to formulate the NBR latex can impact the overall production cost. The type and quantity of additives can vary based on the desired properties of the latex.
Quality and Purity Requirements:

Meeting specific quality and purity standards may require additional processing steps or quality control measures, which can add to production costs. NBR latex intended for high-performance applications often requires stringent quality assurance.

Market Demand and Competition:

Market dynamics, including demand for NBR latex and the level of competition among manufacturers, can influence pricing. High demand or limited supply can drive prices up, while increased competition can lead to price competition and cost pressures.

Geographical Location:

The location of the production facility can affect costs, including labor, transportation, and regulatory compliance. Costs can vary significantly between regions and countries.
Environmental and Regulatory Compliance:

Compliance with environmental and safety regulations can lead to additional costs, such as waste disposal, emissions control, and adherence to safety standards.

Currency Exchange Rates:

NBR latex production and trade can be affected by fluctuations in currency exchange rates, especially if raw materials or finished products are imported or exported.

Research and Development:

Investments in research and development to improve NBR latex properties or production processes can influence costs. Innovations that enhance performance or reduce production costs can provide a competitive advantage.
Overall, the cost of NBR latex is a complex interplay of these factors, and it can fluctuate over time due to changes in market conditions, raw material prices, and manufacturing efficiency. Manufacturers closely monitor these factors to manage production costs and maintain competitiveness in the market.

What types of NBR latex are there

Nitrile Butadiene Rubber (NBR) latex can be categorized into different types or grades based on various factors, including its composition, properties, and intended applications. Some of the common types of NBR latex include:

Standard NBR Latex

Standard NBR latex is the basic form of NBR latex. It typically contains a specific percentage of acrylonitrile content, often in the range of 20% to 50%, which determines its oil resistance and chemical resistance properties. Standard NBR latex is used in a wide range of applications where moderate oil resistance is required.

High Acrylonitrile (H-NBR) Latex:

High Acrylonitrile NBR latex, often referred to as H-NBR latex, contains a higher percentage of acrylonitrile (usually over 50%). This results in improved oil and fuel resistance compared to standard NBR latex. H-NBR latex is commonly used in automotive applications, such as fuel hoses, gaskets, and seals.

Low Acrylonitrile (L-NBR) Latex:

Low Acrylonitrile NBR latex, or L-NBR latex, contains a lower percentage of acrylonitrile (typically less than 20%). It is known for its excellent flexibility and resistance to non-polar solvents. L-NBR latex is used in applications where flexibility and resistance to chemicals other than oils are critical.

Carboxylated NBR (X-NBR) Latex:

Carboxylated NBR latex, or X-NBR latex, is modified with carboxylic acid groups, making it more compatible with other polymers and improving its adhesive properties. X-NBR latex is often used in latex foam applications, adhesives, and coatings.

Hydrogenated NBR (HNBR) Latex:

Hydrogenated NBR latex, or HNBR latex, is a variation of NBR that has undergone hydrogenation. This process improves its heat resistance, chemical resistance, and overall performance. HNBR latex is used in demanding applications, such as automotive seals, gaskets, and industrial components.

Polychloroprene-NBR (CR-NBR) Latex:

Polychloroprene-NBR latex, also known as CR-NBR latex, is a blend of NBR latex and polychloroprene latex. This combination provides a balance of properties, including good oil resistance, chemical resistance, and weathering resistance. CR-NBR latex is used in applications such as conveyor belts and industrial hoses.

Food-Grade NBR Latex:

Food-grade NBR latex is specially formulated and manufactured to meet strict food industry standards and regulations. It is used in applications where contact with food or potable water is expected, such as in food processing equipment and seals.

Medical-Grade NBR Latex:

Medical-grade NBR latex is designed and manufactured to meet the stringent requirements of the medical and healthcare industry. It is used in the production of medical gloves, catheters, and other medical devices.

Specialty NBR Latex:

Specialty NBR latex types may be developed for specific applications or industries. These formulations can include unique additives or modifications to meet particular performance criteria.

Further reading

• Wikipedia for general, history, production and usage information
• PubChem for chemistry and property  information

The global NBR latex market

The global NBR market is expected to reach a value of $4.4 billion by 2024, growing at a compound annual growth rate of 4.6% from 2019 to 2024. This growth is driven by increasing demand for NBR late in various industries, including automotive, construction, and oil and gas.

According to https://oec.world/ :

Acrylonitrile-butadiene rubber (NBR), latex are the world’s 1447th most traded product.

In 2020, the top exporters of Acrylonitrile-butadiene rubber (NBR), latex were South Korea ($886M), Chinese Taipei ($384M), Malaysia ($116M), China ($98.6M), and Thailand ($66.3M).

In 2020, the top importers of Acrylonitrile-butadiene rubber (NBR), latex were Malaysia ($1.08B), Thailand ($180M), China ($124M), Vietnam ($77.8M), and Indonesia ($69.7M).