Rubbers

Nitrile Butadiene Rubber (NBR) is a synthetic rubber copolymer of acrylonitrile and butadiene. Known for its excellent resistance to oils, fuels, and other chemicals, NBR is widely used in automotive, industrial, and consumer applications. It is valued for its durability, flexibility, and ability to maintain performance in harsh environments.

Key Properties:

• Oil and Fuel Resistance: Outstanding resistance to oils, hydrocarbons, and fuels.
• Temperature Tolerance: Effective in a broad temperature range, typically from -40°C to +120°C.
• Abrasive Resistance: Good resistance to abrasion and wear.
• Flexibility: Maintains flexibility even in cold temperatures.
• Chemical Resistance: Excellent resistance to many chemicals, including acids and alkalis.

Grades of Nitrile Butadiene Rubber:

1. Standard NBR:

   • Description: The most common grade, offering a balanced combination of oil resistance, flexibility, and general-purpose use.
   • Applications: Automotive seals, gaskets, hoses, and general industrial applications.

2. High Acrylonitrile NBR:

   • Description: Contains a higher percentage of acrylonitrile, enhancing oil and fuel resistance while potentially reducing flexibility.
   • Applications: High-performance seals, fuel system components, and gaskets that require superior resistance to aggressive fluids.

3. Low Acrylonitrile NBR:

   • Description: Contains a lower percentage of acrylonitrile, which improves flexibility and cold resistance but may reduce oil resistance compared to high acrylonitrile grades.
   • Applications: Automotive seals and gaskets, hoses, and other applications where flexibility in low temperatures is crucial.

4. Hydrogenated NBR (HNBR):

   • Description: A modified form of NBR that has been hydrogenated to improve heat, ozone, and aging resistance.
   • Applications: High-performance seals, gaskets, and O-rings in demanding environments such as automotive and industrial applications.

5. Nitrile Butadiene Rubber with Specialty Additives:

   • Description: Includes various additives to enhance specific properties like flame resistance, electrical conductivity, or improved processing characteristics.
   • Applications: Specialized industrial applications, including flame-resistant seals and conductive gaskets.

Applications:

• Automotive Industry: Seals, gaskets, hoses, and fuel system components.
• Industrial Sector: Oil seals, hydraulic seals, and vibration dampers.
• Consumer Products: Footwear, gloves, and various rubber goods requiring oil resistance.

Nitrile Butadiene Rubber is a versatile material that offers tailored properties to meet specific application needs. By selecting the appropriate grade, you can ensure optimal performance and longevity in your products.

Polybutadiene Rubber (PBR) is a synthetic rubber made from the polymerization of butadiene. Renowned for its excellent wear resistance, low rolling resistance, and flexibility at low temperatures, PBR is a key material in the production of tires and various industrial applications. Its high resilience and durability make it ideal for demanding conditions.

Key Properties:

• Wear Resistance: Exceptional resistance to abrasion and wear.
• Flexibility: Maintains flexibility and elasticity in low temperatures.
• Low Rolling Resistance: Reduces fuel consumption and enhances performance in automotive applications.
• High Resilience: Excellent bounce-back characteristics, enhancing impact resistance and longevity.
• Good Aging Properties: Performs well under various environmental conditions.

Grades of Polybutadiene Rubber:

1. Standard Polybutadiene Rubber:

   • Description: The most common form, offering a balance of performance and cost-effectiveness for general use.
   • Applications: Tires, conveyor belts, and various industrial products.

2. High Cis-Polybutadiene Rubber:

   • Description: Contains a high proportion of cis-1,4-polybutadiene, which enhances the rubber's strength, wear resistance, and low-temperature flexibility.
   • Applications: High-performance tires, rubber footwear, and industrial components requiring superior durability and flexibility.

3. Low Cis-Polybutadiene Rubber:

   • Description: Features a lower cis content, which provides different performance characteristics such as improved processing properties.
   • Applications: Used in applications where ease of processing is more critical than extreme wear resistance.

4. Hydrogenated Polybutadiene Rubber (HB-PBR):

   • Description: A modified version with improved resistance to heat, ozone, and aging due to hydrogenation.
   • Applications: Used in specialized automotive and industrial applications where enhanced environmental stability is required.

5. Nitrile-Butadiene Rubber (NBR) Blend:

   • Description: A blend of polybutadiene and nitrile rubber, combining the properties of both for enhanced performance in specific applications.
   • Applications: Oil seals, gaskets, and other components requiring both oil resistance and wear resistance.

Applications:

• Automotive Industry: Primarily used in tires due to its excellent wear resistance and low rolling resistance.
• Industrial Goods: Conveyor belts, shock absorbers, and other products requiring high durability and flexibility.
• Consumer Products: Rubber footwear and sporting goods.

Polybutadiene Rubber is valued for its unique combination of wear resistance, flexibility, and durability, making it an essential material in a variety of demanding applications. Selecting the appropriate grade ensures that you meet specific performance requirements and enhance the longevity of your products.

Styrene-Butadiene Rubber (SBR) is a widely used synthetic rubber made from the copolymerization of styrene and butadiene. Known for its excellent wear resistance, flexibility, and processing properties, SBR is a staple in the tire industry and various other applications where durability and performance are essential.

Key Properties:

• Wear Resistance: Excellent resistance to abrasion and wear, making it ideal for high-stress applications.
• Flexibility: Maintains good flexibility at both low and high temperatures.
• Processing Ease: Offers excellent processing characteristics, which make it suitable for various manufacturing processes.
• Ozone and Aging Resistance: Good resistance to ozone and aging, though not as high as some other synthetic rubbers.
• Cost-Effectiveness: Generally more affordable than some other types of synthetic rubber.

Grades of Styrene-Butadiene Rubber:

1. General Purpose SBR:

   • Description: Standard grade of SBR with balanced properties for general use, offering a good combination of wear resistance, flexibility, and processability.
   • Applications: Tires, footwear, conveyor belts, and various industrial products.

2. High Styrene Content SBR:

   • Description: Contains a higher percentage of styrene, which improves rigidity, strength, and wear resistance. It also enhances the compatibility with other materials.
   • Applications: High-performance tires, impact-resistant coatings, and high-strength rubber products.

3. Low Styrene Content SBR:

   • Description: Features a lower styrene content, providing increased flexibility and improved low-temperature performance.
   • Applications: Applications where enhanced flexibility and elasticity are needed, such as in some automotive and industrial applications.

4. Solution-Polymerized SBR:

   • Description: Produced through solution polymerization, which allows for better control of molecular structure and properties, resulting in improved processability and performance.
   • Applications: High-quality tire treads, high-performance footwear, and advanced industrial applications.

5. Emulsion-Polymerized SBR:

   • Description: Manufactured via emulsion polymerization, this grade has good mechanical properties and is often used where ease of processing is critical.
   • Applications: General-purpose tires, various rubber goods, and general industrial applications.

6. Oil-Extended SBR:

   • Description: Contains added oils to improve processability and flexibility, while reducing costs.
   • Applications: Tires, seals, and gaskets where cost-effectiveness and improved processability are desired.

Applications:

• Automotive Industry: Primarily used in tires, including passenger car tires, truck tires, and off-road tires due to its excellent wear resistance and processing properties.
• Industrial Goods: Conveyor belts, hoses, gaskets, and seals, benefiting from SBR's durability and flexibility.
• Consumer Products: Footwear, sports equipment, and various rubber goods.

Styrene-Butadiene Rubber (SBR) is a versatile and cost-effective material known for its durability and flexibility. By choosing the right grade of SBR, you can tailor its properties to meet specific application needs, ensuring optimal performance and longevity.

Ethylene Propylene Diene Monomer (EPDM) is a type of synthetic rubber characterized by its high resistance to heat, ozone, and weathering. It is produced through the copolymerization of ethylene, propylene, and a diene component, which provides it with excellent elasticity, flexibility, and durability. EPDM is widely used in automotive, industrial, and construction applications.

Key Properties:

• Weather and Ozone Resistance: Exceptional resistance to outdoor weather conditions, including ozone and UV exposure.
• Heat Resistance: Maintains performance at high temperatures, making it suitable for applications involving heat exposure.
• Chemical Resistance: Good resistance to many chemicals, including acids and alkalis.
• Flexibility: Retains flexibility and elasticity even at low temperatures.
• Low Water Absorption: Resists moisture absorption, which enhances durability in wet environments.

Grades of Ethylene Propylene Diene Monomer (EPDM):

1. General Purpose EPDM:

   • Description: Standard grade with a balanced combination of properties suitable for a variety of general applications.
   • Applications: Automotive seals, weather stripping, gaskets, and industrial hoses.

2. High-Diene EPDM:

   • Description: Contains a higher percentage of diene, which improves the rubber's cross-linking and mechanical properties, enhancing strength and durability.
   • Applications: High-performance automotive parts, industrial seals, and high-stress applications requiring superior mechanical properties.

3. Low-Diene EPDM:

   • Description: Features a lower diene content, which results in better processing characteristics and improved resistance to heat and aging.
   • Applications: Standard automotive and industrial applications where ease of processing and resistance to aging are key.

4. EPDM with Oil Extension:

   • Description: Contains added oils to improve processability and reduce costs while maintaining good flexibility and performance.
   • Applications: Automotive gaskets, seals, and other applications where cost-effectiveness and enhanced processing are needed.

5. EPDM for Electrical Insulation:

   • Description: Specially formulated for electrical insulation applications, offering enhanced dielectric properties and stability.
   • Applications: Electrical cable insulation, wires, and connectors requiring high dielectric strength.

6. Modified EPDM:

   • Description: Enhanced with additional additives or processing modifications to improve specific properties such as adhesion, compatibility with other materials, or processing ease.
   • Applications: Specialized automotive and industrial applications requiring tailored properties.

Applications:

• Automotive Industry: Seals, gaskets, weather stripping, and hoses, benefiting from EPDM’s resistance to weathering, heat, and ozone.
• Construction and Roofing: Roofing membranes, seals, and insulation due to its durability and weather resistance.
• Industrial Uses: Hoses, belts, and seals in industrial environments where flexibility, heat resistance, and chemical resistance are crucial.

Ethylene Propylene Diene Monomer (EPDM) offers a versatile range of properties that make it suitable for various demanding applications. Selecting the right grade of EPDM ensures that you achieve the desired performance and durability for your specific needs.

Butyl Rubber is a synthetic rubber produced through the polymerization of isobutylene, often with a small amount of isoprene. Known for its exceptional impermeability to gases and moisture, Butyl Rubber is widely used in applications requiring excellent sealing properties and resistance to aging, weathering, and chemicals.

Key Properties:

• Gas and Moisture Barrier: Outstanding impermeability to gases (such as air and carbon dioxide) and moisture, making it ideal for applications requiring effective sealing.
• Chemical Resistance: Good resistance to acids, alkalis, and other chemicals.
• Weather and Ozone Resistance: Excellent resistance to aging, weathering, and ozone exposure, maintaining performance over time.
• Flexibility: Maintains flexibility at low temperatures, although not as high as some other rubber types.
• Low Heat Build-Up: Reduced heat build-up during flexing, which helps in applications involving repetitive motion or impact.

Applications:

• Tires: Used in inner linings of tires due to its superior air and moisture barrier properties, helping to maintain tire pressure and extend lifespan.
• Seals and Gaskets: Employed in various sealing and gasketing applications, including automotive and industrial environments, where effective sealing and resistance to environmental factors are essential.
• Vacuums and Pressure Chambers: Ideal for use in applications requiring a strong barrier to gases and moisture.
• Rubber Products: Utilized in products like inner tubes, protective coatings, and specialized industrial components due to its overall durability and resistance to degradation.

Butyl Rubber's unique combination of properties makes it a critical material in numerous applications where performance and longevity are paramount.