Rubber Compound

At Doshi Polymers, we take pride in our expertise and commitment to providing high-quality rubber compounds tailored to meet the diverse needs of our customers. With our extensive experience and dedication to innovation, we offer a comprehensive range of rubber compounds designed to deliver exceptional performance and reliability across various industries.

Our Range of Rubber Compounds:

1. Nitrile Rubber (NBR):

Description: NBR (Nitrile Butadiene Rubber), commonly known as Nitrile Rubber, is a synthetic rubber polymer known for its excellent resistance to oils, fuels, and chemicals. Composed of butadiene and acrylonitrile monomers, NBR exhibits exceptional durability, flexibility, and resilience in a wide range of applications.

Applications: NBR compounds find extensive use across various industries and applications, including:

  • Automotive: Seals, gaskets, O-rings, and hoses for engines, transmissions, and fuel systems.
  • Industrial: Seals, gaskets, and components for machinery, hydraulic systems, and fluid handling equipment.
  • Oil and Gas: Seals, packings, and components for oilfield equipment, drilling rigs, and pipeline systems.
  • Agriculture: Seals, gaskets, and hoses for agricultural machinery, irrigation systems, and chemical handling equipment.
  • Consumer Products: Gloves, seals, gaskets, and components for appliances, tools, and recreational equipment.

Benefits: NBR compounds offer a range of benefits, including:

  • Excellent Oil and Fuel Resistance: Resists swelling and degradation when exposed to oils, fuels, hydraulic fluids, and lubricants.
  • Good Chemical Resistance: Withstands exposure to a variety of chemicals, including acids, bases, solvents, and alcohols.
  • Flexibility and Resilience: Maintains elasticity and mechanical properties over a wide temperature range, from -30°C to +120°C (-22°F to +248°F).
  • Abrasion Resistance: Provides good resistance to wear and tear, making it suitable for dynamic sealing applications.
  • Cost-Effectiveness: Offers a balance of performance and affordability, making it a popular choice for a wide range of applications.
2. Ethylene Propylene Diene Monomer (EPDM):

Description: EPDM (Ethylene Propylene Diene Monomer) is a synthetic rubber known for its excellent weathering resistance, ozone resistance, and flexibility over a wide temperature range. Composed of ethylene, propylene, and diene monomer units, EPDM exhibits outstanding durability and resilience in outdoor and demanding applications.

Applications: EPDM compounds find widespread use across various industries and applications, including:

  • Automotive: Weatherstripping, seals, gaskets, and hoses for automotive doors, windows, hoods, and trunks.
  • Construction: Roofing membranes, window seals, expansion joints, and waterproofing membranes for buildings and infrastructure.
  • HVAC (Heating, Ventilation, and Air Conditioning): Seals, gaskets, and insulation for HVAC systems, refrigeration units, and ductwork.
  • Marine: Seals, gaskets, and components for boat hatches, windows, and doors, as well as marine decking and flooring.
  • General Industry: Seals, gaskets, and components for outdoor equipment, electrical enclosures, and industrial machinery.

Benefits: EPDM compounds offer a range of benefits, including:

  • Excellent Weathering Resistance: Resists degradation and maintains flexibility in outdoor environments, including exposure to sunlight, rain, snow, and ozone.
  • Wide Temperature Range: Retains elasticity and mechanical properties over a temperature range from -40°C to +120°C (-40°F to +248°F).
  • Good Chemical Resistance: Exhibits resistance to a variety of chemicals, acids, bases, and polar solvents.
  • UV Resistance: Provides protection against ultraviolet (UV) radiation, reducing the risk of degradation and color fading.
  • Long-Term Durability: Offers exceptional resistance to cracking, tearing, and aging, ensuring reliable performance over extended periods.
3. Viton Rubber (FKM):

Description: FKM (Fluoroelastomer) is a synthetic rubber known for its exceptional resistance to heat, chemicals, weathering, and fluids. Composed of fluorine, hydrogen, and carbon atoms, FKM exhibits remarkable durability and resilience even in the harshest conditions.

Applications: FKM compounds find widespread use across various industries and applications, including:

  • Automotive: Seals, gaskets, O-rings, and components for engines, transmissions, and fuel systems.
  • Aerospace: Seals, gaskets, and components for aircraft engines, hydraulic systems, and fuel seals.
  • Oil and Gas: Seals, packings, and components for downhole drilling, wellhead equipment, and pipeline systems.
  • Chemical Processing: Seals, gaskets, and components for pumps, valves, and reactors handling corrosive chemicals.
  • Industrial: Seals, gaskets, and components for high-temperature and chemical-resistant applications.

Benefits: FKM compounds offer a range of benefits, including:

  • Superior Heat Resistance: Withstands continuous exposure to high temperatures up to 200°C (392°F) and intermittent temperatures up to 250°C (482°F).
  • Excellent Chemical Resistance: Resists degradation and swelling when exposed to a wide range of chemicals, including acids, fuels, oils, and solvents.
  • Outstanding Weathering Resistance: Maintains integrity and performance in outdoor environments, resisting ozone, UV radiation, and weathering.
  • Low Gas Permeability: Provides effective barrier properties against gas permeation, reducing the risk of leakage in critical applications.
  • Long-Term Durability: Exhibits excellent compression set resistance, maintaining sealing integrity and dimensional stability over extended periods.
Customization Options

At Doshi Polymers, we understand that every application has unique requirements. That’s why we offer customization options for our rubber compounds, including:

  • Tailored formulations to meet specific performance criteria.
  • Custom colors, hardness levels, and surface finishes.
  • Assistance with material selection and product development.
Quality Assurance:
  • Our rubber compounds undergo rigorous quality control measures to ensure consistency and reliability.
  • We adhere to industry standards and best practices to deliver products that meet or exceed customer expectations.
  • Continuous monitoring and improvement processes to maintain the highest levels of quality and performance.

Conclusion: Choose Doshi Polymers as your trusted partner for premium-quality rubber compounds tailored to your exact specifications. With our expertise, innovation, and commitment to excellence, we are dedicated to helping you achieve success in your applications.

4. Hydrogenated Nitrile Butadiene Rubber – HNBR

HNBR (Hydrogenated Nitrile Butadiene Rubber) is a synthetic rubber known for its exceptional resistance to heat, oil, and chemicals. Produced by hydrogenating nitrile butadiene rubber (NBR), HNBR exhibits enhanced properties, making it ideal for demanding applications requiring superior performance and durability.

Applications: HNBR compounds find extensive use across various industries and applications, including:

  • Automotive: Seals, gaskets, O-rings, timing belts, and hoses for engines, transmissions, and fuel systems.
  • Oil and Gas: Seals, packings, and components for oilfield equipment, downhole drilling tools, and pipeline systems.
  • Industrial: Seals, gaskets, and components for machinery, pumps, valves, and hydraulic systems operating in harsh environments.
  • Aerospace: Seals, gaskets, and components for aircraft engines, fuel systems, and hydraulic systems requiring high-temperature and chemical resistance.
  • Chemical Processing: Seals, gaskets, and components for pumps, valves, and reactors handling aggressive chemicals, acids, and solvents.

Benefits: HNBR compounds offer a range of benefits, including:

  • Excellent Heat Resistance: Withstands continuous exposure to high temperatures up to 150°C (302°F) and intermittent temperatures up to 180°C (356°F).
  • Superior Oil and Chemical Resistance: Resists swelling, degradation, and fluid permeation when exposed to oils, fuels, hydraulic fluids, and aggressive chemicals.
  • Enhanced Mechanical Properties: Exhibits high tensile strength, abrasion resistance, and tear resistance, ensuring long-term durability and performance in dynamic applications.
  • Good Compression Set Resistance: Maintains sealing integrity and dimensional stability over extended periods of compression, minimizing the risk of seal failure.
  • Extended Service Life: Offers exceptional resistance to wear, aging, and environmental factors, providing reliable performance and longevity in demanding conditions.