Introduction to NBR 90

NBR, or Nitrile-butadiene rubber, is a synthetic rubber copolymer known for its resilience and versatility. The “90” in NBR 90 refers to its hardness measure on the Shore A scale, indicating a high degree of hardness and resistance to wear.

Historical Development of NBR

Nitrile-butadiene rubber (NBR) was pioneered by the German chemical company ‘I.G. Farbenindusty’ between the two World Wars. Its development marked a significant advancement in the rubber industry, offering a robust alternative to natural rubber.

Key Characteristics of NBR 90

  • High Resistance to Oils and Fuels: NBR 90’s molecular structure makes it particularly resistant to oils, making it ideal for automotive and industrial applications.
  • Durability: With a hardness measure of 90 on the Shore A scale, NBR 90 exhibits superior wear resistance, ensuring longevity in demanding environments.
  • Temperature Resilience: NBR 90 can withstand a wide range of temperatures, making it suitable for various applications, from cold storage to high-heat industrial processes.

Suzhou Baoshida Rubber: Leading the Way in NBR 90 Production

With a commitment to quality and innovation, Suzhou Baoshida Rubber has established itself as a premier manufacturer of NBR 90 products in China. Their state-of-the-art facilities, combined with a team of experts, ensure products that meet global standards.

Applications of NBR 90 in Various Industries

  • Automotive: From gaskets to seals, NBR 90’s resistance to oils makes it indispensable in the automotive industry.
  • Construction: NBR 90 is used in various construction applications, especially where durability and resistance to wear are paramount.
  • Electronics: Its insulating properties make NBR 90 a preferred choice for certain electronic applications.

Navigating the Chinese NBR 90 Market: Tips for International Buyers

  • Understanding the Value Proposition: China’s vast manufacturing capabilities, combined with its access to raw materials, make it a hub for NBR 90 production.
  • Engaging with Reputable Suppliers: Companies like Suzhou Baoshida Rubber offer transparency, quality, and competitive pricing, ensuring a seamless buying experience.
  • Questions to Pose: From understanding the manufacturing process to inquiring about quality control measures, it’s essential to ask the right questions when sourcing from China.

The Manufacturing Process of NBR 90

The production of NBR 90 involves a series of intricate steps that ensure its unique properties:

  • Polymerization: The initial step involves the polymerization of butadiene and acrylonitrile, resulting in a copolymer that forms the base of NBR 90.
  • Vulcanization: This process involves treating the rubber with sulfur at high temperatures. It strengthens the rubber, enhancing its elasticity and resilience.
  • Hardening: To achieve the 90 Shore A hardness level, specific additives and curing agents are introduced. This step ensures the rubber’s enhanced resistance to wear and tear.
  • Quality Control: At Suzhou Baoshida Rubber, each batch undergoes rigorous testing. From tensile strength to elasticity, every aspect is scrutinized to ensure it meets the company’s high standards.

Environmental Considerations and NBR 90

With increasing global emphasis on sustainability, the rubber industry is no exception:

  • Recyclability: NBR 90, like many synthetic rubbers, can be recycled. This process reduces waste and promotes a circular economy.
  • Eco-friendly Production at Suzhou Baoshida Rubber: The company is committed to minimizing its carbon footprint. Through energy-efficient machinery and waste reduction strategies, Suzhou Baoshida Rubber ensures an eco-friendly production process.

The Competitive Landscape: China’s Dominance in the NBR 90 Market

China, with its vast manufacturing capabilities, has emerged as a global leader in the production of NBR 90:

  • Economies of Scale: Large-scale production facilities, like those of Suzhou Baoshida Rubber, allow for cost-effective manufacturing, ensuring competitive prices for buyers.
  • Innovation and R&D: Chinese manufacturers invest heavily in research and development, constantly seeking ways to enhance the properties of NBR 90 and expand its applications.


  • What sets NBR 90 apart from other rubber types?NBR 90’s unique combination of oil resistance, durability, and hardness makes it stand out in the rubber industry.
  • How does Suzhou Baoshida Rubber ensure the quality of its NBR 90 products?Through rigorous testing, quality control measures, and adherence to international standards, Suzhou Baoshida Rubber guarantees top-notch products.
  • Are there any specific care instructions for NBR 90 products?While NBR 90 is known for its durability, it’s advisable to store products away from direct sunlight and extreme temperatures to ensure longevity.
  • How does NBR 90 compare to other hardness levels in terms of applications?While NBR 90 is ideal for applications requiring high resistance to wear, other hardness levels might be more suitable for applications demanding higher flexibility.
  • What are the storage recommendations for NBR 90 products?It’s best to store NBR 90 products in a cool, dry place, away from direct sunlight and extreme temperatures.
  • Can Suzhou Baoshida Rubber customize NBR 90 products to specific requirements?Absolutely. With their expertise and advanced facilities, Suzhou Baoshida Rubber can tailor NBR 90 products to meet specific client needs.

NBR 90 stands as a testament to the advancements in synthetic rubber technology. Its unique properties make it indispensable in various industries. As the demand for high-quality rubber products continues to grow, companies like Suzhou Baoshida Rubber are at the forefront, ensuring that industries worldwide have access to the best that NBR 90 has to offer.