Benefits of Natural Rubber and How to Choose Natural Rubber

September 28, 2023


  Natural rubber is widely used in the production of various products and industrial products because it has a variety of excellent properties.

  First of all, natural rubber has good resilience, insulation, water barrier and plasticity properties. These physical properties can ensure that natural rubber can be processed into various daily necessities, such as medical gloves, blood transfusion tubes, etc.

Secondly, natural rubber has excellent mechanical properties, and its quality and performance losses will be very small after repeated processing. Natural rubber maintains good elasticity at both low and high temperatures, making it widely used in the manufacture of various tires and other industrial rubber products.

In addition, natural rubber also has good cold resistance, excellent air tightness, waterproofness, electrical insulation and thermal insulation properties, allowing it to maintain good performance in various environments.


  When choosing natural rubber, you need to consider its vulcanization degree, wear resistance, corrosion resistance, impact resistance and other aspects. Here are specific suggestions:

1. Choose rubber with different vulcanization degrees according to actual needs. Soft rubber has the best elasticity and is suitable for situations with large temperature changes and shock and vibration, but its corrosion resistance and permeability resistance are relatively poor; semi-hard rubber has medium elasticity and hardness and is suitable for daily use, while hard rubber has High corrosion resistance, heat resistance and mechanical strength, but wear resistance is slightly inferior to soft rubber.

2. Wear resistance. The better the wear resistance, the more durable the rubber material is, which can extend the service life of the product to a certain extent. Therefore, when choosing natural rubber, pay attention to its wear resistance.

3. Corrosion resistance. Natural rubber has good chemical stability and can withstand corrosion from general non-oxidizing strong acids, organic acids, alkaline solutions and salt solutions. Therefore, when choosing natural rubber, pay attention to its corrosion resistance.

4. Impact resistance. Natural rubber has good resilience, insulation, water barrier and plasticity properties, so it has good impact resistance. When choosing natural rubber, pay attention to whether its impact resistance meets actual needs.


  Natural rubber can be judged by the following methods:

1. Observe the appearance of the rubber. Natural rubber is usually black or dark red, while synthetic rubber is usually white or light-colored. Additionally, natural rubber typically has a rougher surface, while synthetic rubber typically has a smoother surface.

2. Observe the flexibility of the rubber. Natural rubber is generally more flexible, while synthetic rubber is generally less flexible.

3. Judge through some professional tests. For example, vulcanization characteristics, Mooney viscosity, plasticity, density, resistivity, oxygen index, tensile strength, Young's modulus, solid content, pH value, vertical and horizontal combustion, volatile matter detection, resilience, abrasion , residue content and other items to judge.

4. The type of rubber can be preliminarily judged by its smell, but it cannot be 100% certain. Different types of rubber have their own unique smells. For example: natural rubber has a strong smell, similar to the smell of plants, and also has a special medicinal smell. The smell of synthetic rubber is pungent, similar to the smell of chemicals.


  In short, when choosing natural rubber, you need to consider multiple factors such as actual use scenarios, performance requirements, and cost budget, and conduct a comprehensive comparison and selection.

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