Natural rubber is derived from the sap of the Hevea brasiliensis tree, commonly known as the rubber tree. It is a renewable resource primarily cultivated in tropical regions. On the other hand, Sbr is a synthetic rubber produced through the polymerization of styrene and butadiene, which are derived from petroleum. Natural rubber is composed of polymers of isoprene, a naturally occurring monomer. SBR, as the name suggests, is a copolymer made by combining styrene and butadiene monomers. The ratio of styrene to butadiene can vary, resulting in different grades of SBR with varying properties.

Both SBR and natural rubber are elastomers, meaning they exhibit elastic properties and can undergo significant deformation and recover their original shape upon release of stress. They both possess a high degree of flexibility, allowing them to be stretched and bent without permanent deformation. Both SBR and natural rubber are composed of long-chain polymers. Natural rubber is made up of polyisoprene, a naturally occurring polymer, while SBR is a copolymer composed of styrene and butadiene. In both cases, the polymer chains provide the rubber compounds with their unique properties.

Both SBR and natural rubber can be modified by incorporating fillers, reinforcing agents (such as carbon black), and additives to enhance specific properties. These modifications can improve properties such as abrasion resistance, tear strength, and hardness, making the rubbers suitable for different applications.Both SBR and natural rubber have environmental implications. Natural rubber is a renewable resource derived from the rubber tree, making it more environmentally friendly in terms of resource availability. SBR, as a synthetic rubber, is derived from Petroleum and has a higher environmental impact associated with its production and disposal.

SBR and natural rubber are generally similar. However, some properties of Styrene butadiene rubber have made natural rubber perform better than it. Some of these properties include the lower resistance of this polymeric material to tensile, heat accumulation and waste generation. Of course, by adding reinforcing filters and resins, these properties can be improved. It should be noted that the existence of some properties also makes this material superior to natural rubber. These features include the following:

• This polymeric material can be processed more than natural rubber.
• Styrene butadiene rubber erosion is less against heat.
• This material is less likely to burn than natural rubber.

In general, the presence of the following properties makes styrene butadiene rubber superior to other similar materials.

• High access to these materials
• Lower cost of this polymeric material than other composite rubbers
• Ability to add filler to it to a large extent
• Relatively more stable price compared to natural rubber
• Higher utility in general in terms of performance and cost

Both SBR and natural rubber can undergo the process of vulcanization to enhance their properties. Vulcanization involves the addition of sulfur or other cross-linking agents and the application of heat to create stronger Chemical bonds between polymer chains. This process improves the rubber's strength, elasticity, and resistance to heat, aging, and deformation. Both SBR and natural rubber find applications in various industries due to their desirable properties. They are used in the automotive industry for tire manufacturing, in the production of seals, gaskets, and other rubber components, and in various consumer and industrial products.

Natural rubber exhibits excellent elasticity, tear resistance, and low-temperature flexibility. It has high resilience and good tensile strength. SBR, on the other hand, offers a balance of properties such as abrasion resistance, flexibility, and resilience. It can be formulated to have properties similar to natural rubber, but it generally has lower resilience and tear resistance compared to natural rubber. Natural rubber has better resistance to aging and weathering compared to SBR. It can withstand exposure to sunlight, ozone, and other environmental factors more effectively. SBR may require additional additives or treatments to enhance its resistance to aging and weathering.

SBR is generally less expensive than natural rubber. Natural rubber's cost is influenced by factors such as geographical location, supply and demand dynamics, and environmental conditions affecting rubber tree cultivation. SBR's synthetic production method allows for greater cost control, making it more cost-effective in many applications. Natural rubber finds extensive use in applications where its superior elasticity and resilience are required. It is commonly used in tires, automotive components, seals, gaskets, and other products that demand high-performance rubber. SBR, with its balanced properties and cost-effectiveness, is used in a wide range of applications including tire manufacturing, footwear, conveyor belts, adhesives, and construction materials.