Styrene Butadiene Rubber (SBR) is a synthetic rubber compound that is widely used in various industries. It is a type of elastomer, which means it exhibits both elastic and rubber-like properties. Sbr is a copolymer, meaning it is made by polymerizing two different monomers together: styrene and butadiene. The copolymerization process involves combining styrene and butadiene in the presence of a catalyst to form a chain of repeating units. The ratio of styrene to butadiene in the copolymer can vary, resulting in different grades of SBR with varying properties.

SBR is known for its excellent abrasion resistance, good resilience, and flexibility. It offers a balance of strength, toughness, and cost-effectiveness, making it suitable for a wide range of applications. It can be easily processed and molded into various shapes, making it adaptable for different manufacturing processes. The properties of SBR can be further modified by incorporating additives, fillers, and reinforcing agents during its formulation. These modifications can enhance specific characteristics such as heat resistance, oil resistance, or electrical conductivity, expanding its utility in different industries.

• SBR typically has a density in the range of 0.92 to 0.94 g/cm³.
• SBR generally has a hardness ranging from 50 to 90 Shore A, depending on the specific grade.
• The tensile strength of SBR can vary but is typically in the range of 10 to 25 MPa.
• SBR exhibits good elongation at break, typically ranging from 300% to 800%.
• SBR has moderate tear resistance, allowing it to withstand moderate levels of tearing or shearing forces.
• SBR offers good abrasion resistance, making it suitable for applications where wear resistance is required.
• SBR is known for its flexibility and resilience, allowing it to recover its shape after deformation.
• SBR maintains its flexibility and mechanical properties at low temperatures, making it suitable for cold environments.
• SBR has fair electrical insulation properties, but it is not typically used for applications requiring high electrical resistance.

SBR is a versatile and widely used synthetic rubber that offers a cost-effective alternative to natural rubber in many applications. Its properties and performance can be tailored to meet specific requirements, making it a valuable material in various industries. This material has the Chemical formula (C4-H6) (C8H8) X with the brand name SBR. SBR is the product of styrene and butadiene monomer (Styrene & Butadiene) and dimethyl formaldehyde solvent DMF and its density is different according to its styrene. It is about 0.92 to 0.95 grams per cubic centimeter.

This polymeric material, which has a non-polar state, does not melt in the curing state. SBR is such that it burns in the flame and after burning it continues to burn. The flame color of this polymer material is yellow to orange and is slightly noisy when burning. The smoke of this white material is grayish and contains carbon particles. Styrene butadiene rubber smells like CNG and does not drip on Flame is one of its features. It should be noted that when up to 50% of butadiene and styrene copolymer are butadiene, it is called SBR. Typically, 70 to 75% of the composition of monomers, is butadiene and 25 to 30% of it is styrene. Now, for whatever reason, the styrene ratio reaches more than 50%, the formed product will be strongly plastic, which is used in the production of leachate paints, or in other words, latex.