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Gym rubber mats are an indispensable component of both commercial and home fitness spaces, and their thickness directly determines performance, safety, durability, and user experience. This article explores the core impacts of gym rubber mat thickness on key aspects such as shock absorption, noise and vibration control, subfloor and equipment protection, workout stability, comfort, and durability. It also provides targeted recommendations for thickness selection based on different workout types (e.g., cardio, weightlifting, yoga) and gym settings (home gyms, commercial gyms), helping fitness enthusiasts and gym operators make informed decisions. Choosing the right thickness not only optimizes the workout environment but also extends the service life of the mats and reduces maintenance costs, avoiding common problems such as subfloor damage, excessive noise, and unstable training surfaces caused by improper thickness selection.

Styrene-butadiene rubber (SBR) is a widely produced synthetic rubber copolymer formed by the polymerization of styrene and butadiene monomers. As one of the most common general-purpose synthetic rubbers globally, it serves as a cost-effective alternative to natural rubber, offering favorable abrasion resistance, thermal stability, and mechanical durability. SBR is categorized primarily by its polymerization process—emulsion (E-SBR) and solution (S-SBR)—and finds extensive application across tire manufacturing, industrial components, consumer goods, and construction materials. This review outlines its chemical structure, production methods, key properties, major applications, and industrial significance.

Ethylene-propylene-diene monomer (EPDM) rubber is a saturated elastomer widely used in automotive, construction, and wire & cable industries due to its excellent weather resistance, heat aging resistance, and chemical stability. The ethylene content is one of the most critical structural parameters that dominantly determines the crystallization behavior, processability, and final mechanical and functional properties of EPDM. This paper systematically reviews the influence of ethylene content (ranging from 45 wt% to 80 wt%) on the molecular structure, crystallization, rheological properties, mechanical performance, low-temperature flexibility, and application adaptability of EPDM. The results indicate that increasing ethylene content promotes the formation of polyethylene crystallites, which act as physical cross-linking points, effectively enhancing the hardness, tensile strength, tear resistance, and compression set resistance of vulcanizates. However, the increased crystallinity lead

Rubber floor mats are versatile floor coverings made of natural, synthetic or recycled rubber materials, featuring excellent durability, slip resistance, impact absorption and easy maintenance. Due to their outstanding performance, they are widely applied in residential, commercial, industrial, sports and public environments. This article elaborates on the main uses of rubber floor mats in various scenarios, highlighting their role in ensuring safety, protecting floors, enhancing comfort and reducing noise, so as to provide a comprehensive understanding of their practical value.

Rubber content is the core parameter determining the performance of EPDM (Ethylene Propylene Diene Monomer) granules. This article systematically analyzes the critical impact of rubber content on physical properties such as elasticity, durability, and weather resistance. It provides clear, evidence-based rubber content recommendations tailored to different application scenarios, including residential areas, public playgrounds, school sports fields, and professional athletic facilities. By referencing international standards (e.g., EN 71-3, Labosport) and Chinese national standards (GB/T 14833-2020, GB 36246-2018), this guide helps engineers, contractors, and purchasers balance performance, safety, and cost-effectiveness to achieve optimal material selection.