{"product_id":"natural-rubber-nr","title":"Natural Rubber (NR)","description":"\u003ch2\u003eNatural Rubber (NR): High-Performance Biobased Elastomer\u003c\/h2\u003e\u003cp\u003eNatural Rubber (NR), derived from the latex of the Hevea brasiliensis tree, is a biobased elastomer offering exceptional tensile strength, resilience, and dynamic properties. As the original elastomer with over 150 years of industrial use, natural rubber remains the benchmark for mechanical performance in automotive, industrial, and commercial applications requiring superior elasticity, tear resistance, and fatigue life.\u003c\/p\u003e\u003ch3\u003eKey Properties of Natural Rubber\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Tensile Strength:\u003c\/strong\u003e Highest tensile strength among common elastomers (3,000–4,500 psi)—superior to most synthetics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding Resilience:\u003c\/strong\u003e Excellent rebound and energy return—ideal for dynamic applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Tear Resistance:\u003c\/strong\u003e High resistance to crack propagation and mechanical damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Heat Build-Up:\u003c\/strong\u003e Minimal hysteresis during flexing—reduces heat generation in dynamic applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Low-Temperature Flexibility:\u003c\/strong\u003e Maintains flexibility to -60°F (-50°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e Performs from -60°F to 180°F (-50°C to 82°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Abrasion Resistance:\u003c\/strong\u003e Excellent wear resistance for high-friction applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesion Properties:\u003c\/strong\u003e Bonds well to metals and fabrics for composite structures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications \u0026amp; Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Manufacturing:\u003c\/strong\u003e Tire sidewalls, inner liners, truck tires—leverages superior tear and fatigue resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive:\u003c\/strong\u003e Engine mounts, suspension bushings, vibration isolators, hoses, belts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial:\u003c\/strong\u003e Conveyor belts, rubber rollers, printing blankets, seismic isolators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical:\u003c\/strong\u003e Surgical gloves, medical tubing, catheters, elastic bandages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootwear:\u003c\/strong\u003e Shoe soles requiring high resilience and comfort\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesives \u0026amp; Sealants:\u003c\/strong\u003e Pressure-sensitive adhesives, construction sealants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSports Equipment:\u003c\/strong\u003e Balls, grips, elastic components requiring high rebound\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdvantages of Natural Rubber\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHighest tensile strength and tear resistance among common elastomers\u003c\/li\u003e\n\u003cli\u003eSuperior resilience and rebound—ideal for dynamic and vibration-dampening applications\u003c\/li\u003e\n\u003cli\u003eExcellent low-temperature flexibility down to -60°F\u003c\/li\u003e\n\u003cli\u003eLow heat build-up during flexing extends service life in dynamic applications\u003c\/li\u003e\n\u003cli\u003eOutstanding fatigue resistance for long-term cyclic loading\u003c\/li\u003e\n\u003cli\u003eGood abrasion resistance for high-wear applications\u003c\/li\u003e\n\u003cli\u003eRenewable, biobased resource with lower carbon footprint than petroleum-based synthetics\u003c\/li\u003e\n\u003cli\u003eExcellent adhesion to metals and fabrics for bonded assemblies\u003c\/li\u003e\n\u003cli\u003eCost-competitive with synthetic elastomers for many applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLimitations \u0026amp; Disadvantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoor Weather Resistance:\u003c\/strong\u003e Limited UV, ozone, and outdoor aging resistance—degrades in sunlight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Oil or Fuel Resistance:\u003c\/strong\u003e Swells and degrades in petroleum oils, fuels, and hydrocarbons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimited Chemical Resistance:\u003c\/strong\u003e Poor resistance to acids, alkalis, and most solvents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Limitations:\u003c\/strong\u003e Lower maximum temperature (180°F) than specialty synthetics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxidation Sensitivity:\u003c\/strong\u003e Requires antioxidants and antiozonants for outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Variability:\u003c\/strong\u003e Natural product subject to agricultural factors and price fluctuations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllergen Concerns:\u003c\/strong\u003e Contains proteins that can cause latex allergies in sensitive individuals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNatural Rubber vs. Other Rubber Materials\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eNatural Rubber vs. SBR:\u003c\/strong\u003e Natural rubber offers superior tensile strength, resilience, and tear resistance, while SBR provides better abrasion resistance and heat aging. Natural rubber is preferred for tire sidewalls and high-flex applications; SBR for tire treads and high-wear surfaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Rubber vs. NBR (Nitrile):\u003c\/strong\u003e NBR excels in oil and fuel resistance, while natural rubber provides superior mechanical properties and resilience. Use natural rubber for non-petroleum, high-strength applications; NBR for oil\/fuel contact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Rubber vs. EPDM:\u003c\/strong\u003e EPDM offers superior weather, ozone, and UV resistance, while natural rubber provides better tensile strength and resilience. EPDM is the choice for outdoor sealing; natural rubber for indoor mechanical applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Rubber vs. Neoprene:\u003c\/strong\u003e Neoprene provides better weather, oil, and chemical resistance, while natural rubber offers superior tensile strength and lower cost. Natural rubber is preferred for high-strength, indoor applications; neoprene for multi-exposure environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural Rubber vs. Silicone:\u003c\/strong\u003e Silicone offers wider temperature range (-65°F to 450°F) and better weather resistance, but natural rubber significantly outperforms it in tensile strength, tear resistance, and cost-effectiveness for mechanical applications.\u003c\/p\u003e\u003ch3\u003eNatural Rubber Grades \u0026amp; Types\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRSS (Ribbed Smoked Sheet):\u003c\/strong\u003e Premium grade with excellent purity and consistency—grades 1–5 based on quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTSR (Technically Specified Rubber):\u003c\/strong\u003e Standardized grades (TSR 10, TSR 20) with controlled properties—most common industrial grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatex Concentrate:\u003c\/strong\u003e Liquid form for dipping, coating, and foam applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrepe Rubber:\u003c\/strong\u003e Pale-colored grades for light-colored products and specialty applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkim Rubber:\u003c\/strong\u003e Lower-grade material from latex processing—used in lower-cost applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompounding \u0026amp; Additives\u003c\/h3\u003e\u003cp\u003eNatural rubber is typically compounded with antioxidants and antiozonants to improve weather resistance, carbon black or silica for reinforcement, sulfur for vulcanization, and accelerators to control cure rate. Proper compounding can significantly extend outdoor service life and optimize properties for specific applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness Range:\u003c\/strong\u003e 30–95 Shore A (customizable by formulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 0.92–0.93\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e 3,000–4,500 psi (pure gum compounds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElongation at Break:\u003c\/strong\u003e 600–800% (varies by formulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResilience:\u003c\/strong\u003e 80–90% (highest among common elastomers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Set:\u003c\/strong\u003e Good at room temperature, moderate at elevated temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -60°F to 180°F continuous (-50°C to 82°C)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose Natural Rubber from Rubber Mexico?\u003c\/h3\u003e\u003cp\u003eOur natural rubber compounds are formulated using premium TSR and RSS grades with optimized antioxidant and antiozonant packages for maximum mechanical performance and service life. With in-house molding, extrusion, and bonding capabilities, we deliver precision-engineered natural rubber components tailored to your high-strength, high-resilience application requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed a custom natural rubber solution?\u003c\/strong\u003e Contact us for material selection guidance, compound development, antioxidant optimization, prototyping, and production support for your demanding mechanical applications.\u003c\/p\u003e","brand":"Rubber Mexico","offers":[{"title":"Default Title","offer_id":51662851539223,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/9395\/9447\/files\/Rubber_Floor_Mat.jpg?v=1762730782","url":"https:\/\/rubber-mexico.com\/es\/products\/natural-rubber-nr","provider":"Rubber Mexico","version":"1.0","type":"link"}