{"id":1252,"date":"2025-11-19T16:20:32","date_gmt":"2025-11-19T12:50:32","guid":{"rendered":"https:\/\/myepanel.ir\/apit\/?post_type=product&p=1252"},"modified":"2025-11-19T16:24:33","modified_gmt":"2025-11-19T12:54:33","slug":"lubricant-base-oil","status":"publish","type":"product","link":"https:\/\/apitpetro.com\/en\/product\/lubricant-base-oil\/","title":{"rendered":"Lubricant Base Oil"},"content":{"rendered":"

What is Base Oil?<\/strong><\/p>\n

Base oil is a refined petroleum product or synthetic liquid that provides the viscosity, lubricity, and stability required in lubricants. Its refining process and quality directly determine how well a lubricant performs under heat, load, and long operating cycles.<\/p>\n

\n

API Classification of Base Oils<\/strong><\/p>\n

The American Petroleum Institute (API) classifies base oils into five main groups:<\/p>\n

    \n
  1. Group I Base Oils<\/strong><\/li>\n<\/ol>\n
      \n
    • Produced by solvent refining.<\/li>\n
    • Viscosity index: 80 \u2013 120.<\/li>\n
    • Higher sulfur and aromatic content.<\/li>\n
    • Commercial grades:\n
        \n
      • SN150 \u2192 Light viscosity base oil, used in engine oils, hydraulic fluids, and transformer oils.<\/li>\n
      • SN500 \u2192 Heavier viscosity base oil, used in gear oils, marine lubricants, and industrial greases.<\/li>\n<\/ul>\n<\/li>\n
      • Applications: Automotive, marine, and general industrial lubricants.<\/li>\n<\/ul>\n

        \n

          \n
        1. Group II Base Oils<\/strong><\/li>\n<\/ol>\n
            \n
          • Produced through hydrocracking.<\/li>\n
          • Clearer color, lower sulfur, improved oxidation stability.<\/li>\n
          • Widely used in modern automotive lubricants and industrial applications.<\/li>\n<\/ul>\n

            \n

              \n
            1. Group III Base Oils<\/strong><\/li>\n<\/ol>\n
                \n
              • Highly refined through hydrocracking and hydroisomerization.<\/li>\n
              • Viscosity index: \u2265120, ultra-low sulfur.<\/li>\n
              • Often labeled as synthetic or semi-synthetic oils.<\/li>\n
              • Used in high-performance automotive engines.<\/li>\n<\/ul>\n

                \n

                  \n
                1. Group IV Base Oils (PAO \u2013 Polyalphaolefins)<\/strong><\/li>\n<\/ol>\n
                    \n
                  • Fully synthetic base oils.<\/li>\n
                  • Excellent performance in extreme hot and cold conditions.<\/li>\n
                  • Common in aviation, aerospace, and advanced automotive applications.<\/li>\n<\/ul>\n

                    \n

                      \n
                    1. Group V Base Oils<\/strong><\/li>\n<\/ol>\n
                        \n
                      • All other base oils not included in Groups I\u2013IV (e.g., esters, naphthenics).<\/li>\n
                      • Typically blended with other groups to enhance lubricity, solubility, or seal compatibility.<\/li>\n<\/ul>\n

                        \n

                        Industrial Applications of Base Oils<\/strong><\/p>\n

                        Base oils play a critical role in multiple industries:<\/p>\n

                          \n
                        • Automotive: Engine oils, transmission fluids, and hydraulic oils.<\/li>\n
                        • Industrial: Turbine oils, compressor oils, gear lubricants.<\/li>\n
                        • Marine & Aviation: High-performance lubricants for engines and systems.<\/li>\n
                        • Metalworking: Cutting fluids, rust-preventive oils.<\/li>\n
                        • Greases: Thickened with soap to produce industrial greases.<\/li>\n<\/ul>\n

                          \n

                          Why SN150 and SN500 are the Most Demanded Grades<\/strong><\/p>\n

                          In global trade, SN150 and SN500 are the most widely used Group I base oil grades due to their balance of performance and cost-effectiveness:<\/p>\n

                            \n
                          • SN150 \u2192 Light viscosity, excellent low-temperature flow, ideal for blending automotive and industrial lubricants.<\/li>\n
                          • SN500 \u2192 Higher viscosity, excellent film strength, preferred for gear oils, marine lubricants, and greases.<\/li>\n<\/ul>\n

                            \n

                            Their availability, versatility, and relatively lower price compared to synthetic base oils make them the backbone of the global lubricants market.<\/p>\n

                            \n

                            Why Choose Us as Your Base Oil Supplier?<\/strong><\/p>\n

                            Whether you need light base oils like SN150 or heavy base oils like SN500, or even synthetic PAO for advanced applications, we deliver customized solutions to meet your specific requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"

                            Base oils are the essential raw materials in the formulation of lubricants, accounting for 70% to 90% of the final product. When blended with performance additives, base oils help create lubricants that minimize friction, reduce wear, improve energy efficiency, and extend machinery life.<\/p>\n","protected":false},"featured_media":1253,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[43],"product_tag":[],"class_list":{"0":"post-1252","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-petroleum-products","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/product\/1252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/comments?post=1252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/media\/1253"}],"wp:attachment":[{"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/media?parent=1252"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/product_brand?post=1252"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/product_cat?post=1252"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/apitpetro.com\/en\/wp-json\/wp\/v2\/product_tag?post=1252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}