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GS Group

Updated: 2026-07-22

Overview

GS Caltex, a joint venture between South Korea’s GS Group and Chevron, is a major player in the Asian petroleum and petrochemical industries. Founded in 1967, the company operates one of the world’s largest single-site refineries in Yeosu, with a capacity exceeding 800,000 barrels per day. Its product portfolio spans gasoline, diesel, jet fuel, lubricants, and specialty chemicals, serving both domestic and export markets. The company emphasizes sustainable practices, investing in eco-friendly technologies like low-sulfur fuels and bio-based products. Its R&D focuses on energy efficiency and circular economy solutions, aligning with global decarbonization trends. GS Caltex also holds strategic partnerships with automotive and manufacturing sectors, ensuring tailored solutions for B2B clients.

Physical and Chemical Properties

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GS Caltex’s products exhibit diverse properties tailored to specific applications. For instance, its ULSD (Ultra-Low Sulfur Diesel) contains less than 10ppm sulfur, meeting stringent emission standards. Lubricants feature customized viscosity indices (e.g., 5W-30 for automotive engines) and additive packages to enhance wear resistance. Base oils produced by GS Caltex are classified under Group II and III, prized for their high purity and oxidative stability. Petrochemical outputs like paraxylene (PX) and benzene are critical feedstocks for plastics and synthetic fibers. Each product undergoes rigorous QC testing, ensuring consistency and performance under industrial conditions.

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Main Applications

GS Caltex supplies fuels and lubricants to South Korea’s automotive and transportation sectors, including partnerships with Hyundai and Kia. Its jet fuel is certified for international aviation (ASTM D1655), while marine fuels comply with IMO 2020 sulfur caps. Industrial clients rely on GS Caltex’s hydraulic oils, greases, and transformer fluids for machinery maintenance. The company also produces asphalt for road construction and bitumen modifiers for durable pavements. Petrochemical derivatives like PTA (Purified Terephthalic Acid) are essential for polyester manufacturing, serving textile and packaging industries globally.

Safety and Storage

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Handling GS Caltex products requires adherence to safety protocols. Flammable liquids like gasoline and naphtha must be stored in approved containers with flame arrestors. Static electricity prevention measures are critical during transfer operations. Lubricants and chemicals should be kept in dry, cool environments to prevent degradation. Spill kits and fire extinguishers (Class B) must be accessible in storage areas. Employees handling benzene or other hazardous materials require respirators and chemical-resistant gloves, per OSHA and local guidelines. Regular safety audits ensure compliance with ISO 14001 and OHSAS 18001 standards.

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B2B Procurement Guide

B2B buyers should prioritize supplier certifications when procuring GS Caltex products. Verify API licenses for lubricants or ISO 29001 for petroleum quality management. Bulk fuel purchases often include logistics support, with options for pipeline, tanker, or rail delivery. Negotiate long-term contracts to hedge against price volatility, especially for crude-linked products. For specialty chemicals like LAB (Linear Alkyl Benzene), confirm purity levels (e.g., ≥96%) and delivery schedules. GS Caltex’s digital platforms, such as its B2B portal, streamline order tracking and documentation for export clients. Consider regional distributors for smaller quantities to reduce lead times.

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