Description
1. Product Overview
Sulfonated Base Oil Intermediate is a chemically modified petroleum-based oil engineered to serve as a high-performance feedstock for producing industrial emulsifiers, rust preventives, and extreme-pressure lubricant additives. It is primarily used in the formulation of metalworking fluids, hydraulic oils, and automotive greases where phase stability and oxidative resistance are critical. The key value proposition is its ability to lower overall formulation costs while enhancing load-carrying capacity and wetting characteristics. Strategically, it bridges the gap between commodity base oils and specialty sulfonates, offering refiners a flexible intermediate in a tightening sulfur-additive supply chain.
2. Key Specifications & Technical Characteristics
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Chemical composition: Heavy alkylate petroleum sulfonate intermediate (synthetic or natural feedstock variant available)
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Purity level: Active sulfonate content 62–68% (typical) | Sulfur content 2.5–4.0%
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Physical characteristics: Dark amber viscous liquid; density 0.98–1.05 g/cm³ @ 20°C; viscosity 150–350 cSt @ 40°C
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Packaging options: 200 kg steel drums, 1,000 kg IBC totes, bulk ISO tanks, flexitanks
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Shelf life: 24 months in sealed, non-corrosive environment (avoid moisture ingress)
3. Core Industrial Applications
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Primary industries: Metalworking fluids, industrial lubricants, oilfield chemicals, automotive grease manufacturing
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Specific use cases: As a co-emulsifier in semi-synthetic cutting fluids; as a corrosion inhibitor in hydraulic systems exposed to saline atmospheres; as a dispersant in heavy-duty engine oil additivation
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Performance advantage: Outperforms petroleum sulfonates with lower active matter due to consistent neutralization levels, reducing batch rework. Achieves 15–20% better demulsibility in water-mix applications versus non-sulfonated intermediates.
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Efficiency gain: Lowers required treat rates by 8–12% in rust preventive formulations compared to generic sulfonate blends.
4. Competitive Advantages
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Quality consistency: ISO 9001:2025 certified production with every batch tested for DIN 51517 and ASTM D3712 compliance; coefficient of variation <3% for active content
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Supply reliability: Dual-sourced feedstocks and three continentally positioned blending hubs (Americas, EMEA, Asia-Pacific)
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Logistics capability: 48-hour dispatch for bulk orders; real-time tracking via B2B portal
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Price competitiveness: Contract pricing locked for 6–12 months with volume escalators; 5–7% below European spot average for equivalent sulfonate intermediates
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Sustainability benefit: Available with ISCC PLUS certified circular feedstock pathway (mass balance approach)
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Technical support: Dedicated formulation chemist assigned per key account; full SDS, TDS, and regulatory compliance pack (REACH, TSCA, K-REACH)
5. Commercial & Supply Information
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Minimum order quantity (MOQ): 20 MT (bulk) or 16 MT (palletized drums/IBC)
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BULK 20MT loading capacity: 20 MT per standard ISO tank container (20-foot) or 20 MT per flexitank inside 20-foot dry container
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Typical loading per container: 80 drums (16 MT) per 20-foot container; 24 IBC totes (24 MT) per 40-foot container






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