Description
1. Product Overview
Base Oil Group I Bright Stock 150 is a high-viscosity, solvent-refined mineral oil derived from conventional crude fractions, engineered to impart superior adhesive and film-strength properties in lubricant formulations. It is primarily used as a blending component to increase viscosity and improve residue control in industrial and marine lubricants. The key value proposition is its cost-efficient enhancement of oil durability and wear protection in severe operating conditions. Strategically, it remains indispensable in markets where Group II/III bases are cost-prohibitive or under-supplied, ensuring formulation flexibility and supply chain resilience.
2. Key Specifications & Technical Characteristics
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Chemical composition: Solvent-refined hydrotreated mineral oil (CAS 64742-65-0), Group I base stock
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Purity/grade: Technical grade (non-additized base oil)
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Physical characteristics:
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Viscosity @ 100°C: 30–33 cSt
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Viscosity index: 95 minimum
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Flash point (COC): 280°C minimum
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Pour point: -9°C maximum
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Color (ASTM D1500): ≤ 6.0
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Density @ 15°C: 0.895–0.920 g/cm³
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Packaging options: Bulk (ISO tank, flexitank, tanker truck), 200L steel drums, 1000L IBC totes
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Shelf life: 36 months in original sealed container, away from moisture and extreme temperatures
3. Core Industrial Applications
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Primary industries: Industrial lubricant manufacturing, marine engine oils, heavy-duty gear oils, greases, metalworking fluids
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Operational use cases:
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Blending cylinder oils for low-speed crosshead marine diesel engines
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Producing high-viscosity industrial gear oils (ISO VG 460, 680)
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Manufacturing wire rope lubricants and open gear compounds
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Performance advantage over alternatives: Compared to lighter Group I or Group II oils, Bright Stock 150 provides superior oil film retention under boundary lubrication and reduces evaporative loss at high temperatures.
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Commercial advantage: Lowers total additive cost by enabling higher base-viscosity blends; extends drain intervals in gearboxes versus solvent-refined lower-viscosity stocks.
4. Competitive Advantages
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Quality consistency: ISO 9001:2015 certified refining with batch-to-batch kinematic viscosity and noack volatility control
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Supply reliability: Dedicated production lines and strategic storage hubs (Rotterdam, Houston, Singapore) ensuring ≤ 10-day lead times for bulk
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Logistics capability: Bulk, flexitank, and containerized drumming with heated transport options for cold climates
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Price competitiveness: 12–18% lower cost than average Group I Bright Spot price index (ICIS/Argus benchmark) on contract volumes
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Sustainability & documentation: Full product carbon footprint data available; compliant with REACH, TSCA, and China GB standards; includes Certificate of Analysis and Safety Data Sheet per batch
5. Commercial & Supply Information
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Minimum order quantity (MOQ): 20 metric tons (MT)
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Loading capacity:
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20’ ISO tank container: 20 MT
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40’ container (drums/IBC): 18–22 MT depending on pack type
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Flexitank in 20’ container: 24 MT maximum
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