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SL4139

Updated: 2026-07-15

Overview

SL4139 is a premium industrial lubricant formulated to meet the demanding requirements of heavy machinery and automotive applications. It is engineered to provide superior performance under extreme conditions, including high temperatures and heavy loads. The lubricant's advanced additive package ensures long-lasting protection against wear, oxidation, and corrosion, making it a preferred choice for B2B buyers in manufacturing and transportation sectors. SL4139 is compatible with a wide range of materials, including metals and elastomers commonly found in industrial equipment. Its versatility and reliability have made it a staple in industries where equipment longevity and operational efficiency are critical.

Physical and Chemical Properties

SL4139 电子元器件 Slkor/萨科微 封装SOT-23-5 批次23+深圳市诚研翔科技有限公司

SL4139 exhibits a high viscosity index, ensuring consistent performance across a broad temperature range. Its density typically ranges between 0.88 and 0.92 g/cm³, and it remains stable at temperatures exceeding 300°C. The lubricant's insolubility in water makes it ideal for applications where moisture exposure is a concern. The formulation includes advanced anti-wear additives that form a protective film on metal surfaces, reducing friction and preventing component degradation. Additionally, SL4139 demonstrates excellent resistance to oxidation, which minimizes sludge formation and extends service intervals.

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UT探伤级别解析
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Main Applications

SL4139 is extensively used in heavy-duty industrial machinery, including hydraulic systems, gearboxes, and compressors. Its thermal stability and load-bearing capacity make it suitable for high-stress environments such as mining, construction, and marine operations. In the automotive sector, SL4139 is employed in diesel engines, transmissions, and differentials, where it enhances fuel efficiency and reduces maintenance costs. Its compatibility with synthetic and mineral-based oils allows for flexible blending options, catering to diverse operational needs.

Safety and Storage

1.0SMBJ90CA  C90 电子元器件 BORN伯恩 封装SMB 批次24+深圳市诚研翔科技有限公司

Proper handling of SL4139 is essential to ensure workplace safety. The lubricant should be stored in sealed containers away from heat sources and open flames. Personal protective equipment, such as gloves and safety goggles, is recommended during handling to prevent skin and eye irritation. In case of spills, absorbent materials like sand or clay should be used to contain the liquid, followed by proper disposal in accordance with local regulations. Ventilation is crucial when using SL4139 in enclosed spaces to avoid inhalation of vapors.

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B2B Procurement Guide

When procuring SL4139, B2B buyers should prioritize suppliers with ISO certification or other industry-recognized quality standards. Requesting technical datasheets and product samples can help verify performance claims. Bulk purchases often qualify for discounts, but buyers should confirm storage capabilities to maintain product integrity. It is advisable to establish long-term contracts with reliable suppliers to ensure consistent quality and timely delivery. Additionally, buyers should stay informed about regulatory updates related to lubricant formulations to ensure compliance with environmental and safety standards.

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