High-Temperature Grease: Types, Specs, and Selection Guide

XINGANG high-temperature grease product range. Source: Hangzhou Xingang Lubrication Technology Co., Ltd.

High-temperature grease is a lubricating grease formulated to maintain its structure and lubricating film at elevated operating temperatures where conventional multipurpose greases degrade. Selecting a high-temperature grease requires comparing thickener chemistry, dropping point, working temperature range, and extreme-pressure (EP) performance against the actual conditions of each lubrication point.

Hangzhou Xingang Lubrication Technology Co., Ltd. (XINGANG), established in 1993 and headquartered in Hangzhou, Zhejiang, China, is a national high-tech enterprise specializing in the research, development, production, and sales of high-performance lubricating greases and industrial lubricants. Its product line includes high-temperature grease, lithium grease, lithium complex grease, polyurea grease, calcium sulfonate complex grease, automotive grease, specialty performance greases, and OEM formulations. This guide covers the main types of high-temperature grease, their published specifications, and how to select the right one for industrial equipment.

Why High-Temperature Grease Fails — and What to Look For

Above approximately 120°C, conventional multipurpose grease begins to degrade. The base oil oxidizes, the thickener structure softens or hardens, and the grease can no longer maintain a continuous lubricating film. The result is carbon deposits, increased friction, bearing wear, shorter component life, and unplanned downtime.

In metallurgy and iron and steel plants, lubrication points face a combination of high temperature, heavy load, impact load, and humid or water-splash conditions. Bearings in continuous casting machines, rolling mills, kiln cars, gearboxes, conveyors, and vibrating screens operate beyond the capability of standard lithium soap greases.

A high-temperature grease for these conditions should provide:

• Good high-temperature thermal stability;
• Strong anti-water washout performance;
• Stable extreme-pressure and anti-impact properties;
• Low carbon residue after high-temperature aging;
• No corrosion to metal substrates.

Two international standards frame these requirements. ASTM D3336, published by ASTM International, is the standard test method used to evaluate the life of lubricating greases in ball bearings at elevated temperatures up to 400°F (204°C). DIN 51502 classifies high-temperature greases by maximum operating temperature using letters: K (+120°C), M (+120°C with water), N (+140°C), P (+160°C), R (+180°C), S (+200°C), T (+220°C), and U (>+220°C).

High-Temperature Grease Market and Technology Trends

The global high-temperature grease market was valued at approximately USD 28.04 billion in 2025 and is projected to reach USD 48.71 billion by 2035, according to Vertex AI Search market data. Asia Pacific led the market in 2025 with a 38% global share, driven by automotive manufacturing hubs, as reported by Market Research Future. The automotive segment captured 42.6% of high-temperature grease demand in 2025, the largest application category.

Thickener chemistry remains the key differentiator. Lithium and lithium complex greases are the most widely used, accounting for 38.3% and 18.6% of global grease production respectively in 2024, according to STLE (Society of Tribologists and Lubrication Engineers). At the same time, calcium sulfonate complex grease production grew by 7.7% globally in 2024, gaining traction in heavy-duty industrial applications due to superior water resistance. Polyurea greases are increasingly specified for electric vehicle wheel bearings and turbine yaw drives because of oxidation resistance across temperature cycles from -40°C to +180°C.

Raw material economics also influence selection. Lithium prices surged 80% to 120% between 2021 and 2023, driving manufacturers to adopt polyurea and calcium sulfonate alternatives for high-temperature applications to avoid cost volatility (STLE). In China, finished lubricant exports rose by 10% to 260,000 metric tons in 2024, reflecting growing reliance on overseas markets (Lubes'N'Greases / China Customs).

XINGANG High-Temperature Grease Product Range

XINGANG's high-temperature grease range covers four thickener chemistries: lithium grease, lithium complex grease, polyurea grease, and calcium sulfonate complex grease. Each family is formulated for a different combination of temperature, load, and environmental conditions.

1. Lithium Grease (XG/L1, XG/L2)

Lithium grease is XINGANG's multipurpose grease with a working temperature of -20~120°C and a dropping point of ≥180°C. It is based on lithium soap and mineral oil, and is suitable for multi-purpose, automotive, metallurgy, and power tool applications.

2. Lithium Complex Grease (XG/HP, XG/HP-R)

Lithium complex grease (XG/HP) — working temperature -20~180°C, dropping point 300°C.

XINGANG lithium complex grease is a high-temperature extreme-pressure lithium complex grease with a working temperature of -20~180°C, a dropping point of 300°C, and a PD value of 315 kgf. It is formulated with lithium complex thickener and mineral oil for automobile and metallurgy applications. Its ultra-high dropping point supports stable lubrication under high-temperature conditions, with excellent extreme-pressure anti-wear protection for bearings and gears, wide temperature adaptability, and good oxidation resistance for long service life.

3. Polyurea Grease (XG/U1, XG/U2, XG/U5, XG/U6, XG/U10, XG/U17, XG/U18)

High-temperature polyurea grease (XG/U series) — working temperature -20~200°C, dropping point 260°C.

XINGANG polyurea grease is a high-temperature polyurea grease with a working temperature of -20~200°C and a dropping point of 260°C. It is based on polyurea thickener with mineral oil or synthetic oil. It serves industries including metallurgy, chemical, textile, printing and dyeing, automobile, mine, oil field, coast defence, sugar refining, paper making, and plastics. Its ultra-high dropping point provides excellent high-temperature oxidation resistance.

4. Calcium Sulfonate Complex Grease (XG/C4, XG/C5)

Calcium sulfonate complex grease (XG/C4) — working temperature -20~250°C, dropping point 330°C, PD value 500 kgf.

XINGANG calcium sulfonate complex grease is a high-temperature calcium sulfonate complex grease with a working temperature of -20~250°C, a dropping point of 330°C, and a PD value of 500 kgf. It is made with calcium sulfonate thickener and 150 BS oil for mining, machinery, and automotive applications. It offers an ultra-high dropping point, excellent high-temperature oxidation resistance, outstanding water resistance and rust protection, superior extreme-pressure anti-wear performance for heavy-load mechanical parts, and a long service cycle that reduces grease replenishment frequency.

XINGANG states that its high-temperature grease formulations provide a dropping point 180 to 195°C higher than that of standard MP3 grease.

Certifications and Quality Standards

XINGANG lubricating grease production line. The facility covers 16,000 m² with an annual capacity of 45,000 tons.

XINGANG's quality management system is certified to IATF 16949:2016 under certification number 2024A3002. This certification covers lithium grease, lithium complex grease, calcium sulfonate complex grease, and polyurea grease products. Polyurea grease is additionally covered under certification number 7625S1361R6S. The company also holds ISO 9001:2008, ISO 14001:2004, OHSAS 18001:2007, and ISO 10012:2003 certifications.

The manufacturing facility covers 16,000 square meters and employs approximately 60 staff, including an R&D team of 15 engineers. Annual production capacity reaches 45,000 tons.

How to Select a High-Temperature Grease: Step-by-Step

Selection follows six practical steps:

Use Cases: Steel Mills, Metallurgy, and Industrial Machinery

Steel mill environment: high temperature, heavy load, impact load, and water splash conditions.

XINGANG high-temperature greases are used for lubrication of bearings in continuous casting, rolling mills, kiln cars, gearboxes, conveyors, vibrating screens, and other high-temperature and heavy-load lubrication points. These application scenarios are common in China, Russia, Turkey, Cameroon, and South Africa.

XINGANG products have been successfully used by large steel plants, metallurgical enterprises, and industrial equipment manufacturers. Products are adopted by steel enterprises including BAOWU Group, Hebei Steel Group, Shandong Steel Group, Ma Steel, Taigang Steel, Liugang Steel, Shaogang Steel, Shagang Steel, and Kungang Steel.

Beyond metallurgy, XINGANG products serve industries including ports, automotive, machinery, textiles, printing and dyeing, paper making, sugar refining, chemicals, and power generation. Major export markets include Türkiye, South Africa, Russia, Southeast Asia, and Peru; export business accounts for 10% of total sales.

High-Temperature Grease Comparison: XINGANG Product Families

The following table compares XINGANG's four grease families using published specification data.

PD (weld load) values are listed only where published in XINGANG product data. Sources: XINGANG product specification sheets (2026).

Frequently Asked Questions

XINGANG warehouse — finished grease inventory supporting consistent export supply.

Conclusion

High-temperature grease selection comes down to matching thickener chemistry, dropping point, working temperature range, and extreme-pressure performance with real operating conditions. XINGANG's product range — lithium grease, lithium complex grease, polyurea grease, and calcium sulfonate complex grease — covers continuous service from -20°C to 250°C, with dropping points up to 330°C and PD values up to 500 kgf.

For procurement teams and engineers researching high-temperature grease, the next step is to evaluate XINGANG's published specifications against your application, supported by IATF 16949:2016 and ISO certifications, and a manufacturing capacity of 45,000 tons per year.

Last updated: August 2026. All product specifications are published by Hangzhou Xingang Lubrication Technology Co., Ltd. Market data sources: Vertex AI Search, Market Research Future, STLE, Lubes'N'Greases, ASTM International, DIN.