L-QC 320 Industrial Heat Transfer Oil

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Product Description

L-QC 320 heat transfer oil is designed for industrial heat transfer systems that require thermal stability, oxidation resistance and deposit control. It is suitable for closed heat transfer systems operating under strong circulation as well as controlled open systems within recommended temperature limits. In properly designed systems, L-QC 320 helps maintain efficient heat transfer, reduce carbon and sludge formation, and support longer fluid life. It is relevant for industrial plants, process equipment, asphalt facilities, chemical production and other operations that need stable thermal fluid performance.

• Packaging: 18L, 200L

• Customized packaging available upon request.

Specifications and Approvals

• ISO L-QC

Performance Benefits for Industrial Heat Transfer Systems

• Application Fit for Heavy Equipment

Suitable for closed circulating heat transfer systems, process heating equipment, industrial plants and controlled open systems within recommended temperatures.
• Protection Under High Load

Thermal stability and oxidation resistance help reduce cracking, deposits and fluid degradation during continuous heating operation.
• Maintenance and Uptime Value

Helps reduce unplanned downtime by supporting stable lubrication, cleaner operation and predictable maintenance intervals in demanding fleet environments.
• OEM and Bulk Supply Support

Supports industrial lubricant distributors and OEM fluid programs requiring L-QC 320 heat transfer oil in drums or bulk supply.

Applications

YUANGEN L-QC 320 Heat Transfer Oil is designed for smooth circulation and reliable heat transfer performance in industrial thermal oil systems. It can be used in open and closed systems under strong circulation conditions, as well as in controlled vacuum, atmospheric or inert gas pressurized operations.

In a well-designed modern closed heat transfer system, L-QC 320 supports a maximum average bulk fluid temperature of 320°C and a maximum film temperature of 340°C. In open systems, where air exposure may affect thermal stability, the recommended maximum service temperature is 180°C.

To maintain safe operation and extend oil service life, do not exceed the recommended operating temperature. Operating above the specified range may cause oil cracking, vapor bubble formation, reduced flash point and shorter oil life.

FAQ

Q1: What is L-QC 320 heat transfer oil used for?

A: It is used in industrial heat transfer systems that require stable circulation and reliable thermal performance in open or closed systems.

Q2: What is the maximum operating temperature of L-QC 320?

A: In a well-designed closed system, the maximum average bulk fluid temperature is 320°C and the maximum film temperature is 340°C. In open systems, the recommended maximum service temperature is 180°C.

Q3: Can L-QC 320 be used in closed heat transfer systems?

A: Yes. L-QC 320 is suitable for modern closed heat transfer systems operating under strong circulation conditions.

Get detailed product specifications and have our technical experts confirm whether this formulation is suitable for your equipment.

ACCESS PRODUCT DATA

Typical Test Data

Test Item	Result	Method
Density (20℃), g/cm³	0.855	ASTM D4052
Kinematic Viscosity (100℃), mm²/s	5.2	ASTM D445
Kinematic Viscosity (40℃), mm²/s	29.7	ASTM D445
Viscosity Index	105	ASTM D2270
Pour Point, ℃	-30	ASTM D97
Flash Point (COC), ℃	230	ASTM D92

Health, Safety & Environment

The product is unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of personal hygiene are maintained.
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.

Storage

All packages should be stored under cover. Where outside storage is unavoidable, drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to direct sunlight or freezing conditions.

The indicated properties are typical of those obtained with normal production tolerance and do not constitute a specification. All the information contained in this document is considered accurate as of date of printing, and no warranty or representation, expressed or implied is made as to the accuracy of the data and information in this publication. The information contained herein is subject to change without notice.

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