Isothermal quenching oil for controlled thermal processing
Industrial Quenching Oil

Isothermal quenching oil

Quenching Oil No. 1 for Martensitic Hardening of Precision Gears, Clutch Discs, and Bearing Rings

Controlled cooling Deformation Control Precision Hardening High-Temperature Stability

Isothermal quenching oil manufactured for thin-walled and complex-profile parts requiring controlled distortion, dimensional accuracy, and stable high-temperature performance. Ningbo MOS Chemical Co., Ltd. supports B2B bulk supply, large-lot purchasing, distributor cooperation, and OEM or private label supply.

Controlled cooling Stable response to heat treatment
Deformation Control Ensures dimensional accuracy
Easy Cleaning Supports After-Treatment Systems
Thermal stability Stable Operation at High Temperatures
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Manufacturer and Supplier of Isothermal Quenching Oil B2B

Isothermal quenching oil is designed for heat treatment processes with controlled temperature of thin-walled, precision, and complex-profile parts. Its cooling characteristics help reduce quenching distortion, ensuring dimensional stability and consistent processing results.

Typical applications include automotive transmissions, motorcycle transmissions, clutch discs, and bearing rings. Controlled cooling helps reduce machining allowance and maintain production efficiency where workpiece deformation and dimensional accuracy are critical.

The product contains additives that accelerate quenching and antioxidant additives. Its flash point, thermal oxidation stability, and surface cleaning ability support martensitic quenching processes and other types of controlled-temperature quenching.

MOSINTER GROUP operates as an industrial investment group with investments in manufacturing capacities and international supply chains. Ningbo MOS Chemical Co., Ltd. manages international B2B supply, bulk procurement, distributor partnerships, and OEM or private label discussions for thermal processing shops and industrial lubricant buyers.

  • Helps control deformation of thin-walled and complex-profile parts
  • Ensures dimensional accuracy and reduced machining allowance
  • Suitable for controlled-temperature quenching processes
  • Good thermal stability and surface finish of the workpiece
Production and filling equipment for industrial quenching oils

Product Parameters

Q/YYBH26-91
PositionTechnical SpecificationTest Method
Kinematic viscosity at 100°C, mm²/s, max.20GB/T 265
Flash point (open cup), °C, min200GB/T 267
Water ContentNoGB/T 260
Total Acid Number, mg KOH/g, max.0.35GB/T 264
Cooling Efficiency
Characteristic Temperature, °C, min600SH/T 0220
Cooling time 800→400°C, s, max.5.0

Isothermal Quenching Oil Frequently Asked Questions

What is isothermal quenching oil used for?

Isothermal quenching oil is used in controlled-temperature heat treatment processes for parts requiring stable cooling, reduced distortion, and consistent dimensional accuracy.

Which workpiece types is this quenching oil suitable for?

Suitable for thin-walled and complex-shaped parts such as automotive transmission gears, motorcycle gears, clutch discs, and bearing rings.

How does this oil help control distortion during quenching?

Its controlled cooling capacity helps reduce thermal and structural stresses during quenching, contributing to improved dimensional stability and reduced machining allowance.

Do you offer bulk supply and OEM supply?

Yes. Ningbo MOS Chemical Co., Ltd. supports B2B bulk supply, large-volume procurement, distributor partnerships, and discussion of OEM or contract manufacturing based on packaging, volume, and technical requirements.

What information is required when selecting isothermal quenching oil?

Buyers must provide blank material, dimensions, heat treatment process, bath temperature, required hardness, allowable distortion, agitation conditions, and current quenching medium.