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Isothermal Classification Quenching Oil KR468

KR468
Quenching deformation is one of the three major challenges in heat treatment quality control. KR468 Isothermal Graded Quenching Oil significantly reduces quenching deformation in thin-walled, complex-shaped workpieces such as automotive gears, motorcycle gears, clutch plates, and bearing rings. This improvement enhances product precision, reduces the machining allowance, and significantly lowers production costs.

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Category: Isothermal Classification Quenching Oil, Quenching Oil

Product Details

Advantages

Short vapor film phase, moderate high-temperature cooling rate, and slower low-temperature cooling rate, allowing for high and uniform surface hardness and sufficient hardening depth, while effectively controlling quenching deformation | Good thermal oxidation stability, ensuring long-term stable cooling characteristics and a long service life | Bright finish, low oil carry-off, and low usage cost.

Technical Specifications

Model	KR468
Flash Point Model	(open °C)>= 230
Max Cooling Rate	°C/s,100°C 85
Kinematic Viscosity	(40°C) mm2/s 65
Operating Temperature	°C 80-100 open
Application Range Suitable for quenching small to medium-sized parts with high deformation requirements. Applicable Materials	Medium and low carbon alloy steel,carburized steel.Suitable for multi-purpose furnaces, pusher furnaces, and mesh belt furnaces.

Storage Conditions

Item	Requirements
Storage Temperature	5–40°C. Indoor storage is recommended. Protect from freezing, as freezing may damage the polymer system.
Packaging & Container Requirements	Packaged in 200 L plastic drums with a net weight of 200 kg per drum; 25 kg plastic pails or 1,000 kg intermediate bulk containers (IBCs) may also be used.
Shelf Life	2 years. After expiry, the product may only be used after it has been retested and confirmed to meet specifications.
Key Properties (KR9988)	Appearance: light yellow to pale red viscous liquid; pH (5% solution): 9.5–10.5; kinematic viscosity (10% solution at 40°C): 3.19 mm²/s.
Precautions	Nonflammable and presents no fire hazard; nevertheless, keep the container tightly sealed. If stored outdoors, place the drum horizontally to prevent water, dust, and other contaminants from entering. Retighten the cap immediately after dispensing. Check the concentration with a refractometer before use. PAG-containing products exhibit reverse solubility; polymer separation at elevated temperatures is normal, and the product can be restored by cooling and stirring.