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Gear-specific Quenching Oil KR468C

KR468C
In its years of service to the gear industry, KERUN has conducted in-depth research on quenching deformation issues in gear heat treatment. Based on this research, KERUN has developed KR468C, a quenching oil’specifically designed for gears. This product is suitable for quenching gears in passenger cars, micro-cars, light and heavy-duty vehicles, motorcycles, and construction machinery. It effectively reduces changes in tooth profile, tooth direction, and flatness during the quenching and cooling process.

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Category: Quenching Oil, Specialized Quenching Oil

Product Details

Advantages

Tailor-made to meet the specific requirements of gears, featuring a more optimized cooling rate distribution, with a short vapor film stage, fast cooling at high temperatures, and slow cooling at low temperatures. | Controls quenching deformation in gears while achieving high and uniform surface hardness with sufficient hardening depth. | Ensures good surface finish after quenching, making it easy to clean and shot-blast. | Exhibits excellent thermal oxidation stability, maintaining stable cooling properties over a long service life.

Technical Specifications

Model	KR468C
Flash Point Model	(open °C)>= 210
Max Cooling Rate	°C/s,100°C 95
Kinematic Viscosity	(40°C) mm2/s 45-60
Operating Temperature	°C 70-90 open
Application Range	Suitable for gears in light to medium ve

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.