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Bearing-specific Quenching Oil KR468G

KR468G
KERUN has conducted in-depth research on two major challenges in bearing heat treatment deformation and brightness over years of service to the bearing industry. Based on this research, we specifically developed KR468G, a quenching oil tailored for bearings. This specialized oil is designed for quenching various types of inner and outer bearing rings, effectively minimizing ovality changes during the quenching and cooling process and maintaining excellent surface brightness.

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Category: Quenching Oil, Specialized Quenching Oil

Product Details

Advantages

Short Vapor Film Phase, Fast High-Temperature Cooling Rate, and Slower Low-Temperature Cooling Rate: This enables bearing rings to achieve high and uniform surface hardness and sufficient hardening depth while effectively controlling quenching deformation. | Good Thermal Oxidation Stability: Maintains long-term stable cooling characteristics and has a long service life. | Bright Finish, Low Oil Carry-Off, and Low Usage Cost.

Technical Specifications

Model	KR468G
Flash Point Model	(open °C)>= 220
Max Cooling Rate	°C/s,°C 85 100 °C
Kinematic Viscosity	(40°C) mm2/s typical value 55
Kinematic Viscosity	(100°C) mm2/s 6.0-9.0
Operating Temperature	°C 70-100
Application Range	Suitable for general bearing rings and r

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.