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Vacuum Quenching Oil for Heat Treatment Kr3281
Specialized PreparationVacuum QuenchingVacuum Hardening Oil
NANJING KERUN LUBRICANTS CO., LTD.
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Product Description Product introduction:With the continuous development of vacuum heat treatment technology, vacuum quenching of workpieces is becoming more and more common. Vacuum quenching oil is a kind of quenching oil specially used in vacuum quenching furnace. It is composed of mineral base oil with high purity, low gas solubility and good anti-gasification performance and various special additives. KERUN? KR328 vacuum quenching oil has been widely used in molds, bearings, springs, oil pump nozzles and other industries.Product Features:1.Short distillation range, extremely low saturated vapor pressure, strong anti-vaporization ability, non-volatile, easy to vacuum2.Good thermal oxidation stability which keeps long service life3.Good brightness, low oil consumption and easy to cleanProduct Parameter:ItemKR328MethodMoisture,≤0.03%GB/T 11133Flash point (open cup),≥190°CGB/T 3536Kinematic viscosity (40°C)20-30 mm2/sASTM D7279Corrosion (Copper sheet 100°C×3h),≤1GB/T 5096Thermal oxidation stabilityviscosity ratio≤1.25SH/T 0219residual carbon increased≤1.2%Cooling performancecharacteristic temperature≥680°CGB/T 30823(100°C, static)Max. typical cooling rate100°C/s
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