豊国石油 List of Products and Services

We offer a synthetic oil-based, non-water-soluble cutting oil called "Prime Cut GR260," which has low viscosity, high lubricity, and a high flash point. It can be used for various applications such as cutting oil, grinding oil, rolling oil, machining centers, CNC lathes, carbide grinding oil, and lubricants for sliding surfaces. 【General Properties】 ■ Appearance (visual): Pale yellow and transparent ■ Density (15℃ g/cm3): 0.862 ■ Flash point (COC℃): 210 ■ Kinematic viscosity (40℃ mm2/s): 8.35 ■ Color (ASTM): L0.5 ■ Copper strip corrosion (100℃×1h): 1b *For more details, please download the PDF or feel free to contact us.

• Cutting Oil

"Prime Cut 718" is a non-water-soluble cutting oil that does not contain chlorine, making it easy to dispose of used oil. It uses a special lubricant as a substitute for chlorine-based additives, allowing for the protection of the cutting edge surface and achieving oil film strength on the cutting surface. [General Properties] ■ Appearance (visual): Brown and transparent ■ Density (15℃ g/cm3): 0.885 ■ Flash point (COC℃): 210 ■ Kinematic viscosity (40℃ mm2/s): 19.7 ■ Color (ASTM): L2.0 ■ Copper strip corrosion (100℃×1h): 4a ■ Sulfur content (mass %): 5 or less ■ Fatty oil content (mass %): 30 or less *For more details, please download the PDF or feel free to contact us.

• Cutting Oil

"Prime Cut 912" is a non-chlorinated cutting oil that excels in lubrication and provides a good finish surface. It uses a special lubricant that replaces chlorine-based additives, allowing for protection of the cutting edge surface and achieving oil film strength on the cutting surface. Additionally, it contains a mist prevention agent, which is expected to reduce oil mist generated during the manufacturing process. [Applications] ■ Cutting processing of general steel and alloy steel ■ Cutting processing of steel materials, etc. *For more details, please download the PDF or feel free to contact us.

• Cutting Oil

"Prime Cool SS450" is an emulsion-type water-soluble cutting oil suitable for machining general steel. It can be used at high dilution ratios and has excellent rust prevention, lubrication, and anti-corrosion properties. Additionally, it contains a special lubricant that excels in lubrication. It does not contain harmful substances regulated by the Water Pollution Prevention Act, such as mercury, organic mercury, cyan compounds, hexavalent chromium, or PCBs, making it a lubricant that considers both human health and the environment. 【General Properties】 ■ Concentrate - Appearance (visual): Yellow-brown translucent - Density (15°C g/cm3): 0.957 ■ 10-fold diluted solution - pH (RT): 9.6 - Coefficient of friction (μ): 0.129 *For more details, please download the PDF or feel free to contact us.

• Cutting Oil

"Prime Cool ST40" is a water-soluble metalworking fluid with a clear dilution that minimizes dirt on workpieces and processing machines, thereby improving the working environment. It has excellent oil-water separation properties and outstanding resistance to spoilage, and it is also effective in preventing discoloration of aluminum alloys. Additionally, it does not contain harmful substances regulated by the Water Pollution Control Law, such as mercury, organic mercury, cyanide compounds, hexavalent chromium, and PCBs, nor substances specified by the Poisonous and Deleterious Substances Control Law as additives. 【General Properties】 ■ Concentrate - Appearance (visual): White translucent - Density (15℃ g/cm3): 1.055 ■ 30-fold dilution - pH (RT): 8.1 - Friction coefficient (μ): 0.196 *For more details, please download the PDF or feel free to contact us.

• Cutting Oil