B cutting oil is formulated by refined mineral oil, fat and sulfide extreme-pressure additives and can be used cutting cast iron, carbon steel and other ferrous, it has better lubricity than PS5010A.

• 切削油是由大量脂肪、硫化极压添加剂与精制矿物油调配而成，可加工铸铁、碳钢等黑色金属材料，具有比PS5010A更好的润滑性。