B is formulated by refined mineral oil and chloride, sulfide additives. It can be used in punching or medium drawing for cast steel, carbon steel and alloy steel.

• 冲压、拉伸油是由精制矿物油与含硫、氯添加剂调和而成，适用于铸铁、碳钢、合金钢等黑色金属的冲压及中度拉伸加工。