Key Points for Choosing Electrical Discharge Oil
1: Desired low viscosity for good fluidity; a viscosity of 2.0 or below is preferable. Low viscosity ensures effective removal of carbon slag, with rapid separation and sedimentation of carbon slag particles.
2: High flash point required; a general flash point above 110 degrees is more suitable to eliminate safety hazards.
3: Excellent insulation performance to maintain appropriate insulation strength between the tool and the workpiece.
4: Require low volatility; the chemical stability must be strong to extend the service life.
5: The smoke produced during the electrical discharge machining process is toxic and harmful, and prolonged contact with the skin and respiratory system is not recommended.
6: The oil product is clear in color, water-white with no foam, and non-corrosive.
Key Indicator Editing & Reporting
Several important specifications of electrical discharge machine oil:
1. Requires high transparency for easy manual operation
2. Light odor, eco-friendly, environmental protection
Temperature affects grease more than oil. Long-term exposure to high temperatures (e.g., direct sunlight) can cause the oil component in grease to separate. Therefore, grease drums should be stored in the warehouse first and ideally placed upright with the opening facing up. The opening of the grease drums is larger, making it easier for dirt and water to seep in. The drum lid should be tightly sealed immediately after use.

On the surface, moisture is not easily permeable through a fully sealed drum lid into the oil drum. However, when drums are stored outdoors, they are exposed to intense sunlight during the day and cooler temperatures at night. This thermal expansion and contraction affects the air pressure inside the drum; it's slightly higher than atmospheric pressure during the day and nearly a vacuum at night. This daily pressure fluctuation creates a "breathing" effect, with some air "exhaled" out of the drum during the day and air "inhaled" back in at night. If the drum lid is submerged in water, it's inevitable that moisture will enter the drum with the air at night. Accumulated over time, the amount of water mixed with the oil can be quite significant.

Lubricant Storage
Barrel and drum lubricants should be stored in the warehouse as much as possible to avoid climatic effects. Opened lubricants must be stored indoors. It is advisable to lie the drums down, with wooden wedges securing both ends to prevent rolling. Additionally, it should be checked regularly for any leaks in the drums and whether the markings on the drum surface are clear. If it is necessary to stand the drums upright, it is preferable to invert them so that the lid faces down, or slightly tilt the drums to prevent rainwater from accumulating on the surface and covering the drum ties. Water has a detrimental effect on all lubricants.

When extracting oil, place the oil drum horizontally on an appropriately tall wooden stand, fit a faucet at the lid opening of the drum to release oil, and place a container beneath the faucet to prevent drips. Alternatively, you can stand the drum upright and insert an oil pipe through the lid opening, then use a hand pump to extract the oil.
IV base oils refer to polyalpha-olefin (PAO) synthetic oils. Common production methods include paraffin cracking and ethylene polymerization. PAO can be categorized into low, medium, and high polymerization degrees, each used to formulate different types of oil products. Compared to mineral oils, these base oils contain no sulfur, phosphorus, or metals. Due to their lack of wax, they have a low pour point, usually below -40°C, and a viscosity index generally over 140. However, PAO has poor boundary lubricity. Additionally, its low solvency for additive solvents and certain shrinkage on rubber seals are drawbacks, but these issues can be overcome by adding a certain amount of esters.