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Prema® PR4403 is a zinc-based cutting fluid composition developed by Prema Lubricants Inc. specifically for the machining of ferrous materials. It is a semi-synthetic product with a paraffinic base oil, a blend of extreme pressure, corrosion inhibition and anti-weld additives, and is designed for use in operations such as drilling, turning, milling and grinding. PR4403 provides superior lubrication performance, superior anti-weld properties and superior corrosion protection, making it an ideal choice for machining operations.