Tech Cool 35037 is a unique general purpose machining and grinding fluid developed specifically for applications requiring efficient and economical performance on ferrous, aluminum, and yellow metal substrates. Tech Cool 35037 contains no sulfur compounds. The product's unique lubricity is activated by a chlorinated EP ingredient. This product technology uses a unique blend of components resulting in exceptional sump life with minimum odors. It is completely free of formaldehyde releasing biocides.