Mullen Circle Brand was founded in 1912 and continues to provide the highest quality industrial lubricants, metalworking fluids, rust preventives, and cleaners to industry.

All of our petroleum blends are available up to 10,000 SUS @ 100 F and all of our synthetic blends are available up to 50,000 SUS @ 100 F.  If you need it, we can probably make it.

Remember, as a blender, we can make changes in any of these products to meet your needs.  It is likely we already have for someone else.