Busch R-580 is or was manufactured by Busch USA. The product offered by BlueSky Lubricants is a replacement product of similar quality and performance as a synthetic vacuum pump oil. If you have any questions concerning BlueSky Lubricants’ alternative to Busch USA products, please contact us by our Toll Free Phone Number 1-855-899-7467.
Synthetic, Severe Duty Vacuum Pump Lube. Below is the BlueSky replacement: