Tulstar Products has a full line of paraffinic base oils and process oils. We supply Group I, Group II, and Group III base oils. Our paraffinic base oils range in viscosity from 60 SUS @ 100 degrees F to 2800 SUS @ 100 degrees F (Bright Stock). All of our Paraffinic base oils and process oils are severely hydrotreated materials. They offer high saturation levels, excellent color and color stability, high oxidation resistance, high viscosity indexes, and low volatility.