Grace Instrument supplies calibration fluids for viscometers and rheometers. Each product is given a batch number to identify its age. Listed below are our Material Safety Data Sheets (MSDS), Certificates of Analysis, and Calibration Sheets. Each CP Fluid has only one MSDS, regardless of the batch number. The current batch number is denoted by a blue label tag. All of our Certificates of Analysis for calibration fluids after 2016 comply with ISO 17034 and ISO/IEC 17025 standards. You can purchase fluid in 16oz, 1/2 gallon, or 1 gallon sizes. Contact Grace Instrument for prices.