ProTec Bioseparation specialises in the production of high quality ampholytes for isoelectric focusing (IEF) and custom-designed kits for the analysis of seed purity such as the Hybrid Purity Testing Kit for maize, HPTK. Over 20 years of experience in the manufacture of carrier ampholytes and sustained efforts to optimise IEF separation performance have led to the product we now call Sepalyte. Our Sepalyte carrier ampholytes are especially known for their high resolution performance, wide pH range, excellent destaining properties.