BRAND® pipette tips are made of a high-purity polypropylene that is free of additives, lubricants and pigments (bulk 200µL and 1000µL tips feature cadminum-free pigments for easy identification) that cause sample contamination. All tips are manufactured in a clean room under state-of-the-art production conditions and automatically packaged to ensure high quality. Tips can be autoclaved at 121°C (250°F) and 15 psi (1 bar). Choose between non-sterile and BIO-CERT® sterile tips, which adhere to ISO 11137 and AAMI guidelines.