These Black Microcentrifuge Tubes are made from opaque, medical-grade polypropylene that does not allow light to penetrate. Tubes feature a secure, click-top cap and exterior volume graduations. They withstand up to 15,000 x g during centrifugation. RNase-/DNase-free.
Eliminate the need for aluminum foil wrapping
Ideal for use with fluorescent probes or ethidium bromide