50mL Centrifuge Tube - Black, Bag, Sterile, Case of 500 (229434)

  Black tubes protect light sensitive compounds and eliminate the need to wrap tubes with aluminum foil Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Convenient zip-closure bag is a practical alternative to folding and taping opened bags Easily refill reusable racks with tubes packed in bags   Pack Description 25/Re-sealable Bag Case Quantity 500 Sterile Yes Non-pyrogenic Yes Autoclavable Yes Primary Color Black Primary Material Tube: Polypropylene Secondary Material Cap: HDPE Maximum Volume 50mL Graduated No Max Force (RCF)g 16000 RNase/DNase Free Yes   Find more info here.