PC, PP screw closure. Rated for forces up to 27500 x g. Spherical-bottom design facilitates pellet formation and retrieval. For leakproof service at high speeds or when spinning hazardous materials, use NALGENE sealing cap assembly (Cat. No. DS3131-0038). For proper performance these bottles must be filled to at least 80 % of the total capacity. Autoclavable, transparent.
|NOTE: Before autoclaving, just set closure on top of the tube without engaging the threads.|