These tubes are made of medical grade, high clarity polypropylene and conform with FDA 21CFR. They have molded graduation lines and a frosted marking area, and are supplied with a blue screw cap with a silicone O-ring that assures a leakproof seal from -90°C to +121°C.
SureSeal™ tubes are RNase, DNase, pyrogen/endotoxin free and may be centrifuged at up to 22,000xg.
Features:
- Ultra-clear polypropylene
- Molded or non-graduated options
- Leak-proof O-ring seal
- Light-blocking amber available
- Sterile, RNase, DNase, Pyrogen free
- Guaranteed sterile
- Ideal for critical samples
- Easy-open "peel packs"