Lock-Top tubes withstand centrifugation up to 17,000 x g and temperatures up to 85°C (not intended for boiling). Polypropylene. Color Lock-Top® tubes (1415-9199) offer a unique option - the color is only added to the center of the tube cap, keeping the rest of the tube clear.
- Frosted side writing area
- Graduations at 0.1, 0.5 and 1.0 mL