12 mL polystyrene translucent test tubes are rimless.. 16 x 100 millimeters.. Molded from premium-grade polystyrene (PS) for clarity.. Can withstand 3,000 RPM during centrifugation.. Tubes are nongraduated with round bottoms and no color coding.. Brittleness temperature: 20° C.. Maximum temperature: 90° C..
![McKesson Brand - McKesson Test Tube Plain 12 mL Without Closure Polystyrene Tube [2000/CS]](http://everydaysupplyco.com/cdn/shop/files/704af1b3dc9255749494461c7a494573f22e7017.jpg?v=1742839246&width=2000)
![McKesson Brand - McKesson Test Tube Plain 12 mL Without Closure Polystyrene Tube [2000/CS]](http://everydaysupplyco.com/cdn/shop/files/704af1b3dc9255749494461c7a494573f22e7017_1024x.jpg?v=1742839246)