Greiner Bio-One - Knowledgebase

Tubes/Multipurpose Beakers

Answers to your questions on the topic Tubes/Multipurpose Beakers can be found here.

Tubes/Multipurpose Beakers

Are tubes made of Polypropylene, e.g. item-no. 188 271 UV-permeable?

Polypropylene tubes with the product number 188271 are UV-permeable. To store UV or light sensitive samples Greiner Bio-One offers so called "light protection tubes". Further product information and the corresponding transmission curves are...

What is the max. RCF of the 14 ml PP-Tubes (Cat.No.187 261) to be centrifugalized?

The maximum centrifuge capacity of PP-tube Cat. No. 187 261 is: ...

I use a lot of your 15ml polystyrene tubes and your 50ml polypropylene for rat cell culture. After washing, are they able to be thrown in the recycling waste?

All laboratories which manipulate potentially hazardous biological agents and materials, and generate waste containing such agents are responsible for the separation, packaging and treatment of their laboratory waste prior to its removal...

We want to use the 15/50ml polypropylene tubes for highspeed centrifuging. Is it possible to use these tubes at a centrifugal force of 12.000G?

Maximal centrifugation forces depend on the type of rotor and are specified as follows: ...

Does Greiner Bio-One offer polycarbonat tubes for transfections?

Are Greiner Bio-One polystyrene tubes autoclaveable?

Centrifuge tubes as well as other products of polystyrene are not autoclaveable. Polystyrene is resistant to temperatures between -20 °C and +60 °C. Polystyrene products will deform themselves because of the high temperature (+120 °C)...

How precise is the graduation of 15 ml and 50 ml-polypropylene tubes?

The graduation of 15 ml- (177 xxx) and 50 ml-polypropylene tubes is precise in a tolerance range of +/- 2%.

For which applications are tubes with two-position vent stopper most suitable?

Two-position vent stopper fulfils two functions: ...

For what kind of application are tubes made out of polypropylene suitable?

Polypropylene has the distinction of high temperature-, high mechanical and high chemical resistance.

For what kind of applications are tubes made out of polystyrene suitable?

Polystyrene has the distinction of high transparency. Therefore it is suitable for all applications in which good optic is essential.

What is the difference between Bayonet-cap and screw cap?

The bayonet cap can be opened by a short turn (1/3) of the cap, while the screw cap can be opened by a simple turn.