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FAQ's

This is where you can find frequently asked questions about DURAN® laboratory glass. You can find more information under our Technical Information section within the DURAN® catalog.

Up to what maximum temperature can DURAN® be used?

What temperature variations can DURAN® sustain?

What is the lowest temperature to which DURAN® can be cooled?

How chemically resistant is DURAN®?

What is the difference between DURAN® and soda-lime glass?

How high is the chemical and thermal resistance of sode-lime?

Can DURAN be used in the microwave?

How can the nominal diameter (DN) be determined or measured?

How accurate are the printed scales on general items of DURAN® laboratory glassware? (beakers, Erlenmeyer flasks, laboratory bottles)

What does APPROXIMATE VOLUME mean?

Is general DURAN® laboratory glassware certified (DIN/ISO)?

Are product specifications/certificates available for DURAN® products?

What is the temperature resistance of the plastic-coded laboratory bottles?

What different types of NMR tubes are available?

Are DURAN® products suitable for working under pressure and vacuum?

Are DURAN® laboratory bottles suitable for working under pressure and vacuum?

To what maximum vacuum can desiccators/filtering flasks be loaded?

What is the manufacturing procedure for amber DURAN® laboratory bottles or what is the effect of the amber coloring on the properties?

What is the max. rpm that DURAN® centrifuge tubes can be used at?

Can DURAN® glass be disposed of in a waste glass recycling facility?

How can I order DURAN®?