Have the transparency of glass, excellent chemical resistance, and remarkable heat tolerance � can be used continuously at 150℃ with intermittent service to 175℃. All size beakers have easy-to-read silkscreened graduations, catalog number, size code, resin code, maximum use temperature and no flame symbol. Not for use on a hot plate. Meet the ISO/DIN 7056 International Standards for Laboratory Plasticware Beakers.
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