The PURprotect coating envelops the volumetric flasks like a protection skin. In the event of breakage, the safety coating helps containing the glass fragments. With PP-stopper, class A, DE-M marking, DURAN®. DIN EN ISO 1042, calibrated to contain (TC, »In«), incl. one batch certificate. - No increased electrostatic charge. - Coating: light blue. - Max. operating temperature: 135 °C at dry heat (exposure time < 30 min). - Max. cleaning temperature: max. 95 °C. - Frequent autoclaving at 121 °C reduces splintering protection. The PURprotect coating envelops the volumetric flasks like a protection skin. In the event of breakage, the safety coating helps containing the glass fragments. With PP-stopper, class A, DE-M marking, DURAN®. DIN EN ISO 1042, calibrated to contain (TC, »In«), incl. one batch certificate. - No increased electrostatic charge. - Coating: light blue. - Max. operating temperature: 135 °C at dry heat (exposure time < 30 min). - Max. cleaning temperature: max. 95 °C. - Frequent autoclaving at 121 °C reduces splintering protection.