PMP. With PP screw cap. Highly transparent. Tolerances class B acc. to DIN EN ISO 1042. With ring mark individually calibrated to `In`. Exposure to temperatures up to 121 °C (autoclaving) will not cause permanent exceeding to tolerance limits. To preserve markings, cleaning at no higher than 60 °C is recommended. PMP. With PP screw cap. Highly transparent. Tolerances class B acc. to DIN EN ISO 1042. With ring mark individually calibrated to `In`. Exposure to temperatures up to 121 °C (autoclaving) will not cause permanent exceeding to tolerance limits. To preserve markings, cleaning at no higher than 60 °C is recommended.