Volumetric flasks with screw cap of PMP, class A, opaque

UV-absorbing, highly transparent. For storage of light-sensitive substances.
With ring mark individually calibrated to In'.
Class A tolerances according to DIN EN ISO 1042.
With printed lot number and batch certificate.
Thermal stress up to 121 ºC (autoclaving) does not permanently exceed the tolerance limit.
To preserve markings, do not clean at temperatures exceeding 60 ºC