Pyrex® 1015 series, tall form (Berzelius) beakers from SciLabware
With approximate graduations, marking spot and spout. To ISO 3819. Pyrex® borosilicate glass conforms to the following standards:
ISO 3585, DIN 12217 - Type 3.3 borosilicate glass
ASTM E-438 Type 1 - Class A borosilicate glass
US Pharmacopoeia - Type 1 borosilicate glass
European Pharmacopoeia - Type 1 glass
Further technical details are available on request.