Pyrex® 1020 series, conical form beakers from SciLabware
With spout. Top diameter is approximately 16mm less than the base diameter. 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.