Question: what is a 2r vial?
Answer: The 2 ml injection vial (2R) is manufactured out of clear tubular borosilicate glass of the 1st hydrolytic class. This 2R vial with a crimp neck is produced according to ISO 8362 standards. Its dimensions are ø 16.0 x 35 x 1.00 mm. ... Our injection vials are used in the pharmaceutical and diagnostic industries.