Stoppers, Hollow with Tip

  • In compliance with Din 12252 standard
  • Used on different kind of jointed products like bottles, stoppered cylinder and jointed flasks mainly  volumetric flasks.
  • Hexagonal head if placed on at head end avoids contamination of ground surface, with hexagonal form head it also helps in preventing the rolling of the stopper and provides a good grip.
  • The stoppers below comes in drip tip form also which if placed on the flask helps liquid to return to the flask till the last drop.


DinBoro 3.3 or Borosilicate 3.3 is a type of glass having very low coefficient of thermal expansion White Printing Chemical Resistant