• Complies with ISO 4797
  • Made from heat resistant Boro 3.3 glass
  • With Interchangeable Stopper
  • Suitable for mixing of liquids
  • Amber coated external surface to prevent contamination with testing material, and protect light-sensitive chemicals from UV and visible light
  • with a glass stopper

Boro 3.3 or Borosilicate 3.3 is a type of glass having very low coefficient of thermal expansion Borosilicate glass 3.3 is highly resistant to water effects, neutral and acid solutions, heavy acids and their mixtures, to chlorine, bromine, iodine and organic compounds. Even in long-term effects and at temperatures above 100 °C, this glass outstrips with its chemical durability most metals and other raw materials. Class of Resistance to Acid Effects (ISO 1776 a DIN 12116) is Class S1. White Printing