• Sub. division & tolerance as per DIN/ISO 385 Standard
  • With Plastic Bottle 1000ml
  • With Plastic Clamp, Stand and PTFE Pipe
  • Schellbach Stripe for Precise Liquid Dispensing and Accurate Meniscus Reading

Class B volumetric glassware have lesser accuracy with almost double the tolerance as compare to Class A volumetric glassware. 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. Boro 3.3 or Borosilicate 3.3 is a type of glass having very low coefficient of thermal expansion

PTFE Stopcocks regulate the flow of liquids or low pressure gases & serve many functions in the laboratory & has the distinct advantages over glass for use with high vacuum & being much easier to clean due to grease free operation. For liquid applications, it also means that you won't contaminate your reaction mixture with grease. PTFE keys are interchangeable and replaceable so that there is no need for “matching the pairs” during cleaning. White Printing ISO 385