ASTM E-288 Certified




  • These flasks are made as per ASTM E-288, Class-A unserialized specification
  • The flasks have diamond graduated line and are calibrated TC (To Contain)
  • These comes in white colour enamel printing
  • Printed in white colour enamel & with Batch Certificate

Boro 3.3 or Borosilicate 3.3 is a type of glass having very low coefficient of thermal expansionwhite ceramic colours used for white printing on glassware's. white ceramic colours are cured at high temperature & are durable, permanent, excellent weatherability, surface hardness and chemical resistance.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.Classes of volumetric glassware are designations derived from applicable standard indicating the relative tolerances. Class A volumetric glassware have higher accuracy with tighter tolerance as compare to Class B volumetric glassware. 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.diamond graduated line




* Non ASTM
Amber Volumetric Flask, CLASS A, UNSERIALIZED, With PTFE Stopper, ASTM, 1 2 3 5 10 15 20 25 30 50 100 125 150 200 250 300 400 500 750 1000 2000 5000 cap snap sale diy flexible mini runner rum boot soft reusable tea concealable collapsible bladder whiskey pocket travel milton drink cruise disposal best large hard stores all pouch bottles small undetectable stanley bag alcohol liquor me near hip pp strip stripe red clear guard for bumper USP DIN QR Coded bottom round colour ASTM100cm3 ml a brown with cm3 PTFE 1l pmp b laboratory and Erlenmeyer brand 250ml l polypropylene s conical cost 5l dilution measurement calibrated cylinder beaker 250cm3 graduated iodine 2l vol chemistry stopper 500ml kohlrausch amber stoppered glass class plastic metric volume measuring standard price volumetric flask