ASTM E-288 Individual Certificate QR Coded


  • Made as per ASTM E-288, Boro 3.3 glass
  • With diamond graduated line and are calibrated TC (To Contain)
  • Printed in durable white colour enamel
  • With Individual work Certificate and Serial Number

Glass Boro 3.3 White Printing Chemical Resistant class A


GLASS STOPPER Diamond Ring


* Non ASTM