250ml Graduated Narrow Mouth Glass Erlenmeyer Flask Conical Flask 29/40 Ground Joints

250ml Graduated Narrow Mouth Glass Erlenmeyer Flask Conical Flask 29/40 Ground Joints Description: Material:Borosilicate glass 3.3 Capacity:250ml Feature: 250ml graduated glass erlenmeyer flask Made from borosilicate with low thermal expansion rate,high temperature tolerance, high strength and hardness High chemical properties,base resistance and acid resistance Narrow mouth design with 29/40 ground joints Large marked metric scale,easy to read Fit for lab chemistry experiment Package included: 1X 250ml Glass Erlenmeyer Flask