Eisco Labs 500ml Amber Reagent Bottle , Narrow Mouth with Acid Proof Polypropylene stopper, socket size 24/29

500ml Amber Reagent Bottle Narrow Mouth with Acid Proof Polypropylene stopper, socket size 24/29 Made of high quality borosilicate Glass Size labeled in white on outside of the glass Convenient blank white painted spot to write contents or dates on Eisco Labs 500ml Amber Reagent Bottle , Narrow Mouth with Acid Proof Polypropylene stopper, socket size 24/29, Made of high quality borosilicate Glass Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.