Made of borosilicate 3.3 glass material and in compliance with the ISO4796 standard, highly resistant to chemical erosion and high temperature & impact shock, these screw-cap reagent bottles are supplied for a wide range of general laboratory applications, e.g., storing, preparing & transporting samples, autoclaving media and etc. The Blue screw caps are constructed of autoclavable PP material, enabling the complete screw-cap reagent bottle autoclavable. The pouring-ring design in the bottle mouth eliminates the possibility of leakage during operation. 

· Feature DIN thread GL 45, pouring ring and Blue autoclavable screw caps in polypropylene (PP) material

· Uniform dimensions and thickness, easy-to-read clear graduations

· w/ Minimal thermal expansion, chemical & impact resistant 

· Clear glass enables convenient and volume observations. 

· The reagent bottles made of amber glass are ideal for photosensitive samples