General Lab Products & Reviews

These 25 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 Standard Taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to Standard Taper stopper dimensions. For replacement stoppers see No. 7624. The graduation line is sharp and permanent and large white block letters make the insc…

These 250 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 16 Standard Taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to Standard Taper stopper dimensions. For replacement stoppers see No. 7624. The graduation line is sharp and permanent and large white block letters make the in…

These 2L Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 27 Standard Taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to Standard Taper stopper dimensions. For replacement stoppers see No. 7624. The graduation line is sharp and permanent and large white block letters make the inscri…

The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for polyethylene stopper. The stopper is made with a closed bottom and is of linear high density polyethylene to conform to standard taper stopper dimensions. The graduation line is sharp and permanent; large white block letters make the inscription easy to read. The 2 mL size is…

These 50 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 Standard Taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to Standard Taper stopper dimensions. For replacement stoppers see No. 7624. The graduation line is sharp and permanent and large white block letters make the insc…

These 500 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 19 Standard Taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to Standard Taper stopper dimensions. For replacement stoppers see No. 7624. The graduation line is sharp and permanent and large white block letters make the in…

These 10 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 fo…

These 100 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 13 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694…

These 1L Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 22 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for…

These 200 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 13 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694…