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Wetted parts of the BTD bottle top dispenser are made of PTFE piston, valve housing and discharge, FEP inlet and delivery tubing and polypropylene encased glass barrel. The BTD is the perfect bottle top dispenser for corrosive chemicals and acids with the exception of hydrofluoric acid. Please click here for the chemical resistance table for a list of compatible reagents that can be safely used with our bottle top dispenser.


The BTD bottle top dispenser meets or exceeds ISO 8655 specifications and is GLP compliant.


CV stands for Coefficient of Variance.

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We only sell & ship chemicals to businesses at commercially zoned locations verified by 3rd party sources. A business at a residence will not be able to buy or receive chemicals at that location. Such businesses will not be able to divert shipment in order to meet our policies. No exceptions.