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TF0420 PTFE Key Stopcocks Maximize

TF0420 PTFE Key Stopcocks

Our PTFE Stopcocks are ideal for applications that requires excellent corrosion resistance and low friction coefficient, such as chemical labratories. Friction coefficient of PTFE products is very low, between 0.05 and 0.09. This material also resists to almost all corrosive chemicals, including acid and base. Compared with glass, PTFE is much better for stopcocks. 

More details

 Polytetrafluoroethylene(PTFE) is also called Teflon, as DuPont, the inventor of this material, registered the trademark for its product. Teflon stopcocks and other Teflon lab equipments resist to almost all corrosive chemicals and have great thermal stability, making it an ideal material for lab supplies. 



1:5, 1:10

Large Diameter





1, 1.5, 2, 2.5, 4, 6, 8, 10 mm


M7, M8, M10, M12, M14


Blue, Black, Green, Orange, Red


Other sizes and Custom manufacture is available


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