PR70 : Compact Benchtop Meter, Mix and Dispense System The Graco PR70 fixed and variable ratio systems accurately meter, mix and dispense medium-to-low viscosity materials for potting, gasketing, gasketing, encapsulation and syringe filling. All the features you need, in a compact, modular design. PR70: Accurate two-component, fixed ratio dispensing Medium to low viscosity materials Exceptional p ...