3M™ Dyneon™ PTFE Micropowder TF 9207Z is a non-degraded, low
molecular weight virgin PTFE suitable for use in food contact
applications. TF 9207Z is used as an additive to improve non-stick
properties, to reduce the coefficient of friction and to increase wear
resistance of matrix materials.
Distinctive features of TF 9207Z include:
agglomerated particles
easily deagglomerated when incorporated into other matrixes
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3M™ Dyneon™ PTFE Micropowder TF 9207Z can be used as an additive in many different applications at concentrations typically from 5 to 20 percent.
Homogeneous incorporation is the single most important process and application consideration. Because of its small particle size coupled with good free-flowing properties, TF 9207Z exhibits very good metering behaviour and can be easily incorporated into materials – even in dry blends. For optimum handling it is recommended that the micropowder and matrix material both be at a temperature below 30 °C (86 °F). In the case of thermoplastic blends, however, the micropowder may be metered directly into the melt. High speed mixers and tumble mixers have proven successful for dry blends, while propeller mixers work well for wet mixtures such as solvents and oils. Glass bead mills should be used for relatively high viscosity mixtures and roll mills for very high viscosity applications, such as lubricating greases and oils.
