What is Thermoplastic Polyolefins?
Thermoplastic Polyolefins (TPOs) are
polypropylene based materials that have been modified to provide better
ductility and impact resistance compared to standard off-the-shelf
Polypropylene (PP) grades.
TPOs retain the ease of processing, lightweight nature, and
chemical resistance of PP. However, they do not require drying prior to
molding, which saves on both cost and time.
Often, TPOs are compounded with fillers – usually minerals – to
provide a good balance of stiffness and impact resistance, as well as better
dimensional stability and increased Heat Deflection Temperature (HDT).
Stiffness and impact resistance can be custom tailored to
provide the right balance for a wide range of applications.
While the cost of TPOs are often slightly higher than
traditional PP compounds, TPOs are still a very cost effective choice for
applications requiring good impact resistance and stiffness when other
Polyethylene (PE) or PP materials do not meet the application demands.
TPO compounds can be formulated for increased UV weathering and
scratch/mar resistance when needed. The UV grades of RTP Company’s TPO
compounds were designed to be compatible with common paint systems to provide
an all-in-one solution for situations where some parts are painted and some are
not.
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