CoolTouch™: New Technology for Automotive Exterior Parts
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Market:
Automotive exterior
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Polymer:
Polymethyl methacrylate molding compound (PMMA)
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Key benefits:
Heat build-up reduction
High total solar reflection (TSR)
Better energy management
Excellent UV and weather resistance
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It is well-known that sunlight radiation, when irradiating parked cars' glazing and
surfaces significantly heats up automotive exterior parts, thus increasing
interior car temperature. This phenomenon is intensified with dark-colored parts.
PLEXIGLAS® CoolTouch™ is a new material developed from
a patented technology to improve IR-reflectivity. This way, molded parts
with CoolTouch™ warms up less than a conventional colored surface leading
to an important set of benefits.
Figure 1: Case study on deep black application
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Linear expansion is reduced by 13%
with CoolTouch™ |
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For black automotive exterior parts, this means: |
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 expansion
and contraction reduction
dimensional
stability improvement
dimensional
gaps prevention with nearby metallic panels
longer
part life cycle
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How to optimize CoolTouch™ advantages on automotive plastic
parts |
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1°) |
PLEXIGLAS® CoolTouch™ is especially designed for exterior
applications |
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2°) |
The use of CoolTouch™ for horizontal applications is more efficient
as they are more exposed to the sunlight than vertical ones
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3°) |
CoolTouch™ benefits are much more significant with large-area plastic
parts |
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