Low Birefringence
APEL™ Cyclo Olefin Copolymer's light transmittance of 91%, haze range of
2% to 4%, and low birefringence make it ideal for use in the development of opto-electric
applications. As the table below illustrates, its birefringence is further superior
to PMMA - less than 5 nm.
Low Moisture Permeability
APEL can be used to develop moisture barrier container and film applications due
to its low permeability to water vapor and excellent humidity resistance. Its
low moisture absorption prevents swelling and excellent moisture barrier to avoid
evaporation of substrates.
As illustrated by the chart below, APEL Cyclo Olefin Copolymer has the lowest
moisture permeability relative to other transparent resins.
Chemical Resistance
In addition to excellent moisture impermeability, the Cyclo Olefin Copolymer displays
an ability to resist acid, alkalis and alcohol among others. See chart below for
full details.
Dimensional Stability
APEL exhibits excellent dimensional stability, with low mold shrinkage and low
coefficient of linear expansion.
Transparency
APEL rates favorably relative to PMMA and PC with a light transmittance of 91%.
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