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Thermalbright™ Polyimide

1 of 1 products in this brand
Thermalbright™ Polyimide is a CP1 colorless polyimide filled with inert white pigments. Typical polyimides are orange-colored and highly absorptive when filled with white pigments, but since CP1 is intrinsically colorless the resultant material is bright white in color. Thermalbright Polyimide is useful in thermal control applications requiring low absorptivity, UV and VUV stability, and high temperature color stability. Thermalbright Polyimide exhibits high optical density and hiding, as well as high emissivity (>0.80 at 1 mil thickness).

Polymer Name: Polyimide (PI), Thermoset Polyimide (PI)

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Elongation at 23 °C (73 °F)2%D282
Tensile Modulus at 23 °C (73 °F)6.5GPaD282
Tensile Strength at 23 °C (73 °F)50MPaD282
Thermal Properties
ValueUnitsTest Method / Conditions
Glass Transition Temperature (DSC)263°CE1356-03
Linear CTE (125 °C – 175 °C, 1.0 mil)40μm/m/°CE831-06
Optical Properties
ValueUnitsTest Method / Conditions
Solar properties, 0.5 mil Absorptivity (α)0.29E1175-87
Solar properties, 0.5 mil Reflectivity (R)0.54E1175-87
Solar properties, 0.5 mil Transmissivity (τ)0.16E1175-87
Solar properties, 1.0 mil Reflectivity (R)0.57E1175-87
Solar properties, 1.0 mil Absorptivity (α)0.35E1175-87
Solar properties, 1.0 mil Transmissivity (τ)0.08E1175-87
Solar properties, 2.0 mil Reflectivity (R)0.57E1175-87
Solar properties, 2.0 mil Absorptivity (α)0.41E1175-87
Solar properties, 2.0 mil Transmissivity (τ)0.02E1175-87

Packaging & Availability

Regional Availability
  • Asia Pacific
  • Europe
  • North America