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Master Bond adhesives

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NeXolve Thermalbright® N Polyimide Film
Categories: Polymer; Film; Thermoset; Polyimide, TS; Polyimide, Thermoset Film

Material Notes: High performance white polyimide film.

Thermalbright® Polyimide is a high performance white polyimide film with wide ranging uses in display applications, electrical insulators, composites, industrial tapes, space structures, and many others. Thermalbright® Polyimide is useful in thermal control applications requiring low absorptivity, high emissivity, UV stability, and high temperature colorfastness.

Thermalbright® Polyimide exhibits high optical density and hiding, making it an excellent high temperature white paint replacement material. In addition to outstanding thermal and optical properties, Thermalbright® Polyimide exhibits the lowest moisture uptake of all commercially available polyimides, at 0.2%.

Thermalbright® Polyimide is available in two grades: Thermalbright® C for Electrostatic Dissipative (ESD) applications, and Thermalbright® N for applications that require electrical insulation. Continuous rolls are available now in 1 mil thickness (25 micron) and in widths up to 60 inches (152 cm).

Information Provided by NeXolve Corporation.

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Physical PropertiesOriginal ValueComments
Density 2.08 g/ccASTM D792-08
Water Absorption 0.20 %
@Time 86400 sec
ASTM D570-98
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 58.0 MPa
@Thickness 0.0250 mm
ASTM D882-02
Elongation at Break 2.0 %
@Thickness 0.0250 mm
ASTM D882-02
Modulus of Elasticity 3.50 GPaASTM D882-02
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+9 ohm-cmASTM D257-91
Surface Resistivity per Square >= 1.00e+12 ohmASTM D257-91
 
Thermal PropertiesOriginal ValueComments
CTE, linear 40.0 µm/m-°C
@Thickness 1.00 mm,
Temperature 125 - 175 °C
ASTM E831-06
Glass Transition Temp, Tg 263 °CDSC; ASTM E1356-03
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 18 %
@Thickness 0.0250 mm
Solar Transmittivity; ASTM E903-96
Emissivity (0-1) 0.64
@Thickness 1.00 mm
Infrared (Hemispherical); ASTM E408-71
Reflection Coefficient, Visible (0-1) 0.71
@Thickness 0.0250 mm
Solar Reflectivity; ASTM E903-96
 
Descriptive Properties
ApplicationsComposites
 Displays
 Electrical Insulation
 Electronics
 Insulation Blankets
 Insulation Tubing
 Paint Replacement
 Pressure Sensitive Tape
 Space Structures
 Thermal Control
CharacteristicsBright white color
 Conductive/nonconductive grades
 Extremely low moisture uptake
 High optical density
 High temperature color stability
 Printable surface
 UV resistant
 Vacuum coating compatible
Solar Absorptivity0.111 mil thickness; ASTM E903-96

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