SKU
640

CROYFILM POLYIMIDE

Price (EXC. VAT):
£42.0000
  1. Description

  2. Applications

  3. Features and benefits

  4. Material Data & Technical Info

  5. Data Sheet

  6. Price Matrix

  1. Available in 125 microns, this polyimide film is an excellent electrical insulation material, with outstanding thermal, mechanical, chemical and electrical properties. This versatile film has been used in applications where the environmental temperatures have been as low as -269°C and as high is 400°C and can be easily fabricated by a wide variety of techniques e.g. punching, die-cutting and thermal forming. This film can also be laminated, metallised or adhesive coated.

    You can download the data sheet here.

    • Electrical insulation
    • Mechanical parts
    • Electronic parts
    • Insulation blankets
    • Insulation tubing
    • Fibre optics cable
    • Pressure sensitive tape
    • Etching
    • Shims
    • Automotive diaphragms sensors and manifolds
    • Outstanding thermal, mechanical, chemical and electrical properties
    • Excellent temperature range
    • Easily fabricated by a wide range of techniques
    • Flexible
    • Radiation resistance
    • Flame retardant
  2. Product Code 6401
    Material Polyimide Film
     Standard Colour Natural (amber)
    Total Thickness – μ 125
    Operating Temperature – °C -269 – 400
    Elongation at Break – % See technical table
    Dielectric Strength – Kv See technical table
    Tensile Strength – N/cm See technical table
    Relevant Specifications Kapton® Polyimide meets ASTM D-5213 (type 1, item A) requirements

    Property

    Unit

    125microns

    Test Method

    Ultimate Tensile Strength

    at 23°C

    psi (MPa)

    33,500 (231)

    ASTM D-882-91, Method A

    at 200°C

    20,000 (139)

    Ultimate Elongation

    at 23°C

    %

    82

    ASTM D-882-91, Method A

    at 200°C

    83

    Tensile Modulus

    at 23°C

    psi (GPa)

    370,000 (2.5)

    ASTM D-882-91, Method A

    at 200°C

    290,000 (2.0)

    Density

    g/cc

    1.42

    ASTM D- 1505-90

    MIT Folding Endurance

    cycles

    5,000

    ASTM D-2176-89

    Tear Strength-propagating (Elmendorf), N (lb./f)

     

    0.58

    (0.02)

    ASTM D-1992-89

    Tear Strength, Initial (Graves), N (lb/f)

     

    46.9 (1.6)

    ASTM D-1004-90

    Yield Point at 3%

    at 23°C

    MPa (psi)

    69 (10,000)

    ASTM D-882-91

    at 200°C

    41 (6,000)

    Stress to produce 5% elongation

    at 23°C

    MPa (psi)

    90 (13,000)

    ASTM D-882-92

    at 200°C

    61 (9,000)

    Coefficient of friction, Kinetic

    (film to film)

     

    0.48

    ASTM D-1894- 90

    Coefficient of friction, static

    (film to film)

     

    0.63

    ASTM D-1894-90

    Refractive Index (sodium D line)

     

    1.70

    ASTM D-542-90

    Poisson’s Ratio

     

    0.34

    Avg. three samples, Elongated at 5, 7,10%

    Low temperature flex life

     

    Pass

    IPC-TM-650, Method 2.6.18

    Impact strength at 23°C

    N, cm

    ft.lb.

    78

    0.58

    DuPont Pneumatic Impact Test


    Thermal Properties

    Thermal Property

    Typical Value

    Test Condition

    Test Method

    Melting Point

    None

    None

    ASTM E-794-85 (1989)

    Thermal Coefficient of Linear Expansion

    20 ppm/°C

    -14 to 38°C

    ASTM D-696-91

    Coefficient of Thermal Conductivity

    W/m.K

          cal

     cm.sec.oC

     

    0.12

     

    2.87 x 104

     

    296 K

     

    23°C

    ASTM F-433-77

    (1987)

     

    Specific Heat, J/g. K (cal/g. °C)

    1.09 (0.261)

     

    Differential calorimetry

    Heat Seal-ability

    Not heat sealable

     

     

    Solder Float

    Pass

     

    IPC-TM-650

    Method 2.4.13A

    Smoke generation

    Dm = <1

    NBS smoke chamber

    NFPA-258

     

    Shrinkage, %

    30 mins at 150°C

    0.17

     

    IPC-TM-650

    Method 2.2.4A;

    ASTM D-5214-91

    120 mins at 200°C

    1.25

    Limiting oxygen index - %

    37-45

     

    ASTM D-2863-87

    Glass Transition Temperature (Tg)

    A second order transition occurs in Kapton® between 360°C and 410°C and is assumed to be the glass transition temperature. Different measurements techniques produce different results within the above temperature range.


    125 microns - Typical Electrical Properties at 23
    °C, 50% RH

    Property Film Gage

    Typical Value

    Test Condition

    Test Method

    Dielectric Strength

    V/m kV/mm – 154

    60Hz ¼ in electrodes

    500 V/sec rise

    ASTM D-149-91

    Dielectric Constant

    3.5

    1kHz

    ASTM D-150-92

    Dissipation Factor

    0.0026

    1kHz

    ASTM D-150-92

    Volume Resistivity

    1x1017

     

    ASTM D-257-91

  3. SIZE PRICE
    0.13MM X 914MM  £42.00
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