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All Seals Incorporated
The Sealing Specialists
CALIFORNIA OFFICE:
20762 Linear Lane
Lake Forest, CA 92630
Phone: (714) 556-4931
Toll Free: (800) 553-5054
Fax: (714) 557-3257
TEXAS OFFICE:
4407 Halik Road, Building A
Pearland, TX 77581
Phone: (281) 404-4384
Toll Free: (800) 553-5054
Fax: (281) 715-5379
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KaptonŽ HN |
| This film from DuPont is a general-purpose polyimide used in applications such as mechanical and electrical parts, insulation, and pressure sensitive tape. This film can be metallized, punched, laminated or adhesive coated, and it maintains its physical properties within a temperature range of 23°C to 200°C. |
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Applications
- Mechanical and electronic parts
- Electrical insulation
- Fiber optic cables
- Pressure sensitive tape
- Insulation tubing and blankets
- Auto diaphragms sensors and manifolds
- Etching
- Shims
Features and Benefits
- Made of all-polyimide film
- Maintains properties over a wide temperature range
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Ultimate Tensile Strength
at 23°C, (73°F)
at 200°C (392°F) |
33,500(231) psi (MPa)
20,000(139) psi (MPa) |
ASTM D-882-91, Method
A* |
Ultimate Elongation
at 23°C, (73°F)
at 200°C (392°F) |
72 - 82%
83% |
ASTM D-882-91, Method
A |
Tensile Modulus
at 23°C, (73°F)
at 200°C (392°F) |
370,000 (2.5) psi (GPa)
290,000 (2.0) psi (GPa) |
ASTM D-882-91, Method A |
| Density |
1.42 g/cc |
ASTM D-1505-90 |
| MIT Folding Endurance |
5,000 - 285,000 cycles |
ASTM D-2176-89 |
Tear Strength-propagating
(Elmendorf), N (lbf) |
0.07 - 0.58
(0.02) |
ASTM D-1922-89 |
Tear Strength, Initial
(Graves), N (lbf) |
7.2 - 46.9
(1.6) |
ASTM D-1004-90 |
Yield Point at 3%
at 23°C, (73°F)
at 200°C (392°F) |
69 (10,000) MPa (psi)
41 (6000) MPa (psi) |
ASTM D-882-91 |
Stress to produce 5% elong.
at 23°C, (73°F)
at 200°C (392°F) |
90 (13,000) MPa (psi)
61 (9000) MPa (psi) |
ASTM D-882-92 |
Impact Strength
at 23°C, (73°F) |
78 (0.58) N•cm•(ft lb) |
DuPont Pneumatic Impact
Test |
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 |
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| Melting Point |
None |
None |
ASTM E-794-85 (1989) |
| Thermal Coefficient of Linear Expansion |
20 ppm/°C
(11 ppm/°F) |
-14 to 38°C
(7 to 100°F) |
ASTM D-696-91 |
Coefficient of Thermal Conductivity, W/m•K
cal/cm•sec•°C |
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) |
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Differential calorimetry |
| Heat Sealability |
not heat sealable |
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| Solder Float |
pass |
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IPC-TM-650, method
2.4.13A |
| Smoke Generation |
Dm=<1 |
NBS
smoke chamber |
NFPA-258 |
Shrinkage, %
30 min at 150°C
120 min at 400°C |
0.17
1.25 |
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IPC-TM-650
Method 2.2.4A;
ASTM D-5214-91 |
| Limiting Oxygen Index, % |
37-45 |
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ASTM D-2863-87 |
| Glass Transition Temperature (Tg) |
A second order transition occurs in Kapton® between 360°C(680°F) and 410°C(770°F) and is assumed to be the glass transition temperature. Different measurement techniques produce different results within the above temperature range. |
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