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Gylon Style 3540 and 3545
PTFE Sheet Gasket
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| GYLON Styles #3540/3545 are pure PTFE gasketing products are designed to seal in
applications that require low bolt loads. Applications include non-metallic(1) surfaces
and metallic surfaces that are wavy, scratched, pitted, steam-cut or warped. Our
proprietary GYLON manufacturing process minimizes creep and cold flow normally
associated with PTFE products. This translates into better sealability by maintaining bolt
load on the gasket. |
Garlock Style 3540 and 3545 Specifications
| Color: |
White, blue brand |
| Temperature: |
min. -350°F (-210°C)
max. +500°F (+260°C) |
| Pressure, max: |
1200 psi (83 BAR) |
| PxT, max: |
350,000 (12,000)*
250,000 (8,600)** |
* PxT max. = psi x °F (BAR x °C) based on 1/32" and
1/16" sheet thickness
** PxT max. = psi x °F (BAR x °C) based on 1/8" sheet thickness |
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Physical Properties
Click Here to View Permeability Chart
| ASTM Test Method |
Physical Properties |
3540 |
3545 |
F37B
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Sealability - ml/hr leakage:
ASTM Fuel A (isooctane)
Gasket Load: 1000 psi (7N/mm2)
Internal Pressure: 9.8 psi
(.7 BAR)
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0.25
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0.15
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| F38 |
Creep Relaxation, % |
10 |
15 |
| F36 |
Compressability, % |
70-85 |
60-70 |
| F36 |
Recovery, % |
8 |
15 |
Flammability:
Bacterial Growth: |
Will Not Burn
Will Not Support |
| This is a general guide and should not be the
sole means of selecting or rejecting this material. ASTM test results in accordance with
ASTM F-104; based on 0.8 mm (1/32") sheet thickness. |
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Ordering Information
| GYLON Style 3540 and 3545 are available in 1/32" , 1/16" , 1/8"
, and 3/16" thicknesses. Both styles can be purchased in 60"x 60",
60" x 90", and 70" x 70" sheet sizes. 3/16" thick sheet available
in 60" x 60" sheets only. Style 3545 (1/32") is available in 40" x
40" sheet size only. Cut gasket, adhesive backed sheet and other thicknesses
available upon request. |
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