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Garlock Gylon® 3510 Gasketing Material

Off White PTFE with barium sulfate filler

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Gylon 3510 Sheet Gasket Material

Application

Garlock Gylon® 3510 is truly a superior and unique material. The exclusive properties of Gylon® are combined to deliver its superior performance to comply with today's clean air requirements through sealability and torque retention. Asbestos-free Gylon® gasket materials routinely out-performs all conventional PTFE products by drastically minimizing gasket creep and cold flow problems.

Composition

Garlock Gylon® 3510 is premium grade compressed sheet gasket material that is excellent in strong acids except hydrofluoric, solvents, hydrocarbons, water, steam, chlorine, and cryogenics, Conforms to FDA regulations. For oxygen service, specify "Style 3502 for oxygen service."

Tighter Seal

Improved performance over conventional PTFE. Reduced product loss and emissions.

Reduced creep relaxation

Unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE sheets.

Chemical resistance

Withstands a wide range of chemical for extended service life in a wide variety of applications.

Cost savings

Cuts operational cost through reduced Fluid Loss, Energy Comsuption, Maintenance Costs, Inventory Costs and Waste.

Largest Sheet Sizes*

Offers some of the largest sheet sizes in the industry. Improved material utilization reduces waste.

Branding and color coding

Easy identification of superior GYLON products. Reduces misapplication and use of unauthorized, inferior substitutes.

Typical Properties

Thickness 1/16"
Color: Off-White
Fiber: PTFE with barium sulfate
Fluid Service: Strong caustics, moderate acids, chlorine, gases, water, steam, cryogenics, hydrocarbons and aluminum fluoride.
Temperature
      Min:
      Max:

-450°F (-268°C)
500°F (260°C)
Pressure: max, bar (psi) 83 (1200)
Compressibility, ASTM F36: 4 to 10%
Recovery ASTM F36: 40%
Creep Relaxation ASTM F38: 11%
Tensile ASTM D1708:
Across Grain, psi (N/mm2)

2000 (13.8)
Specific Gravity ASTM 792: 2.80
Modulus @100% Elongation:
psi (N/mm2)

1400 (9.6)
Thermal Conductivity(K):
W/m°K (Btu. -in./hr. -ft.2 -°F)

0.29 - 0.38 (2.00 - 2.65)
Gasket Load: psi (N/mm2)
ASTM F37B - Fuel A
DIN 3535 - Nitrogen

1000 (7)
4640 (32)
Internal Pressure: psi (bar)
ASTM F37B - Fuel A
DIN 3535 - Nitrogen

9.8 (0.7)
580 (40)
Leakage:
ASTM F37B - Fuel A
DIN 3535 - Nitrogen

0.12 ml/hr.
0.015 cc/min
Flammability: Will Not Support Flame
Bacterial Growth: Will Not Support
Meets Specifications: ABS (American Bureau of Shipping), FDA (Food and Drug Administration) 21 CFR 177.1550

Note: ASTM properties based on 1/16" sheet thickness except ASTM F38, which is based on 1/32" sheet thickness. This is a general guide only and should not be the sole means of accepting or rejecting this material. The data listed here falls within the normal range of product properties but should not be used to establish specification limits nor used alone as the basis of design.

*For applications above Class 300, consult your representative.

Dielectric Properties, range, volts/mil.

Thickness 1/16" 1/8"
3 hours at 250°F 4662
96 hours at 100% Relative Humidity 59

P x T (max.)1

Thickness 1/16" 1/8"
psig x °F (bar x °C) 350,000 (12000) 250,000 (8600)

Proposed ASTM F586 Gasket Constants

Thickness 1/16" 1/8"
M 2.0 2.0
Y 2350 (16.2) 2500 (17.2)
Gasket Constants
Gb psi 289 444
a 0.274 0.332
Gs psi 6.61 x 10-11 1.29 x 10-2
*Gasket Constants based on proposed ASTM Draft 10.01

Available Sheet Sizes

Nominal Thickness Sheet Sizes Order Code Weight / Sheet lbs (kg)
1.64" (0.4 mm) 60 x 60 1524 x 1524 35103-6601 6.3
1/32" (0.8 mm) 40 x 40 1016 x 1016 35103-6602 12.5
1/16" (1.5 mm) 60 x 60
60 x 90
70 x 70
1524 x 1524
1524 x 2286
1778 x 1778
35103-6604
35103-6904
35103-7704
25.1
37.7
34.2
1/8" (3.0 mm) 60 x 60
60 x 90
70 x 70
1524 x 1524
1524 x 2286
1778 x 1778
35103-6608
35103-6908
35103-7708
50.3
75.5
68.5
1/4"(6.0 mm) 60 x 60 1524 x 1524 35103-6616 100.6

Note: 1mm thickness or, 60" x 120" (1.5m x 3m) sheet sizes available on special order, other custom lengths available on request

Warning: Durlon gasket materials should never be recommended when both the temperature and the pressure are at the maximums listed. Properties and applications shown are typical. No application should be undertaken by anyone without independent study and evaluation for suitability. Never use more than one gasket in one flange joint, and never reuse a gasket. Improper use or gasket selection could cause property damage and/or serious personal injury. The data reported is a compilation of field testing, field service reports and/or in-house testing. While the utmost care has gone into publishing the information contained herein, we assume no responsibility for errors. The information and specifications contained in this website are subject to change without notice. This revision cancels and obsoletes all previous editions.

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