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C-13
Style 3535 Joint Sealant
Benefits
Chemical resistance
¦ Pure PTFE is chemically
inert, withstands a wide
range of chemicals
¦ Conforms to FDA
regulations
Easy to install
¦ Continuous length on spools is easily cut and formed
¦ Strong adhesive backing aids installation on narrow or
hard-to-reach flanges
¦ Available in widths from 1/8" to 1"
Notes:
1 ASTM F37B Sealability, milliliters/hour (1/4" thick)
ASTM Fuel A (isooctane):
Gasket load: 3,000 psi (20.7 N/mm2 ), Internal pressure: 30 psig (2 bar)
2 DIN 3535 Part 4 Gas Permeability, cc/min. (1/4" thick)
Nitrogen:
Internal pressure: 580 psig (40 bar), Gasket load: 4,640 psi (32 N/mm2)
Typical Physical Properties
Sealability (ASTM F37B)1 ml/hr 0.1
Gas Permeability (DIN 3535 Part 4)2 cc/min. 0.05
GYLON® Style 3530
Tighter seal
¦ Graphite-filled PTFE offers extremely low void con-
tent for minimal emissions
Chemical resistance
¦ Black GYLON® delivers long service against volatile
hazardous pollutants (VHAP and VOC)
¦ Withstands high concentrations of hydrofluoric
acids and other glass-dissolving media
¦ Also ideal for monomer service and cryogenics
Benefits
GYLON®
Styles 3500 to 3510
Tighter seal
¦ Improved performance over conventional PTFE
¦ Reduced product loss and emissions
Reduced creep relaxation
¦ Unique manufacturing process minimizes cold flow prob-
lems typical of skived and expanded PTFE sheets
¦ Excellent bolt torque retention
Chemical resistance
¦ Withstands a wide range of chemicals for extended ser-
vice life in a wide variety of applications
Cost savings
¦ Cuts operational costs through reduced:
• Fluid loss • Inventory costs
• Energy consumption • Waste
• Maintenance costs
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
* 60" x 60" (1524 mm x 1524 mm), 70" x 70" (1778 mm x 1778 mm),
60" x 90" (1524 mm x 2286 mm)
Benefits
Media
GYLON® 3500: Strong acids (except hydrofluoric), solvents,
hydrocarbons, water, steam, chlorine, and
cryogenics. Conforms to FDA regulations.
(For oxygen service, specify "Style 3502
for oxygen service.")
GYLON® 3504: Moderate concentrations of acids and some
caustics, hydrocarbons, solvents, water,
refrigerants, and cryogenics. Conforms to
FDA regulations. (For oxygen service,
specify "Style 3505 for oxygen service.")
GYLON® 3510: Strong caustics, moderate acids, chlorine,
gases, water, steam, hydrocarbons, and
cryogenics. Conforms to FDA regulations.
(For oxygen service, specify "Style 3503
for oxygen service.")
WARNING:
Properties/applications shown throughout this brochure are typical. Your specific applica-
tion should not be undertaken without independent study and evaluation for suitability.
For specific application recommendations consult Garlock. Failure to select the proper
sealing products could result in property damage and/or serious personal injury.
Performance data published in this brochure has been developed from field testing,
customer field reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no respon-
sibility for errors. Specifications subject to change without notice. This edition cancels
all previous issues. Subject to change without notice.
GARLOCK is a registered trademark for packings, seals, gaskets, and other products
of Garlock.