Fiber-Based Gaskets

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Important: If you have any uncertainties about what material to use, just call us! We have employees that have been selling gaskets and servicing gasket applications for decades. We have sold gaskets in over 100 different materials!  What follows below are generalizations for different categories of gasket materials.  Use the information below only as a general guideline, and not as advice for your specific application.   

 

Fiber-Based Gaskets:  Strands of fibers (often aramid fibers) combined with assorted binders, are compressed to create the raw material for fiber-based gaskets.  Gaskets from these materials are generally able to withstand higher temperatures than their rubber and synthetic rubber brethren. Gaskets cut from these compressed sheets, offer improved torque retention. This means that the initial load on the bolt that is compressing the gasket is better retained. Without this retained compression, the gasket may lose its sealing capability. Fiber-based gaskets also tend to have improved resistance to oils and hydrocarbons making them a solid choice for many industrial applications.

 

Common Materials (Available Online) All Materials We Carry (call for items not sold online) - Alphabetical by Material Class
Fiber Based Gaskets Fiber Based Gaskets

Durlon® 8500

Garlock® G3000

Garlock® G3200

Garlock® G3300

Garlock® G3400

Garlock® G3700

Garlock® 3760

DURLON® 7910 (Fiber / ANSI 61 Potable Water)

DURLON® 8400 (Phenolic Fiber / NBR Binder)

Durlon® 8500 (Aramid Fiber / NBR Binder)

FLEXITALLIC® SF3300 (Aramid and Glass Fibers / NBR Binder)

FLEXITALLIC SF3500 (Aramid and Glass Fibers / NBR Binder)

FRENZELIT MULTI-II (Aramid Fiber / Graphite Fillers)

GARLOCK® 2900 (Aramid Fiber / NBR Binder - Utility Grade)

Garlock® G3000 (Aramid Fiber / NBR Binder)

 

Garlock® G3200 (Aramid Fiber / SBR Binder)

GARLOCK® 3300 (Aramid Fiber / Neoprene Binder)

Garlock® G3400 (Aramid Fiber / SBR Binder - different color)

GARLOCK® 3700 (Aramid Fiber / EPDM Binder)

GARLOCK® 3760

GARLOCK® 3760-U

GARLOCK® 5500 (Inorganic Fiber / NBR Binder)

KLINGER® C4401

KLINGER® C4430

TEADIT® NA-1001 (Aramid Fiber / NBR Binder)

 

 

Durlon® 8500 Specs

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 Specification: Value:
Materials Aramid Inorganic Fiber, NBR Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 548° F
Pressure Max. 1500 psig
Density 1.7 g / cm3
Tensile Strength 2,000 psi
Compressibility ASTM F36 8 - 16%
Recovery ASTM F36 50%

Manufacturer Spec Sheet

 

Garlock® G3000 Specs

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 Specification: Value:
Materials Aramid Inorganic Fiber, NBR Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 400° F
Pressure Max. 1,000 psi
Density 1.6 g / cm3
Tensile Strength 2,250 psi
Compressibility ASTM F36 7-17%
Recovery ASTM F36 50%
Sealability F37B (Fuel A) 0.2 mL/hr
Sealability F37B (Nitrogen) 0.6 mL/hr

Manufacturer Spec Sheet

 

Garlock® G3200 Specs

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 Specification: Value:
Materials Aramid Fibers, SBR Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 400° F
Pressure Max. 1,200 psi
Density 1.6 g / cm3
Tensile Strength 2,250 psi
Compressibility ASTM F36 7-17%
Recovery ASTM F36 50%
Sealability F37B (Fuel A) 0.1 mL/hr
Sealability F37B (Nitrogen) 0.4 mL/hr

Manufacturer Spec Sheet

 

Garlock® G3300 Specs

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 Specification: Value:
Materials Aramid Fibers, Neoprene Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 400° F
Pressure Max. 1,200 psi
Density 1.76 g / cm3
Tensile Strength 1,800 psi
Compressibility ASTM F36 10%
Recovery ASTM F36 55%
Sealability F37B (Fuel A) 0.2 mL/hr
Sealability F37B (Nitrogen) 0.5 mL/hr

Manufacturer Spec Sheet

 

Garlock® G3400 Specs (Same as G3200 - different color)

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 Specification: Value:
Materials Aramid Fibers, SBR Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 400° F
Pressure Max. 1,200 psi
Density 1.6 g / cm3
Tensile Strength 2,250 psi
Compressibility ASTM F36 7-17%
Recovery ASTM F36 50%
Sealability F37B (Fuel A) 0.1 mL/hr
Sealability F37B (Nitrogen) 0.4 mL/hr

Manufacturer Spec Sheet

 

Garlock® G3700 Specs

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 Specification: Value:
Materials Aramid Fibers, EPDM Binder
Temperature Minimum -100° F
Temperature Maximum 700° F
Continuous Temp Max. 400° F
Pressure Max. 1,200 psi
Density 1.6 g / cm3
Tensile Strength 2,250 psi
Compressibility ASTM F36 10%
Recovery ASTM F36 40%
Sealability F37B (Fuel A) 0.3 mL/hr
Sealability F37B (Nitrogen) 0.7 mL/hr

Manufacturer Spec Sheet

 

Garlock® 3760 Specs

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 Specification: Value:
Materials Aramid Inorganic Fiber, Proprietary Rubber Binder
Temperature Minimum -100° F
Temperature Maximum 400° F
Continuous Temp Max. 400° F
Pressure Max. 500 psi
Density 1.36 g / cm3
Tensile Strength 1,000 psi
Compressibility ASTM F36 15% average
Recovery ASTM F36 40%
Sealability F37B (Fuel A) 0.2 mL/hr
Sealability F37B (Nitrogen) 0.4 mL/hr

Manufacturer Spec Sheet