OEM & MRO Gaskets
Style 1304 - Custom Laser and Waterjet Cut Gaskets
Phelps is equipped to make custom gaskets using laser cutting and waterjet cutting. Many complex gasket shapes, or special materials may require these tehniques. Our gasketing experts make material recommendations based on collect application data such as temperature, pressure, media and its pH, flange size, configuration and finish, number of bolts, size, grade and location.
We carry a wide range of materials, so if you don't find your material in the list, please call us @ 1-800-876-SEAL, or
Select "other" in the material drop-box and add notes after clicking on "Request a Quote"
Commonly Ordered Materials
Cloth Inserted Rubber (Insertion: 8.5 oz. Polyester)
Control Devices, Welding Curtains
Meters, Regulators, Pumps, and Diaphragms
Applications requiring mechanical fastening, or heavy flange loading to reduce gasket creep
Weather, Water, Ozone, Oxidation
Aliphatic hydrocarbons: gasoline, kerosene
Hydraulic silicates, oil, high pressure diaphragm service
Firm Density Neoprene Closed Cell Sponge
Cushioning applications
Excellent gasketing material for NEMA ensclosures
Ideal material for seal joints, panel doors, ducts in HVAC applications
Sealing equipment and enclosures containing electrical circuitry and components
FMVSS-302
UL-94-HF1, UL-94-HBF
SAE-J-18 FMVSS-302 UL-94-HBF
ASTM D 1056-67 SCE-42
ASTM D 1056-78 RE-42
ASTM D 1056-87 SCE-42
Mil-R-6130C Type 2, GR.A
Hydraulic silicates, and oil
Weather elements, and water
Aliphatic hydrocarbon: gasoline, kerosene
Applications requiring flame retardant capabilities
Medium Density Silicone Closed Cell Sponge
Flame retarding applications
Weatherproofing and weatherstripping
HVAC Sealing applications
Sealing NEMA enclosures to meet IP65 and IP66 for equipment access panels
AMS 3195 E
Mil-R-46089
Mil-R-6130
ASTMD1056
Extreme weather elements, and water
Hydraulic phosphates, alcohol, gases
Medium-Firm Open Cell Sponge Rubber
Excellent general purpose cushioning material
Skid resistant surface (manufacturing shop floors etc.)
Ideal material for die-ejection applications
HH-F-341A
ASTM D 1056-73
ASTM D 1752-67 Type 1
Mil-C-3133 STD 670A
Mil-R-6130 Type 1 GR 1
Great resistance to oxidation
Not resistant to oils or solvents
Military Specification Neoprene
Severe outdoor environmental conditions
Workshop floors with exposure to dripping oils
Fueling stations, truck beds, under tanks for transport and shock absorption
Engine cowls, machine shops, weapons repair table and workstations
Rugged applications requiring tough, flexible, highly abrasion-resistant coverings
Mil-R-6855 CL2 GR 60
Hydraullic silicates, alkali, alcohol
Aliphatic hydrocarbons: gasoline, kerosene
Environments requiring resistance to flame
Refrigeration fluids, freon, low pressure oxygen, oil
Ozone, oxidation environment, water, weather elements and mild acids
Military Specification Buna-N Nitrile
Mil-R-6855 CL1 GR 60
Hydraulic silicates, alkali, alcohol, gases
Aromatic hydrocarbons: benzol, toluol
Aliphatic hydrocarbons: gasoline, kerosene
Synthetic diester lubricants, petroleum lubricants
Water, oxidating environments, and extreme weather elements
Ethylene Propylene, EPDM
Washers, seals, and gaskets
Silos & storage tank seals
Weather stripping & roofing material
Bumpers, architectural & window seals
Medical equipment seals, electrical connector seals
Condensate tubing for HVAC equipment, Compressor Grommets
Seals for electronics & electrical equipment, and outdoor electrical enclosures
50 Durometer: ASTM D 2000 3BA 508 C12, SAE J200 3BA 508 C12, MIL R-3065 RS 508 C1
60 Durometer: ASTM D 2000 3BA 608 C12, SAE J200 3BA 608 C12, MIL R-3065 RS 608 C1
70 Durometer: ASTM D 2000 3BA 708 C12, SAE J200 3BA 708 C12, MIL R-3065 RS 708 C1
Ozone, UV, saltwater and weather.
Water, steam, and oxidating environments
Very good low temperature flexibility
Good impact and abrasion resistance
Hydraulic phosphates and silicates, alkali, acids depending upon type and strength
2.6 lb (60 durometer EPDM)
2.7 lb (70 durometer EPDM)
Flexible Graphite Sheet - Wire Inserted
Commonly used in petro chemicals, refining, power plants Excellent for sealing high temperature valves, shafts, and flanges, high thermal conductivity
High thermal conductivity
Impermeable to gases and fluids
Resistant to organic, inorganic acids, solvents, hot wax and oils
Chloric acid and molten alkaline and alkaline earth metals
Strong oxidizing compounds such as concentrated nitric acids, high concentrated sulfuric acids
Tang Inserted Flexible Graphite Sheet
Commonly used in petro chemicals, refining, power plants Excellent for sealing high temperature valves, shafts, and flanges, high thermal conductivity
High thermal conductivity
Impermeable to gases and fluids
Resistant to organic, inorganic acids, solvents, hot wax and oils
Chloric acid and molten alkaline and alkaline earth metals
Strong oxidizing compounds such as concentrated nitric acids, high concentrated sulfuric acids
Silicone
Insulators, and HVAC applications
Electrical sleevings, EMI gaskets
Wall transitions, Floor profiles
Oven door gaskets, conveyor belts
Window and door seals, sealing gaskets
Gasket applications in Mass Transit systems
Vibration dampers for engine mounts and drive shaft, exhaust pipe hangers
AMS 3202 ZZR 765 CL2 GR 50
ASTM D 2000 3BA 608 A14 C12 F17
Chemicals, including some acids and alkali solutions
Weather, water, ozone, oxidation, hydraulic phosphates, food, alcohol
Concentrated alkalines, acids, solvents, oils and fuels
Foil Inserted Flexible Graphite Sheet
High thermal conductivity
Impermeable to gases and fluids
Resistant to organic, inorganic acids, solvents, hot wax and oils
Chloric acid and molten alkaline and alkaline earth metals
Strong oxidizing compounds such as concentrated nitric acids, high concentrated sulfuric acids
Commercial Viton®
Flange gaskets for glass-bodied valves in a paper bleaching plant
Corrosion-resistant expansion joints for stack gas exhaust ducts
High vacuum seals, crankshaft seals, valve stem seals, transmission seals
Fuel seals, cap-seals, head & intake manifold gaskets, radial lip seals used in pumps
Door seals, duct couplings, shaft seals, and various static gaskets for commercial drycleaning
Compression pads for heavy-duty vibration mounts, clamp cushions, conveyor rolls, deflector rolls
Gaskets for proportioning pumps that handle highly reactive chemicals carried by ocean and highway trailers
ASTM 2000 MZH K70 7B 37E F31 F15
Best for petroleum derivative at elevated temperatures
Aliphatic hydrocarbons: gasoline, kerosene
Aromatic hydrocarbons: benzol, toluol, alcohol, acid, synthetic diester lubricants,
Halogenated degreaser solvents, hydraulic silicates
Poor resistance to alcohols and nitro-containing compounds
Novaphit SSTC Flexible Graphite Inserted With Stainless Steel Wire Mesh
Applications requiring high thermal conductivity
Suitable for high pressure and high temperature environments
Excellent gasketing material for sealing high temperature valves, shafts, and flanges
ASTM F 36 J:
Compressibility: 25% - 40% | Recovery: >/= 15%
DIN 3535: Permeability To Gas: </= 1 cm3/min
DIN 28090-2:
Compressibility @ Ambient Temp: 37% - 38% | Recovery @ Ambient Temp: 4%
Creep @ 572F/300C: 1% - 2% | Recovery@ 572F/300C: 4%
DIN 28090S: Specific Leak Rate: .05 mg/s*m
Siemens AV 9-014 - Chloride Content: < 300 ppm
ASTM F 164 (Media Resistance)
@ 302F (150C), for 5h, and ASTM Oil No. 3: Change in Weight: 35% | Change in Thickness: 10%
@ 73F (23C), for 5h, and ASTM Fuel B: Change in Weight: 25% | Change in Thickness: 5%
High thermal conductivity
Impermeable to gases and fluids
Resistant to organic, inorganic acids, solvents, hot wax and oils
Chloric acid and molten alkaline and alkaline earth metals
Strong oxidizing compounds such as concentrated nitric acids, high concentrated sulfuric acids
At 347F/175C: 45 N/mm2
At 572F/300C: 43 N/mm2
High Grade Viton®
Weather, water, ozone, oxidation
Aliphatic hydrocarbons: gasoline, kerosene
Petroleum derivative at elevated temperatures
Aromatic hydrocarbons: benzol, toluol, alcohol, acid, synthetic diester lubricants, halogenated degreaser solvents, hydraulic silicates
Virgin PTFE
UV water purification systems
Exhaust gas sensor applications
Pumps & valves in food processing equipment
Anti-friction applications in automotive & aerospace, and other mechanical applications
Electrical insulating applications (example: separate conductive surfaces in capacitors)
Gaskets, washers, rings, seals and spacers for:
- Petrochemical
- Food Processing
- Biotech & pharmaceutical industry
- Pulp & paper
- Power generation
Universal chemical resistance
Light & Weather resistance
Hot water vapor resistance
Excellent coefficient of friction (anti adhesive behavior)
Non-combustible (LOI > 95)
Excellent electric & dielectric properties
Hydrophobic (no water absorption)
Physiologically harmless (BgVV, EU, USDA, and FDA approved)
Cold flow behavior
Relatively low wear resistance
Low resistance to high-energy radiation
No suitable for injection & welding applications
Flexitallic's Sigma®
Frenzelit's Novaflon®
Klinger's Thermoseal®
Reprocessed PTFE (less expensive than Virgin PTFE)
UV water purification systems
Exhaust gas sensor applications
Pumps & valves in food processing equipment
Anti-friction applications in automotive & aerospace, and other mechanical applications
Electrical insulating applications (example: separate conductive surfaces in capacitors)
Gaskets, washers, rings, seals and spacers for:
- Petrochemical
- Food Processing
- Biotech & pharmaceutical industry
- Pulp & paper
- Power generation
Universal chemical resistance
Light & Weather resistance
Hot water vapor resistance
Excellent coefficient of friction (anti adhesive behavior)
Non-combustible (LOI > 95)
Excellent electric & dielectric properties
Hydrophobic (no water absorption)
Physiologically harmless (BgVV, EU, USDA, and FDA approved)
Cold flow behavior
Relatively low wear resistance
Low resistance to high-energy radiation
No suitable for injection & welding applications
Food Grade Nitrile
ASTM D2000 1BG 610
FDA-approved ingredients per 21CFR 177.2600
Food, water, and alcohol (food processing plants, breweries)
Applications requiring resistance to pteroleum based an animal based oils
Virgin PTFE, Glass Filled
Insulators in electrical & electronics, and laser equipment
Fume purification, pure water production, cryogenics, filter technology
Gaskets, seals, bearing pads, shaft seals, valve seals for the food and medical industry
Shaft seals, valve seals, pump and instrument construction, roller coverings, etching plates
Extremely good chemical resistance against virtually all media
Good sliding properties and improved dimensional stability and creep resistance
Flexitallic's Sigma®
Frenzelit's Novaflon®
Klinger's Thermoseal®
Pure Gum Rubber
Gasket and sand/shot blast curtain manufacturing
Squeegee applications, window cleaning equipment
Practice pads, drum pads, gaskets for irregular flanges
Gasketing applications that require bounce and stretch capability
Industrial skirting application, used to manufacture sleeves for chutes on cement mixers
Water movement tools, or machines required to move water such as ice skating rink equipment
Most organic salts and ammonia
Water, oxidation, alcohol, chlorine
Applications requiring high tear and compression set
Without special additives, it has poor resistance to sunlight, oxygen, ozone, and high temperatures.
Expanded Virgin PTFE
Excellent gaskets, seals, pads material for use in extreme applications in the following industries
- Power Generation
- Pulp and Paper Industry
- Pharmaceutical, Petrochemical
- Iron and steel fabrication and manufacturing
- Distillers, Plants and Food and Beverage Industry (USDA & FDA approved)
ASTM F-36
Compressibility: 68%
Recovery: 12%
Specific Gravity: 0.85
Sealability (ASTM F-37B)
Fuel A: 0.00 m/hr leakage
Nitrogen: 0.02 m/hr leakage
Creep Relaxation (ASTM F-38)
32% @ 2120F
16% @ 730F
Great for barrow flange faces due to excellent compressibility
Expanded PTFE Inherently clean and non-toxic - fit for USDA and FDA applications
Universally employable for nearly all aplications, media, a wide temperature range
Exceptional mechanical strength allows operation with minimal creep at elevated temperatures
Flexitallic Sigma® 800
Frenzelit Novaflon® 500
Klinger Thermoseal® series
Barium Sulfate Filled PTFE
Excellent gasketing material for high pressure applications
- Extensively used in rail road tankcar applications
- Process piping and equipment in chemical, digesters in pulp & paper industry
- Gaskets for food and beverage (FDA / USDA approved) applications
- Gaskets for (steel) flanges where resistance to highly aggressive chemicals is required
ASTM F 36A
Compressibility Range @ 5000 psi: 4-10%
Recovery @ 5000 psi: 40%
Sealability (ASTM F 37A): 0.04 ml/h
Creep Relaxation (ASTM F38): 11%
Specific Gravity (ASTM D 792): 2.90 g/cm3
Sealability (DIN 3535): < 0.015 cm3/min
Style 7536 conforms to FDA requirements (does not support bacterial growth)
Barium filled PTFE is resistant to highly aggressive chemicals
Doesn't exhibit the cold flow problems associated with Virgin PTFE
Doesn't exhibit hardness problems of some other filled PTFE materials
Toxic chemicals such as ammonia, and phosgene
Steam, strong caustics, moderate acids, chlorine, gases
Hydrocarbons, hydrogen fluorides, aluminum fluoride and chrome plating solutions
Flexitallic's Sigma® 533
Frenzelit's Novaflon® 200
Klinger's Thermoseal® 2006
Silica Filled PTFE
Suitable for high pressures & temperature: Petrochemical, Hydrocarbon plants
Seals & Gaskets for the hatches, covers, reactor vessels, process vessels
Gaskets for flange connections, pipe connections, and maintenance seals
Gaskets for the process piping, pumps & valves, and flanges in:
- Pulp and paper industry
- Sugar processing, food and beverage industry
ASTM F 36A
Compressibility Range @ 5000 psi: 7 12%
Recovery @ 5000 psi: 40%
Sealability (ASTM F 37A): 0.2 ml/h
Creep Relaxation (ASTM F38): 18%
Sealability (DIN 3535): < 0.015cm3/min
Specific Gravity (ASTM D 79): 2.10 g/cm3
Meets ABS, FDA and USDA specifications: FDA 21CFR 177.1550)
Excellent bolt torque retention
Does not support bacterial growth
Minimized cold-flow and creep behavior
Provides a tight seal, very low gas leakage
Offers excellent chemical and mechanical resistance in a variety of applications
Does not support molten alkali metals
Fluorine gas, and hydrogen fluoride
Flexitallic's Sigma® 511
Frenzelit's Novaflon® 300
Klinger's Thermoseal® TC-1005
Glass Micro-Spheres Filled PTFE
Phelps Style 7538 is an excellent gasketing and sealing material
- Stress sensitive and fragile flanged joints
- Piping systems, glass apparatus flanges (medical and pharmaceutical)
- Irregular steel, metal alloy, ceramics or plastics flanges
- Glass & glass-lined flanges, and rubber-lined piping systems
ASTM F 36A
Compressibility Range @ 5000 psi: minimum 30%
Recovery @ 5000 psi: 30%
Sealability (ASTM F 37A): 0.12 ml/h
Creep Relaxation (ASTM F38): 40%
Sealability (DIN 3535): < 0.015cm3/min
Specific Gravity (ASTM D 79): 1.70 g/cm3
Meets ABS, FDA and USDA specifications: FDA 21CFR 177.1550)
Outstanding dimensional stability
Provides tight seal, and excellent bolt torque retention
Great for stress sensitive and fragile flanged joints that require low bolt loads
Highly Compressible layers conform to flange irregularities, especially on warped, pitted, or scratched flanges
Refrigerants (freon), cryogenic products
Hydrocarbons, solvents, caustics and strong acids
Flexitallic Sigma® 500
Frenzelit Novaflon® 100
Klinger's Thermoseal® TC-1003
Durlon® 9000
Red Rubber (ASTM D 1330.85 Grade 2)
ASTM D 1330.85 Grade 2
ASTM D 2000 1AA 704 Z1
Waste water, sludge and slurry
Oxidating environment, and alcohol exposure
Impact and abrasive application
Vegetable Fiber
Recommended for sealing oils, gasoline, greases, benzine, gases, water and air
Well-suited for electrical applications requiring high dielectric strength.
SAE J90
Mil-G-12803A, B & C
ASTM F 104-93
ASTM D 1170-62T
Federal HHP-96G Type 1
Recovery: 40%
Benzine, Naptha, Most Solvents
Oils, Gasoline, Keroene, Fuels, Greases
Red Rubber (ASTM D 1330 Grade 1)
ASTM D 1330 Grade 1
Cold and warm water applications
Impact and abrasive applications
Vegetable Fiber and Cork
Recommended for sealing oils, gasoline, greases, benzine, gases, water and air
SAE J90
ASTM F 104-93
ASTM D 1170-62T
Mil-G-12803A, B & C
Federal HHP-96G Type 1
Recovery: 40%
Benzine, Naptha, Most Solvents
Oils, Gasoline, Keroene, Fuels, Greases
NOVATEC 825F Engineered Graphite
An excellent steam sheet that works best in flanges
High temperature sealing applications
ASTM F 104 (Tests with 1/32" Thickness)
F 38 B Creep Relaxation
22 Hrs @ 212°F (100°C): 15%
22 Hrs @ 392°F (200°C): 35%
F 37 A Sealability
Fuel A @ 14.5 PSI/Gasket Load 1000 PSI: 0.25 ml/hr
F 37 B Sealability
Fuel A @ 9.8 PSI/Gasket Load 500 PSI: 0.5 ml/hr
Nitrogen @ 30 PSI/Gasket Load 3000 PSI: 0.1 ml/min
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: < 3%
Fuel B, 5 Hrs @ 73°F: < 4%
F 36 A Compressibility
@ 5000 PSI Gasket Load: 45%
Recovery: 10%
DIN 3535 Part 6 Gas Permeability
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: 2 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI
16 Hrs @ 347°F: Stress Retained > 6500 PSI
16 Hrs @ 572°F: Stress Retained > 5000 PSI
DIN 3754 48 Hrs @ 75°F Thickness Increase
H2S04 Sulfuric Acid 65% Concentration: 7%
NaOH Sodium Hydroxide 25% Concentration: 3%
NOVATEC 925F Engineered Graphite
Works best in high pressure flanges, pump casings, heat exchangers, lids, vessels, valve bodies and sight glasses
ASTM F104 (Tests 1/32" Thick)
F 38B Creep Relaxation:
22 hours @ 212°F (100°C): 12%
22 hours @ 392°F (200°C): 30%
F 37A Sealability:
Fuel A @ 14.5 PSI/Gasket Load 1000 PSI: .20 ml/hr
F 37B Sealability
Fuel A @ 9.8 PSI/Gasket Load 500 PSI: .06 ml/hr
Nitrogen @ 30 PSI/Gasket Load 3000 PSI: .075 ml/min
F 146 Thickness Increase:
Oil #3, 5 Hrs @ 300°F: < 2%
Fuel B, 5 Hrs @ 73°F: < 1%
F 36 A Compressibility:
5000 PSI Gasket Load, 15% F 36A Recovery: 40%
DIN 3535 Part 6 Gas Permeability:
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: .02 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI:
16 Hrs @ 347°F: Stress Retained > 6500 PSI
16 Hrs @ 572°F: Stress Retained > 5000 PSI
DIN 3754 48 Hrs @ 75oF Thickness Increases H2S04
Sulfuric Acid 65% Concentration: 6%
Na0H Sodium Hydroxide 25% Concentration: .5%
F3 Oil Retaining Felt
Oil wiper rings and grease retainers
Machinery pads and steel wiping applications
Bearing seals, Ink roll, Polishing, Printing pads, Lubricator wicks
Chassis strips, spacers, dash liners, antisqueak strips and pads
Vibration mounts, Shock dampeners, Sound deadening, and acoustic uses
Dryer drum seals, Impregnated packing, Insoles; Oil / dust / mud shields
SAE F3
Navy 27 F7e-F3
Federal C-F-2066 16R3
NOVATEC Premium Engineered Graphite with Kevlar®
Applications requiring excellent torque retention
ASTM F 104 Tests
F 38 B Creep Relaxation
22 hours @ 212oF (100oC): 7%
22 hours @ 392oF (200oC): 20%
F 37 A Sealability
Fuel A @ 14.5 PSI/Gasket Load 1000 PSI: 0.01 ml/hr
F 37 B Sealability
Nitrogen @ 30 PSI/Gasket Load 3000 PSI: 0.045 ml/min
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300oF: <1%
Fuel B, 22 Hrs @ 392oF: <0.5%
F 36 A
Compressibility @ 5000 PSI Gasket Load: 10%
Recovery: 50%
DIN 3754: 48 Hrs @ 75oF Thickness Increases
H2S04 Sulfuric Acid 65% Concentration: 2%
Na0H Sodium Hydroxide 25% Concentration: 0.5%
Toluene 100% Concentration: 1%
DIN 28 090-2
Specific Leak Rate: 0.01 mg/s*m
Maximum Gasket Load: 25,000 PSI
Fiberglass Cloth
Welding blankets
Substitute for asbestos cloth
Fire retardant and safety curtains
Great material for insulation and pipe lagging
Wall covering for finishing of walls and for cealings
Used for reinforcement of various floor coverings due to high tensile and puncture strength
Fiberglass cloth is highly resistant to attack by most chemicals
Novapress multi II Compressed Graphite Composite
ASTM F 104 Tests (for 1/32" thick material)
F 38B Creep Relaxation
22 hours @ 212°F (100°C): 10%
22 hours @ 392°F (200°C): 20%
F 37B Sealability
Fuel A @ 14.5 PSI/Gasket Load 2500 PSI: 0.1 ml/hr
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: < 15%
Fuel B, 5 Hrs @ 73°F: < 10%
F 36A
Compressibility at 5000 PSI Gasket Load: 7-15%
Recovery 50%
DIN 3535 Part 6 Gas Permeability
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: 1.0 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI:
For 16 Hrs @ 347°F: > 6500 PSI
For 16 Hrs @ 572°F: > 5075 PSI
DIN 3754 48 Hrs @ 75oF Thickness Increases
H2S04 Sulfuric Acid 65% Concentration: 30%
Na0H Sodium Hydroxide 25% Concentration: 15%
Novapress multi EG Compressed Graphite Wire Reinforced Composite
Pure graphite and stainless steel wire makes it withstand extremely high pressures
ASTM F 104 Tests (using 1/32" Thickness)
F 38B Creep Relaxation
22 hours @ 212°F (100°C): 10%
22 hours @ 392°F (200°C): 12%
F 37B Sealability
Fuel A @ 14.5 PSI/Gasket Load 2500 PSI: 0.5%
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: < 12%
Fuel B, 5 Hrs @ 73°F: < 10%
F 36A
Compressibility at 5000 PSI Gasket Load: 7-13%
Recovery: 55% F 152
DIN 3535 Part 6 Gas Permeability
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: 1.5 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI
16 Hrs @ 347°F: > 6670 PSI
16 Hrs @ 572°F: > 5510 PSI
DIN 3754 48 Hrs @ 75°F Thickness Increases
H2S04 Sulfuric Acid 65% Concentration: 25%
Na0H Sodium Hydroxide 25% Concentration: 12%
Compressed Aramid Fiber With Buna-N Nitrile Binder
Suitable for potable water applications (flange gaskets)
Resistance to high temperature creep with torque retention
Particularly good in 150 lb., and 300 lb., steam applications
ASTM F 104 (Tests 1/32" Thick)
F 38 B Creep Relaxation
22 Hrs @ 212°F (100°C): 9.3%
22 Hrs @ 392°F (200°C): 16.9%
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: 5% - 7%
Fuel B, 5 Hrs @ 73°F: 5% - 7%
F 36A
Compressibility @ 5000 PSI Gasket Load: 8.5% +/- 1%
Recovery: 57%
DIN 3535 Part 6 Gas Leak Rate
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: .05 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI
16 Hrs @ 347°F: > 5220 PSI (36 MPA)
16 Hrs @ 572°F: > 4060 PSI (28 MPA)
Hot Compression Test (1/16" Thickness Used For Testing)
7250 PSI @ 68°F(20°C): 8.2% Total
7250 PSI @ 572°F (300°C): 15% Total
The nitrile binder offers good resistance to various oils, petroleum derivatives
Resistance to high temperature creep with torque retention provides its sealing properties
Compressed Aramid Fibre Blend With Buna-N Nitrile Binder
For sealing gases, fuels, oils and refrigerants
Resistance to hot creep relaxation at elevated gasket stress loads
Flange gaskets for super heated steam, thermal cycling, boilers, heat exchangers
ASTM F 104 Tests (1/32" Thick)
F 38 B Creep Relaxation
22 Hrs @ 212°F (100°C): 17.9%
22 Hrs @ 392°F (200°C): 28.4%
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: < 5%
Fuel B, 5 Hrs @ 73°F: < 5%
F 36A
Compressibility 5000 PSI Gasket Load: 8.5% +/- 1.5%
Recovery: 55%
DIN 3535 Part 6 Gas Leak Rate
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: .05 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI (50 MPA)
16 Hrs @ 347°F (175°C): > 5510 PSI (38 MPA)
16 Hrs @ 572°F (300°C): > 4350 PSI (30 MPA)
Hot Compression Test (1/16" Thickness Used For Testing)
7250 PSI @ 572°F (300°C): 16% Total
7250 PSI @ 68°F (20°C): 9% Total
Steel Wire Reinforced Compressed Aramid With Nitrile Binder
An ideal high performance service gasket material for higher than normal pressures
Super heated steam, thermal cycling, boilers, heat exchangers, gases, fuels, oils, and refrigerant
Resistance to hot creep relaxation at elevated stress loads makes this gasket material unique
ASTM F 104 (Tests 1/32" Thick)
F 38 B Creep Relaxation
22 Hrs @ 212°F (100°C): 17.9%
22 Hrs @ 392°F (200°C): 28.4%
F 146 Thickness Increase
Oil #3, 5 Hrs @ 300°F: < 5%
Fuel B, 5 Hrs @ 73°F: < 5%
F 36 A
Compressibility 5000 PSI Gasket Load: 8.5% +/- 1.5%
Recovery: 55%
DIN 3535 Part 6 Gas Leak Rate
Nitrogen @ 580 PSI/Gasket Load 4640 PSI: .01 cc/min
DIN 52913 Stress Relaxation @ 7250 PSI
16 Hrs @ 347°F: > 5075 PSI (35 MPA)
16 Hrs @ 572°F: > 4350 PSI (30 MPA)
Hot Compression Test (1/16" Thickness Used For Testing)
7250 PSI @ 572°F (300°C): 16% Total
7250 PSI @ 68°F (20°C): 9% Total