Category
| Material
| Tensile Strength
| High Temperature Usefulness °F
| Relative Cost Rating Within This Material Group
|
Rubber/Elastomer
| Natural Rubber (Pure Gum)
| 3000
| 150
| 1.05
|
| Description: Soft rubber with high resilience and tear resistance. Good for squeegee blades and seals. Poor oil, ozone, sunlight and heat resistance. |
 |
Rubber/Elastomer
| SBR
| 700
| 200
| 0.60
|
| Description: Popular low cost, non oil-resistant rubber. |
|
Rubber/Elastomer
| Neoprene
| 1500
| 225
| 0.70
|
| Description: All-purpose material combines moderate oil, gasoline, sunlight, ozone, chemical and oxidation resistance in one product. |
|
Rubber/Elastomer
| Nitrile (Buna N)
| 1500
| 250
| 1.60
|
| Description: Excellent oil and gasoline resistance. |
|
Rubber/Elastomer
| EPDM (EPR)
| 1500
| 300
| 1.45
|
| Description: Excellent weather, water and ozone resistance. Good heat resistance. Not for use with petroleum products. |
|
Rubber/Elastomer
| Silicone
| 700
| 450
| 4.60
|
| Description: Maximum resistance to heat and cold, oxidation, ozone and weathering. High dielectric strength. |
|
Rubber/Elastomer
| Urethane
| 6000
| 250
| 9.00
|
| Description: Tough resilient material designed for applications requiring maximum abrasion resistance and high tensile strength. |
|
Rubber/Elastomer
| Viton®
| 1200
| 400
| 33.50
|
| Description: Maximum resistance to most oils and many chemicals in high temperature conditions. |
|
Rubber/Elastomer
| White FDA Rubber
| 1500
| 200
| 2.70
|
| Description: Ingredients used in the compound are FDA approved. Non-marking; useful in food handling. |
|
Rubber/Elastomer
| Cloth Inserted Rubber
| 700
| 200
| 1.80
|
| Description: Fabric reinforces the rubber to reduce stretching. Many varieties available. Contact Precision Gasket for details. |
|
Rubber/Elastomer
| Thermoplastic Rubbers
| 1200
| 250
| 3.25
|
| Description: Excellent fatigue and chemical resistance. Some products are impervious to oil. FDA and NSF compounds available. |
|
Cork/Rubber Blend
| Neoprene/Cork
| 200
| 250
| 2.40
|
| Description: Gasket Material made from cork particles blended with neoprene rubber to improve compression set, fatigue, sealing properties over rubber. |
|
Cork/Rubber Blend
| Nitrile/Cork
| 200
| 250
| 2.50
|
| Description: Similar to neoprene/cork, but better suited to petroleum applications. |
|
Sponge/Sponge Blend/Foam
| Closed Cell Neoprene Blend Sponge
| 75
| 225
| 0.33
|
| Description: Widely used for gaskets, pads, etc., where solid rubber is too hard. Firmer than foam materials. |
|
Sponge/Sponge Blend/Foam
| Open Cell Natural Rubber Sponge
| 150
| 150
| 0.84
|
| Description: Excellent resistance to compression set. Firmer than foam materials. Absorbs liquid. |
|
Sponge/Sponge Blend/Foam
| Silicone Sponge
| 100
| 450
| 4.85
|
| Description: Closed cell material with maximum resistance to compression set and most environmental conditions. Firmer than foam materials. |
|
Sponge/Sponge Blend/Foam
| White FDA Sponge
| 100
| 130
| 0.90
|
| Description: Closed cell material made from FDA approved ingredients. Used primarily in food applications. |
|
Sponge/Sponge Blend/Foam
| Open Cell Polyurethane Foam
| 25
| 225
| 0.30
|
| Description: Softest cellular material for gasketing, sound control, packaging, etc. Excellent chemical resistance properties. Absorbs liquid, low cost. |
|
Sponge/Sponge Blend/Foam
| Closed Cell Polyurethane Foam (Crosslinked)
| 50
| 200
| 0.15
|
| Description: Soft resilient material has excellent chemical resistant properties. |
|
Engineered Fiber Composite
| Cellulose Fiber
| 2000
| 250
| 0.50
|
| Description: Useful for applications with medium flange bolt pressure. Fuel resistance, but affected by acids, water. |
|
Engineered Fiber Composite
| Reinforced Cellulose Fiber/Rubber (Beater Saturated)
| 1500
| 350
| 0.50
|
| Description: Rubber binder adds resistance to some chemicals and improved sealability. For applications with medium flange bolt pressure. |
|
Engineered Fiber Composite
| Reinforced Aramid Fiber/Rubber (Beater Saturated)
| 4000
| 750
| 1.75
|
| Description: For medium to heavy flange bolting pressure. Variety of rubber binders available. 1/16" thick maximum. Uniform fiber dispersion. |
|
Engineered Fiber Composite
| Reinforced Aramid Fiber/Rubber (Compression Saturated)
| 3500
| 750
| 3.00
|
| Description: For heavy flange bolt pressure applications. Contains rubber binder. Thickness from 1/64" to 3/16" available. |
|
Engineered Fiber Composite
| Graphite Sheet
| 750
| 900
| 2.00
|
| Description: For applications with very high temperatures. |
|
Felt
| Wool Felt
| 250+
| 200
| 0.95
|
| Description: Many thicknesses and densities available. Excellent cushioning, sealing, wicking and environmental properties. |
|
Felt
| Synthetic Felt
| -
| -
| 1.00
|
| Description: Typical materials include: Polypropylene, rayon, polyester, nylon, Nomex, and Teflon felts. |
|
Plastic
| Polyethylene
| 5000
| 250
| 0.40
|
| Description: Low and high densities available. Excellent solvent resistance. |
|
Plastic
| Nylon
| 12000
| 250
| 2.30
|
| Description: Tough over a wide range of temperatures. Abrasion, heat and chemical resistant. Can be fiberglass or MDS filled. |
|
Plastic
| Polypropylene
| 5000
| 250
| 0.45
|
| Description: Tough, rigid with outstanding flex life. Excellent abrasion and good chemical resistance. |
|
Plastic
| Polyester (Mylar®)
| 25000
| 400
| 1.25
|
| Description: Very strong with good balance of physical, chemical properties. Outstanding dielectric strength for electrical insulation. |
|
Plastic
| Teflon®
| 2000
| 500
| 6.25
|
| Description: Unexcelled chemical resistance; high dielectric strength; non-flammable and inert to weather and sunlight. Lowest coefficient of friction of any solid. |
|
Electrical Insulation
| Kapton®
| 25000
| 700
| 3.30
|
| Description: Available from .0003" to .005" thick. This Dupont film has exceptional heat resistance, mechanical strength, and dielectric properties. |
|
Electrical Insulation
| Nomex®
| 1000
| 400
| 0.50
|
| Description: Available from .003" to .030" thick. Dupont Aramid paper can be creased and formed and is UL listed. |
|
Electrical Insulation
| Vulcanized Fibre (Fishpaper)
| 21000
| 250
| 0.35
|
| Description: Chemically hardened paper with excellent dielectric strength and high friction and oil resistance. Can be formed. |
|
Electrical Insulation
| Flame Retardant Papers/Boards
| 10000
| 275
| 0.65
|
| Description: UL 94V-0 Flame retardant rated materials. Rigid with high electrical insulation properties where moisture is not present. |
|
Electrical Insulation
| Formex™ Flame Retardant Plastic
| 3600
| 200
| 0.65
|
| Description: Moisture resistant with high dielectric strength. Excellent scoring/folding performance and UL 94V-0 rating. |
|
Electrical Insulation
| Epoxy/Glass Laminates
| 50000
| 350
| 2.50
|
| Description: Glass cloth is saturated with epoxy thermosetting resins to create rigid, strong material with excellent dielectric properties. Minimum thickness is .005". |
|
Thermal Insulation
| Non-Asbestos Paper
| 500
| 750
| 1.00
|
| Description: White material reflects heat and light. Effective for replacing asbestos paper. Some contain rubber binder to limit moisture absorption. |
|
Thermal Insulation
| Fiberglass Insulation
| N/A
| 350-1000
| 0.25
|
| Description: Low cost light weight versatile material. Organic binders burn at 350° F, but glass is unaffected up to 1000° F. |
|
Thermal Insulation
| Ceramic Insulation
| 35
| 2300
| 2.05
|
| Description: Unaffected by most chemicals. Thick blanket, compressed board, paper versions available. |
|
Noise/Vibration Control
| Sound Absorbing Foams
| 20
| 225
| 0.50
|
| Description: Absorbs hight frequency sound. Can be adhesive backed. |
|
Noise/Vibration Control
| Specialty Damping Sheet
| 1000
| 135
| 3.10
|
| Description: A dense thermoplastic used to reduce low frequency vibration. Adhesive backing available. |
|
Noise/Vibration Control
| Foam/Damping Sheet Composites
| 1000
| 135
| 1.28
|
| Description: Absorbs both high and low frequency sound and vibration. Adhesive backing available. |
|
EMI/RFI Shielding
| Foil Laminates
| N/A
| 200
| 1.30
|
| Description: Aluminum or copper foil laminated to paper or plastic film; strong; formable and uniform. Good for wrap around shielding. |
|
EMI/RFI Shielding
| Wire/Rubber Composites
| N/A
| 375
| 15.00
|
| Description: Used for conductive gasketing. Stops both liquid and EMI/RFI radiation from passing between mating flanges. Many types available. |
|
EMI/RFI Shielding
| Silver Particle Filled Conductive Rubber
| 175
| 375
| 125.00
|
| Description: Used for conductive gasketing. Has corrosion characteristics of silver. |
|
Pressure Sensitive Adhesive
| Rubber Based Adhesives
| N/A
| 150
| 1.15
|
| Description: High initial tack strength. 1 year shelf life maximum. |
|
Pressure Sensitive Adhesive
| Acrylic Based Adhesives
| N/A
| 250
| 1.25
|
| Description: Low initial tack strength but high long term bond strength. 2 year shelf life maximum. |
|
Pressure Sensitive Adhesive
| Silicone Based Adhesive
| N/A
| 450
| 9.00
|
| Description: Moderate tack strength. Withstands 450° F temperature. 6 month shelf life maximum. |
|
Pressure Sensitive Adhesive
| 3M Safety Walk®
| -
| -
| -
|
| Description: Adhesive backed, durable antislip material contributes friction to make surfaces safe and efficient. Different textures are available. |
|
