Silicone Gaskets

Silicone sheet gasket material is a very versatile material ideal for a wide range of applications. Silicone rubber gasket material offers temperature resistance, weather (UV and ozone) resistance, and fire resistance . Silicone gasket material has very good compression set resistance allowing it to maintain a proper seal over many years.

Silicone gaskets offer exceptional high and low temperature capability while maintaining excellent flexibility. Normally manufactured by molding or die cutting of sheet stock. Silicone rubber offers the advantages of lower molding pressures compared to organic rubber, as well as low toxicity and low odor.

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Silicone gasket material is not recommended for dynamic applications due to it's poor tear strength and tensile. It does not do well with oils.  It does however do well in most gasketing (static) applications and seals at lower bolt loads than most rubber materials due to it's low durometer.

The temperature range on most silicone gasket materials is -80o F  to +450o F 

Consult American Seal & Packing for your specific application.

Available in 1/32", 1/16", 1/8", 3/16" and 1/4"

We cut gaskets from a wide range of silicone including;

 - Commercial Grade Silicone

 - General purpose silicone

 - FDA Silicone

 - Fiberglass Reinforced Silicone

 - Silicone Sponge

 - Silicone Foam

 - Conductive Silicone

 - Flourosilicone

 - Coated Fabrics Silicone Sheet

 - Medical Grade Silicone (health care grade)

 - Extreme High Tear Silicone

 - Extreme High Temperature Silicone

 - Fabric Finish Silicone

 - Flame Retardant Silicone

Call us directly or Order Silicone Gasket Materials online today!
American Seal & Packing (714) 593-

The best methods for cutting silicone gaskets is the use of a waterjet or a knife edge CNC router (flash cutter). They cut a silcone gasket with out the need for tooling or dies.

Traditional "clicker presses" are great for larger quantity jobs and have been the standard in the industry for years. The biggest down side to using clicker presses is tooling must be made to produce a gasket ao unless your order large quantities the tooling will cost you more than the parts.

For more information, please visit Custom Silicone Gaskets.

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Specialized sealing products like Grafoil® flexible graphite, FKM, Ameri-lon®, Kalrez®, and more common materials for cut gaskets like: PTFE, filled PTFE, FKM, Viton®, silicone, rubber, buna, EPDM, cork, fish paper, vegetable fiber, and non-asbestos Cut Gaskets.

If you have a cut gasket application that requires more than traditional solutions, let our team of cut gasket professionals help.

Manufacturers we represent

Utex Industries, JM Clipper, Sepco, FMI, Pure Flex,  Parker, Leader Gasket, Burgmann.

Though trading partners we can also offer Flexitallic, Garlock, A.W. Chesterton, and other major brands.

Cut Silicone Gaskets

Fill the space between two objects, generally to prevent leakage between the two objects while under compression. Silcone Gaskets saves money by allowing less precise mating surfaces on machine parts which can use Cut Gaskets to fill irregularities. Gaskets are commonly produced by cutting from silicone sheet.

It is usually desirable that the gaskets be made from a material that is compressible such that it tightly fills the space it is designed for, including any slight irregularities. Silicone is an excellent mateial for this.

The most common misconception when selecting a Gaskets thickness is to choose a Gaskets that is too thick. The thicker the material the more likely the material being contained can weep through the pores of the Gasket itself. This is a greater issue with some materials than others.  A cellular structure silicone (closed or open cell) would be more susceptible to this problem.

A rule of thumb is to have the material thick enough to compensate for any surface face irregularities and to permit some compression.  The required compression for your Cut Gaskets will depend many factors including:

1)Silicone Gasket Surface area

2)Pressure on the gasket

3)Size of bolts (assuming bolts are being used)

4)Number of bolts used to compress the Silcone Gasket

5)Condition of the bolts

6)Lubrication on the bolts

All must be considered when determining torque.  Torque data must be determined using all of the above and should be provided by an engineer.  Gasket torque for standard ANSI or API flange using Ring or Full Face gaskets torque data can be supplied by AS&P.   In most cases the old tighten it tight enough to stop any leaks but not too tight as to completely crush the gasket is generally accepted.

Over compression of Silcone Cut Gaskets is not a common problem. Typical flange torque can be tolerated.   The common strategy of "The more compressive load exerted on the gasket, the longer it will last" is generally true of elastomeric materials since elastomers (rubber and silicone) are not compressible but deflect compression. 

American Seal & Packing Cuts Gaskets of all types, Including: PTFE, compressed non-asbestos, vegetable fiber, beater add, cork, and various rubbers - Nitrile, Buna-N, SBR, Silicone, EPDM, Viton®, FKM, Hypalon, Aflas®, natural rubber, closed cell, open cell, Neoprene, GRAFOIL® Flexible Graphite and other "soft goods". Gaskets can be cut based on your drawing or sample of the gasket you desire. Basic I.D x O.D shapes can be cut by hand however most gaskets require a die. Gasket materials are available in rolls or on pallets depending on type and quantity. Name brands we can provide include; Klinger, Johns Manville, RM, FMI, Detroit, Utex and GRAFOIL® Flexible Graphite among other gasket styles. So, if you want a cut silicone gasket or gasket material so you can cut your own, we can help.

Rubber gaskets are vital and versatile seal components in a wide range of industries and applications. They can be made from various rubber and plastic compounds to withstand any obstacle.

Here at Marco Rubber, our rubber gaskets are available with quick turnarounds and shipping times. We keep standard sizes and materials stocked for rapid delivery. We also offer custom rubber gaskets with quick lead times and low production runs.

Common Applications and Industries

Thanks to their durability, versatility, and ability, rubber gaskets are used in many applications in almost every industry.

Some key industries include:

• Agriculture
• Automotive
• Aerospace
• Plumbing
• HVAC
• Industrial
• Electronics
• Food and Beverage
• Medical Devices
• Oil and Gas
• Marine
• Construction
• Chemical Processing
• Pharmaceuticals

Some key applications include:

• Fuel Systems
• Fluid Delivery Systems
• Pipes and Faucets
• Turbines
• Solar Panels
• Enclosures
• Transmissions
• Processing Equipment
• Pumps
• Generators
• Drilling Equipment
• Housings
• Hydraulic Systems
• Packaging Machinery
• Compressors
• Transformers
• Valves
• Air Conditioning

Rubber Gasket Fabrication

To meet your supply needs, we offer rubber gasket fabrication options!

With our experienced engineering team and advanced technology, we can supply custom rubber gaskets to almost any specification. Please submit your detailed drawing for a quote.

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