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Rigid Foam

 

rigid foam


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Rigid Foam Insulation

Rigid foam insulation has the highest insulating values of any conventional foam insulation commercially available today. Very low conductivity gases trapped in the closed cellular structure reduce heat transfer by conduction. The combination of these properties yields a material that can be used in service between –100° F to 200° F. Rigid foam board insulation is moisture resistant, dimensionally stable, air tight, resistant to the transfer of heat through and has the ability to perform a structural role.

How is Foam Insulation Used?

In addition to its other valuable properties, rigid foam board insulation features a higher R-value than materials such as fiberglass, cellulose and cotton. R-value refers to the ability of an insulating material to resist heat — the higher the R-value, the greater the heat resistance and overall insulating ability of the material. The combination of high R-value and other strong properties makes rigid foam core insulation a preferred choice for use with building components such as walls, floors, roofs and foundations.

What Are the Types of Rigid Foam Insulation?

There three basic types of rigid foam insulation include:

EPS can be manufactured in various densities, with the higher densities providing greater compressive strength. Also, higher-density EPS will also have a higher R-value. EPS is classified as a semi-permeable material and has a greater water absorption capacity than the other two foam insulation types.

ISO is applied as a liquid foam that forms a rigid panel upon spraying. It typically includes a foil facing, which increases its durability and makes it virtually impermeable. The foil facing also makes ISO more resistant to ignition that either EPS or XPS.

  • Expanded polystyrene: EPS is the most versatile type of rigid insulation and is commonly used in roofs, walls and flooring. EPS also features the highest R-value per dollar of the three main types, while generally being the least expensive.
  • Extruded polystryene: XPS ranks in the middle of the three insulation types in terms of cost and R-value. The most common XPS use is in below-grade applications to insulate foundation walls and slabs. XPS offers greater moisture resistance than EPS, as well as stronger thermal insulation capabilities. XPS is also recyclable, making it an eco-friendly option for “green” building or retrofitting projects.
  • Polyisocyanurate: ISO is the most expensive of the three rigid insulation types and is most commonly used in roofing applications. Although ISO also has the highest R-value, its performance tends to decrease significantly in lower temperatures.
Structural / Core Foam

Structural Foam is a second-generation rigid polyvinyl chloride (PVC) foam core material. It exhibits a good blend of toughness, damage tolerance, and formability. Structural Foam has a smaller cellular structure which reduces adhesive requirements. Structural foam is a high stiffness cross-linked PVC foam core material.

Airex® - Airex® is an unique closed cell, cross linked polymer foam that combines high stiffness and strength to weight ratios. It is water absorption resistant and resistant to most chemicals. Its fine cellular structure offers an excellent bonding surface.
 
RF & Microwave Foam

Shielding Foam - Foam absorbers are a type of rigid foam that can absorb sound, radio, radar, and microwaves. Rigid foam absorbers absorb, deflect, and disperse these waves. Foam absorbers also have the capability to be used as a structural foam.
  • Eccoshield® - Eccoshield® is available in various caulking, conductive sheets, adhesives and coatings for your RF & microwave shielding needs.
Absorbing Foam - We offer a complete line of RF Absorbers for RCS reduction, electromagnetic interference reduction, and suppression of surface waves, transmission line applications, and carbon dielectric foam absorbers for radome lining and antenna sidelobe reduction. Quieting the Q of cavities can be accomplished using magnetically loaded rubber sheet absorbers or liquid castable absorbers. Radar Absorbing Materials (RAM) are noted for their high quality and repeatable performance.
  • Eccosorb® - Eccosorb® foams have a broad range of foams for RF & microwave absorbing applications. These foams are frequently used in aerospace applications, because it is a space rated polymer. These foams are available in a range of materials and densities.
Low Loss Dielectric Foam - Low loss dielectric foam is a rigid, high-temperature foam material. Applications include: insulators, antennas, radar equipment, and many types of support pieces.
  • C-Stock® - C-Stock® foam is a low loss dielectric rigid foam. It is lightweight and very useful in RF and microwave applications. C-Stock® foam can also be used for dielectric spacers, antennas, transmission lines, and matching transformers.

  • Eccostock® - Eccostock® foams have a broad range of foams for low loss dielectric applications. These include rigid foams, flexible foams and syntactic foams all specifically designed for your unique RF & microwave application.
High Density Foam

Sign Foam - Our most popular foam for sign fabrication is rigid urethane sign board. Rigid sign board is a rigid, closed cell, high-density urethane foam material. This rigid foam is an excellent material for use in signs and billboards along with other carving applications. Rigid sign board is completely waterproof and impervious to solvents, which makes it an excellent foam to use indoors and outdoors. High or low environmental temperatures, rain, snow, or ice has no affect on this high-quality material. Many of our customers routinely use this foam to make high-quality signs for outdoor and indoor applications.

PVC Foam - Polyvinyl chloride (PVC) foam is a material that possesses the properties to increase the efficiency of items even as important as space shuttles and naval ships. PVC foam is a material that possesses these unique characteristics that are desirable in these fields. PVC foam is an ideal core material for constructing such structures because of its high bending stiffness, strength, weight, and ability to reduced acoustical noise. PVC foam is also used as a sandwich core material for the marine industry.
  • Komacel® - Komacel® is an integral skin foam sheet made of rigid PVC. It has high flexural strength and is light weight. It is sound and vibration absorbing with a low thermal conductivity.

  • Celtec® - Celtec® is a light weight closed cell rigid PVC foam. It is available in a wide range of colors and is well suited for screen printing, painting and laminating.

  • Sintra® - Sintra® is a light weight closed cell rigid PVC foam. It is available in a wide range of colors and is well suited for screen printing, painting and laminating.
Trymer® - Polyisocyanurate foam is a rigid foam that has the highest insulating values of any conventional foam insulation commercially available today. Very low conductivity gases trapped in the closed-cell structure also reduce heat transfer by conduction, thereby further increasing the thermal efficiency of these foams. Trymer® rigid foam insulation is a highly moisture-resistant, modified polyisocyanurate bun stock. It is available in a range of densities and compressive strengths for a variety of applications requiring dimensionally stable insulating composites within the service temperature range of -297°F to +300°F (-190°C to + 149°C).

Trymer RoHS CertificateRoHS Certificate
 
Phenolic Foam

Phenolic foam is a lightweight, high performance, thermal insulating foam that possesses excellent mechanical strengths. Phenolic foam has a closed cellular structure that resists water ingression. Phenolic foam is available in block, slab, pipe sections, foil covered laminates, and specialty sections. Phenolic foam can be bonded to rigid or flexible substrates to produce special panels for specific applications.
 
Polyethylene

Polyethylene Foam (PE) is a strong resilient closed cell foam. Used for shock absorbing, vibration dampening, loose fill, and cushioning products in packaging applications. Polyethylene is lightweight, shatter proof, flexible, cost-effective, and impervious to mildew, mold, rot, and bacteria.

Plastazote® - Plastazote® is a high-quality, lightweight closed-cell cross-linked polyethylene foam. The unique high-pressure nitrogen gas process eliminates the need for toxic blowing agent residues. Plastazote® is non-toxic, hypoallergenic, and latex-free. It is heat moldable, grindable, and washable. Plastazote® is not machineable. It is usually die cut.

Ethafoam® - Ethafoam® has a wide range of materials of lightweight closed-cell polyethylene foams for all of your application needs.
 
Polyimide Foam

Polyimide (PI) is a light weight foam has both fire-resistant and acoustical properties. Polyimide foam can be shaped for easy installation and laminated with barrier film. Polyimides are remarkably resistant to standard solvents, oils, and fuels.

Solimide® - Solimide® is primarily an open cellular structured foam. The maximum continuous temperature limit for Solimide HT-340 foam is 575°F (300°C). However, it can be used at higher temperatures if only intermittently or if exposed to a single side.

Torlon® - Torlon® is a rigid polyimide foam. It is machineable, moldable and extrudeable.
 
Polyurethane Foam

This product is no longer available in the State of California.
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Polyurethane is a unique material that offers the elasticity of rubber combined with the toughness and durability of metal. Urethane is available in a diverse range of hardness which allows the engineer to replace rubber, plastic, and metal with a product that is more resistant to abrasion with more desirable physical properties. Urethanes have better abrasion and tear resistance than rubbers, while offering higher load bearing capacity. Urethanes have replaced metals in sleeve bearings, wear plates, sprockets, rollers, and various other parts. Some benefits include weight reduction, noise abatement, and more wear resistent improvements.

Rigid Urethane Foam

Rigid urethane foam is a cross-linked polyurethane foam. Rigid urethane foam has the highest R value (capacity to impede heat flow) of any material readily available. Rigid urethane foam is primarily used for thermal insulation.
 
Polystyrene

Polystyrene foams are a thermoplastic polymer that can be extruded or expanded, depending upon processing. It is predominantly utilized in the packaging industry.

Freezermate® - Freezermate® is an extruded (XPS) polystyrene that is noted for its blue color. It is used in the construction industry as a sub-floor thermal insulator.

Styrofoam® - Styrofoam® is an extruded (XPS) polystyrene that is noted for its blue color. It is used in construction industry for its insulating properties.

EPS - Expanded (EPS) polystyrene beads are used to manufacture a wide range of disposable packaging that is commonly recognizable by its white color. They do not provide the insulating value, compressive strength or moisture resistance properties of Styrofoam® products and are incorrectly identified as Styrofoam®.

American Micro Industries Can Provide Custom Rigid Foam Components

American Micro Industries can perform custom foam machining to your specifications. We implement the most advanced CNC machining techniques to ensure the foam material retains its structural integrity and thermal and mechanical properties. We can also die cut rigid foam using advanced rotary, steel rule and laser die cutting methods.

We can work with you to select the best manufacturing technique for your needs and budget. Feel free to submit your own mechanical drawings and we will transform them into a finished foam insulation product that will exceed your expectations.

Why Choose American Micro Industries?

At American Micro Industries, we take great pride in our ability to manufacture high-quality products with fast turnaround times and prompt delivery. We specialize in those hard-to-find products you badly need, but which are typically beyond the scope of many of our competitors.

Contact Us to Get Your Foam Insulation Project Started

Give us a call at 1-866-765-9191 or fill out and submit our online contact form today to learn more about our rigid foam machining and die cutting services, and get a no-obligation project quote.

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