– 2; Electrical Properties. EPS is a rigid, closed cell, thermoplastic foam material. x 24 in. Density Chart; Order Wholesale; Foam Types +-Enviro-Foam (ECO BOARD) Virgin EPS; I-Foam; Stringers +-Poplar Ply; Appelcore; Bamboo; Bass; High Density; Services +-CNC Cutting; 3D Scanning ; Recycling; Deliveries; Where To Buy +-Shapers Who Use Marko ; Distributors; About Us +-Why Marko? 0000004671 00000 n primarily on density, as illustrated in Table 1. ICA’s new state-of-the-art Hirsch mold allows us to manufacture block sizes anywhere from 37-1/2″ – 54″ x 49″ x 121-1/2″ – 220″. Less-expensive EPS—typically sold at home improvement warehouse stores—is 0.4 kg (1 lb) density per 0.02 m 3 (1 cf), appropriately called Type-I density EPS. x 24 in. Production, Technology & Operations Conference. The resilience of EPS insulation board provides reasonable absorption of building movement without transferring stress to … Foam density is also relative and shouldn’t be used to compare different product types. density, STYROBAR® can be produced with a variety of qualities suited to particular applications ranging from insulating boards to lightweight structural units. Firstly, EPS is an ultra lightweight material that has a density of approximately 1/100th of other conventional fill materials (see Table 1). 0000001737 00000 n Picture a styrofoam cup for example. Expanded Polystyrene (EPS) ... coating has been dried, the foam pattern assembly is positioned on several inches of loose dry sand in a vented flask and additional sand is then added while continuing to vi‐brate the flask until the pattern assembly is completely embedded in sand. These cells occupy approximately 40 times the volume of the original polystyrene bead. Material: Low-Density Range: Medium-Density Range: High-Density Range: Polyfoam: Less than 1.5 PCF: 1.5 PCF to 1.7 PCF: More than 1.7 PCF : Memory foam: Less than 4 PCF: 4 PCF to 5 PCF: More than 5 PCF: Density vs. Firmness and ILD. Foam densities can range from as low as 0.8 pcf to as high as 6 pcf, with a sufficient range being between 0.9 to 2.5 pcf. Material: Low-Density Range: Medium-Density Range: High-Density Range: Polyfoam: Less than 1.5 PCF: 1.5 PCF to 1.7 PCF: More than 1.7 PCF: Memory foam : Less than 4 PCF: 4 PCF to 5 PCF: More than 5 PCF: Density vs. Firmness and ILD. All substances of unknown composition should be tested for compatibility. However, low-density EPS not subjected to load will show no noticeable loss of dimensional stability at temperatures up to 184°F. Water and aqueous solutions of salts, acids and alkalis do not affect molded polystyrene. Newsletter. All rights reserved. Four different density values of 50 kgmˉ³, 64 kgmˉ³, 80 kgmˉ³ and 100 kgmˉ³ were considered in this study. 0000005696 00000 n However, one of the most confusing things about foam is the relationship between these characteristics. Amvic Multipurpose High Density Insulation Kit R10 2-3/8 in. Without the right tools, making those cuts and shapes can be messy, time-consuming, and a real hassle. Benchmark Foam’s High-Density EPS expanded polystyrene is ideal for many applications requiring high-strength insulation board. 0000009281 00000 n Home » Forum » General Discussion. Density affects foam durability and support. ). Polystyrene foam weighs 0.05 gram per cubic centimeter or 50 kilogram per cubic meter, i.e. The actual R-value of EPS depends on its density, with higher-density foams having higher R-values ranging from about 3.6 to 4.2 per 25 mm. These values are the common density range for EPS foam for bicycle helmets [12], and they were de fined by the stress-strain curve of EPS with different densities as shown in Figure 3 [13]. Construction-grade EPS is used as a filler. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack) (116) Model# 150705 $ 9 95 /package. The EPS foam is delivered by truckload and provided based on the client’s provided takeoff and specifications. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam with a normal density range of 11 to 32 kg/m 3. Longboards; Shortboards; Hybrids; Downrailers; Eggs; Guns; Fish; Kiteboards; Starter Kits; Shaping Products - All. Insulfoam EPS Rigid Foam Insulation. Virgin EPS; I-Foam; Stringers +-Poplar Ply; Appelcore; Bamboo; Bass; High Density; Services +-CNC Cutting; 3D Scanning ; Recycling; Deliveries; Where To Buy +-Shapers Who Use Marko; Distributors; About Us +-Why Marko? As seen in the table below, most properties of foams are strong functions of density, which allows a processor to fine-tune the exact performance needed by a simple processing change, without redesign of tooling. These properties, in combination with satisfactory engineering considerations provide the design flexibility required to create truly cost-effective protective packaging. New Superstrong Superwhite. XPS is a uniform R 5 per inch PE foam (Polyethylene foam) is the most common and largest production plastic, a kind of thermoplastic resin. The volume resistivity of molded polystyrene within the 1.25-2.5 pcf density range, conditioned at 73° F and 50% r.h. is 4x1013 ohm-cm. The mechanical properties of EPS foam depend primarily on density, as illustrated in Table 1. The water buoyancy per cubic metre of EPS is determined by subtracting its kg/m3 density from 1000. Last post. In Imperial or US customary measurement system, the density is equal to 3.1 pound per cubic foot [lb/ft³], or 0.029 ounce per cubic inch [oz/inch³]. SilveRboard 0.625 in. This is an economical packaging foam that is available in densities ranging from 1# to 3# and is easily formed by cutting, hot wiring, molding and routing. However, variables such as the grade of raw material used, geometry of the molded part and processing conditions will affect package properties and performance. The actual R-value of EPS depends on its density, with higher-density foams having higher R-values ranging from about 3.6 to 4.2 per 25 mm. ft. for a single, 1-inch 4×8 sheet. It causes superficial yellowing and friability, but does not otherwise affect physical properties. per cubic foot, which is significantly more than typical wood floatation devices. At frequencies up to 400 MHz, the permittivity is 1.02-1.04 with a loss factor less than 5x10-4 at 1MHz and less than 3x10-5 at 400 MHz. Its uniform, closed cellular structure limits radiant, convective and conductive heat transfer. Surfblanks Lite EPS. You are here. Many kinds of polyethylene are known, with most having the chemical formula (C₂H₄)nH₂. Download Comparison Chart as PDF. If you were to tell a stranger that foam has density, weight, and firmness characteristics, he or she would likely understand, given how common the terms are. With an in house technical division, regional project managers and nation-wide sales consultants, if you would like more building project specific data, we are here to help your project best meet its insulation needs …. 0000043346 00000 n In general, this is often true, but when appl… Millions of manufacturers over the past 40 years have relied on EPS transport packaging because of its exceptional cushioning properties and high tensile strength. To cut the foam is a different story to cutting wood but also requires the right supplies for the task. Because a molding process is used to produce EPS foam, there are more sizes available to select from, compared to XPS foam board which comes in limited sheet sizes. We purchase EPS foam in large billets, and slab cut it into sheets in our shop. For specification purposes, it is advisable to use the polymer density of the foam, or the density of the material made up strictly by the foam chemistry without fillers or reinforcements included. 0000010885 00000 n Your shaping effort and dust is reduced by more than 1/2 when ordering your blank customized. The blocks are then placed on the storage floor to age for the appropriate length of time before being cut into various shapes and sizes. x 48 in. Styrene Products, Inc. expanded polystyrene (EPS) rigid board foam plastic is for all types of industrial, packaging, and con-struction uses. Use Benchmark Foam’s High-Density EPS as a thermal barrier be-neath the concrete slab when installing a radiant floor heating sys-tem. Foam densities can range from as low as 0.8 pcf to as high as 6 pcf, with a sufficient range being between 0.9 to 2.5 pcf. There is a number of references illustrating the effects of foam density on mechanical properties of PU foams [2,5]. If used as a soft bed topper by an average-sized individual every day, a 1.5LB density foam will begin to show a noticeable decline in support and comfort after six months to a year. Atlas Molded Products specializes in the development and manufacture of innovative, high-quality, HFC- and HCFC-free Expanded Polystyrene (EPS) insulation for construction, packaging and OEM products. Man The data on fatigue properties of PU foams are generally lacking. please contact us! Accelerated test may be carried out by exposing molded polystyrene to the substance at 120-140 F UV radiation has a slight effect on molded polystyrene. 72 sq. 4 Environmental Product Declaration EUMEPS – Expanded Polystyrene (EPS) Foam Insulation (density 30 kg/m³) show that “no deficiencies are to be expected from EPS fills placed in the ground over a normal life cycle of 100 years.”/Langzeitverhalten 2004/, /Long-term … The dielectric strength of EPS material is approximately 2KV/mm. Table 1 presents the stress and strain values of EPS foam. Surf specific EPS. Expanded Polystyrene is manufactured in conformance with numerous standards. With the average package handled by up to nine different people and with more than 445,000 packages a day per distribution facility, the risks of the distribution environment can be great. 3/4 in. Duration of temperature, external load conditions, and density are the variables affecting foam insulation at elevated temperatures. EPS is hand- and machine-shapeable, although because of the larger cell size, it’s not quite as easy to shape as polyurethane foam. The dielectric strength is approximately 2KV/mm. EPS foams can be used to absorb energy. trailer << /Size 52 /Info 18 0 R /Root 21 0 R /Prev 93118 /ID[<2900b48cfc39341d78a8fe884ee9df4e><2900b48cfc39341d78a8fe884ee9df4e>] >> startxref 0 %%EOF 21 0 obj << /Type /Catalog /Pages 19 0 R >> endobj 50 0 obj << /S 143 /Filter /FlateDecode /Length 51 0 R >> stream Last seen: 12 years 9 months ago . Type-I products typically offer about R-3.9 per 25 mm or R-7.8 at 50 mm (2 in. 20 0 obj << /Linearized 1 /O 22 /H [ 1042 290 ] /L 93646 /E 48008 /N 4 /T 93128 >> endobj xref 20 32 0000000016 00000 n x 48 in. Generally, strength characteristics increase with density, however the cushioning characteristics of EPS foam packaging are affected by the geometry of the molded part and, to a lesser extent, by bead size and processing conditions, as well as density. EPS is even lower making the differences even greater. – 0; Compressive strength, p.s.i. This quality product is less expensive than alternative forms of rigid insulation, giving you the best value in the industry. The manufacturing process for EPS conventionally begins with the creation of small polystyrene beads. Beyond its competitive material pricing, EPS - because of its versatility and lightweight characteristics - can offer savings in design and development, product assembly and distribution costs. Densities can range from 10 grams per litre (0.6 pounds per cubic foot) to 48 grams per litre (3.0 pounds per cubic foot). EPS protective packaging offers a broad range of physical properties to the designer and user. The table below breaks down PCF ranges for low-, medium-, and high-density polyfoams and memory foams. Foam can be used for different applications so it’s one of the most versatile materials to work with for a do-it-yourself project. It is produced from solid beads of polystyrene. EPS foam density. It is usually white and made of pre-expanded polystyrene beads. Table 8 An ideal FIP structure would contain a conventional urethane foam density in the non-reinforced core of the laminate with a rapid increase in the reinforced skins. EPE is white, light, flexible and able to bend. x 24 in. density of styrofoam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure. 4 Environmental Product Declaration EUMEPS – Expanded Polystyrene (EPS) Foam Insulation (density 15 kg/m³) show that “no deficiencies are to be expected from EPS fills placed in the ground over a normal life cycle of 100 years.”/Langzeitverhalten 2004/, /Long-term … Thu, 2006-03-09 16:35 #1. geef. 0000000987 00000 n Amvic Multipurpose High Density Insulation Kit R10 2-3/8 in. It is meant to fill empty space or to be used as insulation and strangely, this is the quality of EPS that many surf manufactures use to build surfboards. Equipment manufacturers realize cost savings across the board same kind of thermoplastic resin: //www.EPSFoamPro.comBasically HD foam for... The result is the weight in kilograms that a cubic metre of EPS determined! Can heighten the quality of the chemistry used to produce the foam and included... The way up to 184°F to producing the highest quality foam/stringer combinations foam is. Applied, thus forming closed cells of EPS and others Australia has been making surfboard foam since 1968 be... Property changes when it is resistant to many solvents including styrene and fuels! Hybrids ; Downrailers ; Eggs ; Guns ; Fish ; Kiteboards ; Starter Kits ; Shaping products all. Pre-Expanded polystyrene beads the right supplies for the task Figure 1 ) exposure temperature. 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Giving you the weight in kilograms that a cubic metre of EPS material is approximately 2KV/mm of physical properties the. 49″ x 121-1/2″ – 220″ wood floatation devices is also great for occasional-use comfort products supplies for task... The chemistry used to produce the foam its unique characteristics 32 kg/m 3 on EPS transport packaging because its... Included with the foam is much more durable, lighter, and High-Density polyfoams and memory foams less than! That a cubic metre of EPS of perishable foods industry, EPS even. Shortboards ; Hybrids ; Downrailers ; Eggs ; Guns ; Fish ; Kiteboards ; Starter Kits Shaping. Basic colors pink, blue and green etc firm or hard tests were conducted on cubic specimens EPS. Primarily on density density EPS foam depend primarily on density ( in Annex. Thick and 16-feet long or larger $ 56 08 slab when installing a radiant floor heating sys-tem considered... Volume of the EPS foam blocks all the way up to 8 inches in #... 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Slab cut it into sheets in our shop, STYROBAR® can be treated with anti-static to! 16-Feet long or larger ( 106 ) Model # AMDKIT001 $ 56 08 polyurethane foam, and real... Expansion is achieved by virtue of small amounts of gas contained within the 1.25-2.5 PCF density of! Is available in any thickness up to 36-inches thick and 16-feet long or.... Many kinds of polyethylene are known, with most having the chemical formula C₂H₄! Product has a 3LB density, as shown in the food distribution industry, EPS is ideal for many requiring. Pcf ranges for low-, medium-, and a real hassle fine interstitial channels within the polystyrene bead depending...

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