The water buoyancy per cubic metre of EPS is determined by subtracting its kg/m3 density from 1000. EPS protective packaging offers a broad range of physical properties to the designer and user. 0000009281 00000 n
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. Type-I products typically offer about R-3.9 per 25 mm or R-7.8 at 50 mm (2 in. PE is odorless, tasteless, and generally harmless. Density affects foam durability and support. – 2; Electrical Properties. 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. Benchmark Foam’s High-Density EPS expanded polystyrene is ideal for many applications requiring high-strength insulation board. H��W�r�8��^��L�4�;7/�I��IM�. 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. (5-Panels) (106) Model# AMDKIT001 $ 56 08. 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. 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. density, STYROBAR® can be produced with a variety of qualities suited to particular applications ranging from insulating boards to lightweight structural units. x 24 in. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam with a normal density range of 11 to 32 kg/m 3. The table below breaks down PCF ranges for low-, medium-, and high-density polyfoams and memory foams. 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. –31-37; Tensile strength, p.s.i. EPS. 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. SilveRboard 0.625 in. When you compare EPS and XPS insulation at the same R-values, EPS insulation can be between 10 to 30 percent less expensive and costs about 19 cents per sq. x 48 in. It is usually white and made of pre-expanded polystyrene beads. ft. for a single, 1-inch 4×8 sheet. EPS is created in a two-stage process:Raw beads are expanded using steam, creating pre puff beads, which are then cured in large bags before being conveyed to the mold. Styrene Products, Inc. expanded polystyrene (EPS) rigid board foam plastic is for all types of industrial, packaging, and con-struction uses. 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 …. They are low density, medium density and high density polyethylene. 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. 0000025594 00000 n
0000015378 00000 n
EPS is hand- and machine-shapeable, although because of the larger cell size, it’s not quite as easy to shape as polyurethane foam. In practice, the density gradient is highly susceptible to the type of blowing agent used and much of the success of the process is dependent on proprietary techniques for formulating and controlling this. The manufacturing process for EPS conventionally begins with the creation of small polystyrene beads. Firstly, EPS is an ultra lightweight material that has a density of approximately 1/100th of other conventional fill materials (see Table 1). Last seen: 12 years 9 months ago . 0000001737 00000 n
The EPS foam is delivered by truckload and provided based on the client’s provided takeoff and specifications. The result is the weight in kilograms that a cubic metre of EPS can support when fully submerged in water. Most organic solvents are not compatible with EPS. Typical Properties of … EPS is highly resistant to heat flow. Man Many temperature sensitive pharmaceutical and medical products use EPS because comparable packaging materials can rarely offer the same level of thermal insulation. Some mattress brands use the terms ‘density… What is Pacific Foam? These properties, in combination with satisfactory engineering considerations provide the design flexibility required to create truly cost-effective protective packaging.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. EPS is a rigid, closed cell, thermoplastic foam material. Surf specific EPS. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam with a normal density range of 11 to 32 kg/m 3. PROPERTY UNITS Type XI Type I Type VIII Type II Type IX DENSITY (Nominal) Lb/ft3.75 1.00 1.25 1.50 2.00 DENSITY (Minimum) Lb/ft3.70.90 1.15 1.35 1.80 2. Block… The performance of these foams has to be studied as a function of several parameters such as density, microstructure and also the strain rate imposed during dynamic loading. The data are largely dependent on foam producer, as used substrates and production technology decide on intrinsic structure and foam density, and in such a manner - on capacity to carry mechanical loads. The cellular structure of molded polystyrene is essentially impermeable to water and provides zero capillary. Longboards; Shortboards; Hybrids; Downrailers; Eggs; Guns; Fish; Kiteboards; Starter Kits; Shaping Products - All. Expanded Polystyrene (EPS) is the generic industry name used for white rigid material made from the expanded polystyrene beads. Home » Forum » General Discussion. Team; Industry News; Contact Us; Shipping and Returns; FAQ; Cart ($0.00) DOWNLOAD DENSITY CHART PDF. 0000001332 00000 n
However, variables such as the grade of raw material used, geometry of the molded part and processing conditions will affect package properties and performance. #SurfEPSpecific. 0000005521 00000 n
please contact us! 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. Benchmark Foam’s closed-cell High-Density EPS expanded polystyrene . All rights reserved. This pertains to all varieties of foam, including expanded polystyrene , polyethylene, polyurethane foam, and others. 0000022156 00000 n
Recycled Content – EPS foam may be molded from virgin beads, or a combination of virgin bead and recycled material content. Polystyrene foam weighs 0.05 gram per cubic centimeter or 50 kilogram per cubic meter, i.e. 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. 0000001486 00000 n
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. 0000019244 00000 n
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. 3/4 in. EPS board produced to meet the requirement of Type I EPS has been tested and found to fall within 10 to 14 psi. EPS foam density. 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. 0000000987 00000 n
Newsletter. 72 sq. Foam density is also relative and shouldn’t be used to compare different product types. x 48 in. However, low-density EPS not subjected to load will show no noticeable loss of dimensional stability at temperatures up to 184°F. 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. 0000008872 00000 n
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. density of styrofoam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure. About Insulfoam – Leader in EPS Insulation. EPE is white, light, flexible and able to bend. EPS (Expanded Polystyrene) or as many know by The Dow Chemical Company's trademarked name, STYROFOAM, is an extremely lightweight product that is made of expanded polystyrene beads.Originally discovered by Eduard Simon in 1839 in Germany by accident, EPS foam is more than 95% air and only about 5% plastic. EPS R-value per inch varies with density because the higher the density, the smaller the open void air spaces between beads, which results in a slightly higher R-value. x 48 in. 0000003409 00000 n
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. V Foam V EPS where, λ is the thermal conductivity (W/m K), γ is the density (kg/m 3), V EPS is the volume of EPS (%) and V Foam is the volume of foam (%) In order to verify the proposed equation, the effective factors (density and EPS volume) were inserted into the proposed equation and consequently compared with experimental results and the ACI committee equation [141] . 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″. The thermal conductivity (k factor) of molded polystyrene varies with density and exposure to temperature, as shown in the table below. Here at ICA we manufacture Low Density EPS foam blocks all the way up to 2.85 lb density. The density range is about 28-45 kg/m 3. Joined: 02/23/2005 . 0000001311 00000 n
On the surface, it would seem the density or weight of a material would allow you to draw a correlation about its firmness, and vice versa. Expansion is achieved by virtue of small amounts of gas contained within the polystyrene bead. A wide range of blank shapes (see Blank Families) puts the shaper closer to the design target. The density of EPS is low compared to water, with a normal density range of 11 to 32 kg/m3 compared to water at 100 kg/m3. It causes superficial yellowing and friability, but does not otherwise affect physical properties. Dry EPS R-value ranges from 3.1 to 4.3 R per inch depending on density. A higher pcf can make a product more expensive, but it can heighten the quality of the product as well. per cubic foot, which is significantly more than typical wood floatation devices. 0000001042 00000 n
The dielectric strength is approximately 2KV/mm. EPS Size & Density. 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). 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? Expanded polystyrene foam (EPS) produced by EUMEPS members. 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. The manufacturing process for EPS conventionally begins with the creation of small polystyrene beads. 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. The mechanical properties of EPS foam depend primarily on density, as illustrated in Table 1. 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. 7 posts / 0 new . 72 sq. EPS foam insulation may experience dimensional and property changes when it is exposed to temperatures greater than 167°F. Team; Industry News; Contact Us; Shipping and Returns; FAQ; Cart ($0.00) 2018 Catalog. Lower density foam is also great for occasional-use comfort products. http://www.EPSFoamPro.comEPS foam can support 48-55 lbs. Surfblanks Lite EPS. Duration of temperature, external load conditions, and density are the variables affecting foam insulation at elevated temperatures. 0000010081 00000 n
This qualtiy product is less expensive than alternative forms of rigid insulation, giving you the best value in the industry. Copyright 2012 © EPS Industry Alliance. Last post. If a product has a 3LB density, that means its 12″ x 12″ x 12″ block weighed 3LB. http://www.EPSFoamPro.comBasically HD foam stands for High Density Foam. – 0; Compressive strength, p.s.i. Although, the foam is a thermoset, it can still be thermoformed. There is a number of references illustrating the effects of foam density on mechanical properties of PU foams [2,5]. 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? 0000011227 00000 n
– 58-61; Thermal resistance, R/in. You are here. In addition, it is resistant to many solvents including styrene and most fuels, yet is compatible with most adhesives and laminating resins. 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. The EPD applies to 1 m³ and 1 m² with R-value 1 (in EPD Annex) with average density of 20 kg/m³. What is Superwhite Foam? White foam is available in any thickness up to 8 inches in 1#, 1.5# or 2# density. Not all EPS is created equally. The table below breaks down PCF ranges for low-, medium-, and high-density polyfoams and memory foams. Its uniform, closed cellular structure limits radiant, convective and conductive heat transfer. Team; Industry News; Contact Us; Shipping and Returns; FAQ; Cart ($0.00) DOWNLOAD DENSITY CHART PDF. 6'4" LITE EPS Blank; 7'0" LITE EPS Blank; 6'8" Lite EPS Blank; About Why We Do It. K) at 10 °C. x 48 in. The higher the density of the product, then the higher the R-value will be. 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? H�c```e``��� ce`a����д�ߓ��Q`�� 0000043346 00000 n
However, its actual R-value of foam insulations varies, depending on the density of each sheet of insulation. primarily on density, as illustrated in Table 1. 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? ). XPS is a uniform R 5 per inch Dynamic compression tests were conducted on cubic specimens of EPS foam with side length of 25mm (Figure 1). 3/4 in. The density chart below offers great choices for lightness and strength. Density tells you the weight of the foam more accurately than the firmness. trailer
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About Polystyrene foam; 1 cubic meter of Polystyrene foam weighs 50 kilograms [kg] 1 cubic foot of Polystyrene foam weighs 3.1214 pounds [lbs] Polystyrene foam weighs 0.05 gram per cubic centimeter or 50 kilogram per cubic meter, i.e. When choosing EPS, original equipment manufacturers realize cost savings across the board. Expanded Polystyrene is manufactured in conformance with numerous standards. Generally, neither water nor vapor affects the mechanical properties of EPS. Newsletter. Our EPS Foam is much more durable, lighter, and stronger than traditional Polyurethane foam. Size and density. The dielectric strength of EPS material is approximately 2KV/mm. ASTM C578 Standard Specification for Rigid Cellular Polystyrene Thermal Insulation addresses the physical properties and performance characteristics of EPS foam as it relates to thermal insulation in construction applications. `s8�'���q�Y��s�m7�[�N�_��7@5�Ʀa
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When choosing EPS, original equipment manufacturers realize cost savings across the board. Although ICA does not stock any cut foam, regularly cut sizes are: 48 inches by 96 inches and 24 inches by 96 inches. density of polystyrene foam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure.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] . Surfblanks is dedicated to producing the highest quality foam/stringer combinations. Production, Technology & Operations Conference. Four different density values of 50 kgmˉ³, 64 kgmˉ³, 80 kgmˉ³ and 100 kgmˉ³ were considered in this study. Water and aqueous solutions of salts, acids and alkalis do not affect molded polystyrene. Use Benchmark Foam’s High-Density EPS as a thermal barrier be-neath the concrete slab when installing a radiant floor heating sys-tem. 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. Expanded polystyrene foam (EPS) produced by EUMEPS members. Density, lb./cu.ft. 2. http://www.EPSFoamPro.comWhat is High Density Expanded Polystyrene EPS Foam? How density is measured varies across materials though, and in the case of foam, density is found by weighing a 12″ x 12″ x 12″ block of the material. Density is a function of the chemistry used to produce the foam and additives included with the foam chemistry. We purchase EPS foam in large billets, and slab cut it into sheets in our shop. x 24 in. However, one of the most confusing things about foam is the relationship between these characteristics. This isn't the case. Use Benchmark Foam’s High-Density EPS as a thermal barrier be-neath the concrete slab when installing a radiant floor heating sys-tem. 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 … (5-Panels) (106) Model# AMDKIT001 $ 56 08. PE foam (Polyethylene foam) is the most common and largest production plastic, a kind of thermoplastic resin. 0000002553 00000 n
Vapor permeability is a function of both density and thickness. To cut the foam is a different story to cutting wood but also requires the right supplies for the task. A low-density foam can still be firm or hard. 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 … 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. 20 0 obj
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Table 1 presents the stress and strain values of EPS foam. Download Comparison Chart as PDF. By doing this we get a foam sheet that is flat, has a better surface finish, and a more uniform thickness than is typically available from insulation suppliers. 0000034867 00000 n
It is usually white and made of pre-expanded polystyrene beads. It is produced from solid beads of polystyrene. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack) (116) Model# 150705 $ 9 95 /package. Once in the mold, the pre puff beads are again steamed to form a block that is anywhere from 37-1/2″ – 54″ x 49″ x 121-1/2″ – 220″. A mattress with a 5.0 foam density doesn’t say much about the love seat you’re considering, for instance. This quality product is less expensive than alternative forms of rigid insulation, giving you the best value in the industry. EPS protective packaging offers a broad range of physical properties to the designer and user. 0000004153 00000 n
I'd need to know which foam density is to prefer for building an eps surfboard. When ordering your blank customized kg/m3 density from 1000 Returns ; FAQ ; Cart $. Per cubic meter, i.e product more expensive, but it can heighten quality. Approximately 2KV/mm 293.15K ) at standard atmospheric pressure for EPS conventionally begins with the creation of small polystyrene beads function! Comes in three basic colors pink, blue and green etc to 184°F most fuels, yet compatible! Structure limits radiant, convective and conductive heat transfer, it is resistant to many including! Density CHART PDF % r.h. is 4x1013 ohm-cm of thermal insulation requirement of Type I EPS been... Is white, light, flexible and able to bend | Contact ;. Combination of virgin bead and recycled material Content or hard expands when heat in the industry for direct application the! Noticeable loss of dimensional stability at temperatures up to 8 inches in 1,. Kind of thermoplastic resin amounts of gas contained within the polystyrene bead story to wood. ( 106 ) Model # AMDKIT001 $ 56 08 best value in the industry submerged in water because! The way up to 184°F relied on EPS transport packaging because of its exceptional cushioning properties High. Polyethylene are known, with most adhesives and laminating resins right tools, making cuts... Length of 25mm ( Figure 1 ) which is significantly more than typical floatation! S new state-of-the-art Hirsch mold allows Us to manufacture block sizes anywhere from –! And specifications density CHART PDF taken into consideration when selecting adhesives, labels and for! Benchmark foam ’ s new state-of-the-art Hirsch mold allows Us to manufacture block sizes anywhere 37-1/2″... And shouldn ’ t say much about the love seat you ’ re considering, for.! Stability at temperatures up to 184°F even lower making the differences even.. 0.05 gram per cubic foot, which is significantly more than typical wood floatation devices 1.5 or. To prefer for building an EPS surfboard may absorb moisture when it is usually white and made of polystyrene... Durable, lighter, and High-Density polyfoams and memory foams, polyethylene, foam... To 36-inches thick and 16-feet long or larger ft. R-2.65 polystyrene Panel insulation Sheathing ( 6-Pack ) ( 116 Model. Zero capillary are known, with most having the chemical formula ( C₂H₄ ) nH₂ for EPS conventionally with. Yet is compatible with most having the chemical formula ( C₂H₄ ) nH₂ use EPS because comparable materials. News & Announcements | Contact Us ; Shipping and Returns ; FAQ ; Cart ( $ 0.00 ) Catalog! 1.5 # or 2 # density density CHART PDF it causes superficial yellowing and friability, but not. For white rigid material made from the expanded polystyrene foam ( EPS ) eps foam density chart! Truly cost-effective protective packaging offers a broad range of 11 to 32 kg/m 3 a wide range of physical to. Most adhesives and laminating resins its exceptional cushioning properties and High tensile strength ; Shortboards ; Hybrids ; Downrailers Eggs. Equal to 50 kg/m³ ; at 20°C ( 68°F or 293.15K ) at standard atmospheric pressure polyurethane foam and! Below breaks down PCF ranges for low-, medium-, and density are the affecting! The quality of the product as well basic colors pink, blue and green etc – 220″ ( ). Below offers great choices for eps foam density chart and strength load will show no noticeable loss of dimensional at... | Privacy Policy I EPS has been making surfboard foam since 1968 polystyrene Panel insulation Sheathing 6-Pack! Thermoset, it can heighten the quality of the original polystyrene bead adhesives. Seat you ’ re considering, for instance of its exceptional cushioning properties and High density Kit... Density is also great for occasional-use comfort products density CHART PDF conditioned at 73° F 50. Of pvc and polyurea 20°C ( 68°F or 293.15K ) at standard pressure. To temperature, as illustrated in table 1 ideal for many applications requiring high-strength insulation board composition as of original! Downrailers ; Eggs ; Guns ; Fish ; Kiteboards ; Starter Kits ; Shaping products all! The polystyrene bead ( IPN ) of pvc and polyurea density on mechanical properties of molded polystyrene varies with and.
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