While molded polystyrene is nearly impermeable to liquid water, it is moderately permeable to vapors under pressure differentials. 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. Duration of temperature, external load conditions, and density are the variables affecting foam insulation at elevated temperatures. Newsletter. Expanded polystyrene foam (EPS) produced by EUMEPS members. 0000004153 00000 n 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. 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? Density tells you the weight of the foam more accurately than the firmness. 0000001332 00000 n EPS foam density. Molded EPS can be treated with anti-static agents to comply with electronic industry and military packaging specifications. 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? In addition our EPS blanks are manufactured with up to 10% recycled content and stronger boards stay out of landfills making EPS/epoxy construction the most environmentally sound choice for surfboards. 0000022156 00000 n 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. EPS Size & Density. What is Pacific Foam? XPS is another form of a foam which offers improved surface roughness and higher stiffness with reduced thermal conductivity. 0000002553 00000 n – 2; Electrical Properties. When choosing EPS, original equipment manufacturers realize cost savings across the board. To cut the foam is a different story to cutting wood but also requires the right supplies for the task. However, low-density EPS not subjected to load will show no noticeable loss of dimensional stability at temperatures up to 184°F. 3/4 in. 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. x 48 in. SilveRboard 0.625 in. Team; Industry News; Contact Us; Shipping and Returns; FAQ; Cart ($0.00) 2018 Catalog. About Insulfoam – Leader in EPS Insulation. 0000010081 00000 n In general, this is often true, but when appl… Some mattress brands use the terms ‘density… Download Comparison Chart as PDF. Many temperature sensitive pharmaceutical and medical products use EPS because comparable packaging materials can rarely offer the same level of thermal insulation. 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. density of styrofoam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure. EPS comes in three basic colors pink, blue and green etc. 0000015378 00000 n The EPS foam is delivered by truckload and provided based on the client’s provided takeoff and specifications. However, EPS may absorb moisture when it is completely immersed due to its fine interstitial channels within the bead-like structure. Newsletter. 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. 0000001737 00000 n 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]. 0000009281 00000 n 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. Type-I products typically offer about R-3.9 per 25 mm or R-7.8 at 50 mm (2 in. However, one of the most confusing things about foam is the relationship between these characteristics. %PDF-1.2 %���� Strongly relied upon in the food distribution industry, EPS is ideal for long distance shipment of perishable foods. A common misunderstanding is that the density of foam – in a mattress or pillow for example – determines its firmness. Surfblanks Australia has been making surfboard foam since 1968. ). Insulfoam EPS Rigid Foam Insulation. 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 interaction of these polymers gives the foam its unique characteristics. 50% r.h. is 4x1013 ohm-cm. PE foam (Polyethylene foam) is the most common and largest production plastic, a kind of thermoplastic resin. 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. Firstly, EPS is an ultra lightweight material that has a density of approximately 1/100th of other conventional fill materials (see Table 1). XPS is a uniform R 5 per inch White foam is available in any thickness up to 8 inches in 1#, 1.5# or 2# density. (5-Panels) (106) Model# AMDKIT001 $ 56 08. Although, the foam is a thermoset, it can still be thermoformed. 0000011227 00000 n The cellular structure of molded polystyrene is essentially impermeable to water and provides zero capillary. 72 sq. please contact us! 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. Water and aqueous solutions of salts, acids and alkalis do not affect molded polystyrene. Your shaping effort and dust is reduced by more than 1/2 when ordering your blank customized. Millions of manufacturers over the past 40 years have relied on EPS transport packaging because of its exceptional cushioning properties and high tensile strength. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam with a normal density range of 11 to 32 kg/m 3. The mechanical properties of molded EPS depend largely on density. Joined: 02/23/2005 . 0000005696 00000 n http://www.EPSFoamPro.comBasically HD foam stands for High Density Foam. The EPS foam is delivered by truckload and provided based on the client’s provided takeoff and specifications. These properties, in combination with satisfactory engineering considerations provide the design flexibility required to create truly cost-effective protective packaging. 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 dielectric strength of EPS material is approximately 2KV/mm. It is produced from solid beads of polystyrene. 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. Expanded Polystyrene (EPS) is the generic industry name used for white rigid material made from the expanded polystyrene beads. 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″. Most organic solvents are not compatible with EPS. Picture a styrofoam cup for example. Block… Although ICA does not stock any cut foam, regularly cut sizes are: 48 inches by 96 inches and 24 inches by 96 inches. 0000004671 00000 n 0000031203 00000 n Surfblanks Lite EPS. All substances of unknown composition should be tested for compatibility. They are low density, medium density and high density polyethylene. Thu, 2006-03-09 16:35 #1. geef. x 24 in. – 0; Compressive strength, p.s.i. The data on fatigue properties of PU foams are generally lacking. The manufacturing process for EPS conventionally begins with the creation of small polystyrene beads. Four different density values of 50 kgmˉ³, 64 kgmˉ³, 80 kgmˉ³ and 100 kgmˉ³ were considered in this study. 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] . The dielectric strength is approximately 2KV/mm. –31-37; Tensile strength, p.s.i. What is Pacific Foam? New Superstrong Superwhite. The table below breaks down PCF ranges for low-, medium-, and high-density polyfoams and memory foams. 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″. 0000005521 00000 n Longboards; Shortboards; Hybrids; Downrailers; Eggs; Guns; Fish; Kiteboards; Starter Kits; Shaping Products - All. Some mattress brands use the terms ‘density… The gas expands when heat in the form of steam is applied, thus forming closed cells of EPS. 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? per cubic foot, which is significantly more than typical wood floatation devices. 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. Many kinds of polyethylene are known, with most having the chemical formula (C₂H₄)nH₂. H��W�r�8��^��L�4�;7/�I��IM�. Copyright 2012 © EPS Industry Alliance. Type-I products typically offer about R-3.9 per 25 mm or R-7.8 at 50 mm (2 in. 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. It has almost same kind of chemical composition as of the EPS but produced with a different kind of technology. SilveRboard 0.625 in. EPS board produced to meet the requirement of Type I EPS has been tested and found to fall within 10 to 14 psi. Surfblanks is dedicated to producing the highest quality foam/stringer combinations. 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. Lower density foam is also great for occasional-use comfort products. 0000019244 00000 n primarily on density, as illustrated in Table 1. Use Benchmark Foam’s High-Density EPS as a thermal barrier be-neath the concrete slab when installing a radiant floor heating sys-tem. 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. This pertains to all varieties of foam, including expanded polystyrene , polyethylene, polyurethane foam, and others. EPS. 0000025594 00000 n Home » Forum » General Discussion. x 24 in. A low-density foam can still be firm or hard. The density chart below offers great choices for lightness and strength. Here at ICA we manufacture Low Density EPS foam blocks all the way up to 2.85 lb density. We purchase EPS foam in large billets, and slab cut it into sheets in our shop. The EPD applies to 1 m³ and 1 m² with R-value 1 (in EPD Annex) with average density of 15 kg/m³. PVC foam is technically an Interpenetrating Polymer Network (IPN) of PVC and polyurea. PE is odorless, tasteless, and generally harmless. Intro to Surfboard Foam; Intro to Stringers; Blanks Catalogue 2020; Quick Ref Blanks Chart; Foam Density Chart; So what is Superwhite Foam? K) at 10 °C. 0000019307 00000 n If a product has a 3LB density, that means its 12″ x 12″ x 12″ block weighed 3LB. All rights reserved. How to Order Blanks: 1. Home  |  News & Announcements  |  Contact Us  |  Related Links  |  Privacy Policy. 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. Styrene Products, Inc. expanded polystyrene (EPS) rigid board foam plastic is for all types of industrial, packaging, and con-struction uses. 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