Heikens laboratory of polymer technology, eindhoven university of technology, po box 5, eindhoven, the netherlands received 11 march 1973. Vapor barriers although eps provides a high level of moisture resistance and breathabili,tyrecommended design practices. Use of expanded polystyrene technology and materials recycling for building construction in kenya. Sep 09, 2009 you dont say whether you want expaned polystyrene foam or extuded polystrene foam i presume you do want foam though, right. Jun 25, 2003 polystyrene homopolymer is an amorphous thermoplastic that is rigid, brittle and relatively hard. Surface modification of polystyrene and polyethylene. The media centre provides up to date information about epsa activities and eps industry news. Ps is made by the polymerization of styrene which is a kind of building block material used to produce a variety of plastic products. Mechanical properties of polystyrene low density polyethylene blends w. The great importance of eps recovery is related to the materials short service life and the high volume of. Dynamic compressive strength and crushing properties of. Styrene is polymerized by using free radical initiators primarily in bulk and suspension processes, although solution and emulsion methods are also employed. Expanded polystyrene physical properties expanded polystyrene has a flame spread index of 20 and a smoke developed index of 150300 when tested in accordance with astm e84ul 723 for densities from 0.
Polystyrene also is made into a foam material, called expanded polystyrene eps or extruded polystyrene xps, which is valued for its insulating and cushioning properties. Light weight eps is an extremely lightweight material. It has high hardness and good dielectric properties. From being used as building materials to white foam packaging, expanded polystyrene has a wide range of enduse applications. Compressive properties of graphiteembedded expanded. Polystyrene article about polystyrene by the free dictionary. For more specific values, follow the links immediately below. Eps has been a material of choice for over half a century because of its technical versatility, performance and cost effectiveness. Originally discovered by eduard simon in 1839 in germany by accident, eps foam is more than 95% air and only about 5% plastic. Now that we have seen the structure of polystyrene, let us delve a little deeper into its properties. The eps is soluble in the plasticiser, so a sticky film develops on the outside of the cable sheathing, and the cable eats into the polystyrene.
Download the datasheet on expanded polystyrene in pdf format. Production of eps expanded polystyrene eps market to reach usd 23. Properties, performance and design fundamentals of expanded polystyrene packaging expanded polystyrene expanded polystyrene eps is a generic term for polystyrene and styrene copolymers that are expanded into a variety of useful products. Here you can find press releases, the latest epsa newsletter, articles about eps in the news and also access downloadable eps related information from around the globe.
Datasheet for typical physical properties of expanded polystyrene eps or styrofoam from universal foam products. Thailand polystyrene, thailand polystyrene manufacturers and. Alternative building material expanded polystyrene. Media in category expanded polystyrene the following 102 files are in this category, out of 102 total. When left in contact with expanded polystyrene eps, the plasticiser slowly migrates out of the pvc into the polystyrene. Specifying polystyrene astm international product standard provides guidance by mark s. Eps foam is actually a closedcell extruded polystyrene foam. It is a closed cell, rigid foam material produced from. All you wanted to know about the amazing properties of. Insulation board shall be free of surface projects or wire marks in excess of 1. Graham specifying and purchasing polystyrene thermal insulation can be complicated because there are multiple product types with distinctive physical properties. Expanded polystyrene environmental benefits resource efficient expanded polystyrene eps manufacturing uses little energy, in which steam is a component of the manufacturing process.
The eps foam have properties that depend on both topology and material 20. Versatility eps can be manufactured to almost any shape or size, or it can be easily cut and shaped when required to suit any application. Read online expanded polystyrene packaging environmental profile analysis book pdf free download link book now. The expanded type is often used as packing material, so for free stuff you could go to places where larger items are received stores, etc.
A comparison of expanded polystyrene eps and extruded polystyrene insulation xps. We provide our clients with customized polystyrene foam materials including expanded and extruded polystyrene products. Eps is generally white and made of pre expanded polystyrene beads. Expanded polystyrene stock photos download 848 royalty free. Overview of materials for expanded polystyrene eps, this property data is a summary of similar materials in the matweb database for the category expanded polystyrene eps. High impact polystyrene is a promising material for mechanical recycling since its properties are not extremely affected even after multiple processing of upto nine. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Expanded polystyrene eps refers to a rigid, tough and lightweight thermoplastic product. It works to provide authoritative, reliable information and independent facts about the performance of the material. This is a 300 x 300 polystyrene parapet fixed on a storey building, it is a matter of choice for clients so have you doing renovations or have already roofed your building and want to put a roof parapet, this is till possible just let us know. Typical properties of expanded polystyrene michigan foam. In this paper, the evaluation of the mechanical and hygrothermal properties of expanded polystyrene sanded lightweight concrete epslc was examined.
Thailand polystyrene, thailand polystyrene suppliers and manufacturers directory source a large selection of polystyrene products at foam board polystyrene,polystyrene sheets,polystyrene eps raw material from thailand. Mechanical properties of expanded polystyrene lightweight. Physical properties of expanded polystyrene astm c578 property type xi type i type viii type ii type ix type xiv type xv nominal density lbft. Expanded polystyrene eps data sheet typical physical properties of expanded polystyrene. Expanded polystyrene eps is a commonly used polymer in the packaging industry. Generalpurpose polystyrene is clear, hard, and rather brittle. Expanded polystyrene eps and the environmentpage 4 applications and properties of eps the range of applications for expanded polystyrene is very wide.
Polystyrene is an inexpensive, largetonnage thermoplastic resin. In the house, you can tell us about your experience using polystyrene as a building material either as roof parapet, or fill in for concrete, etc. The integration of graphite flakes into the polystyrene matrix further improves the thermal insulation, where graphite particles reflect and absorb radiant energy, decreasing the materials thermal conductivity. It is widely used in many everyday applications where its light weight, strength, durability, thermal insulation and shock absorption characteristics provide economic, high performance products. Expanded polystyrene eps foam is widely used for thermal insulation in building construction. It is primarily used for packaging, insulation etc. Polystyrene, polyethenylbenzene, lustrex, styron, vestyron, styrofoam.
We are going to focus on these applications by putting them into three main categories and underline the properties that make eps ideal for each one. Polystyrene ps is a seenthetic aromatic polymer made frae the monomer styrene references. Msds for eps styro expanded polystyrene manufacturing. This page shows summary ranges across both of them. All books are in clear copy here, and all files are secure so dont worry about it. Eps expanded polystyrene or as many know by the dow chemical companys trademarked name, styrofoam, is an extremely lightweight product that is made of expanded polystyrene beads. Eps is ideal for the packaging and construction industries due to its light weight, strong and excellent thermal insulation properties. Jun 18, 2015 foamex polystyrene building products make a major contribution to the quality, safety, and costeffectiveness of construction as well as contributing to the sustainability of completed projects. Styrofoam brand scoreboard extruded polystyrene foam. Properties of eps eps has been a material of choice for over half a century because of its technical versatility, performance and cost effectiveness. Evaluated are the mechanical properties in terms of density.
As we promised to bring to you, this polystyrene parapet was fixed after the roof was done. Expanded polystyrene stock photos download 848 royalty. The water from this process is collected and reused many times. Mechanical properties of expanded polystyrene lightweight aggregate concrete and. Expanded polystyrene packaging environmental profile. It is a rigid cellular plastic foam material derived from petroleum and natural gas byproducts. Properties, performance and design fundamentals of. Astm international product standard provides guidance.
Polystyrene synthesis styrene monomer polystyrene, in syndiotactic form synthesized by addition polymerization via free radical formation. The bpf eps expanded polystyrene group is a membergroup, representing 80% of the eps manufacturing industry in the uk. Polystyrene cross linked supplier data by goodfellow. Surface modification of hydrophobic polymer surface into a hydrophilic or vice versa can be achieved by wet acid, alkali, dry plasma and. Surface modification, polyethylene, polystyrene, ecr plasma introduction control of surface properties is very important for the high performance of adhesion, biomaterials and paints. The presence of the pendant phenyl c 6 h 5 groups is key to the properties of polystyrene. Properties, performance and design fundamentals of expanded. State thermal transmission properties by means of the heat flow meter apparatus styrofoam brand scoreboard extruded polystyrene foam insulation d1621 standard test method for compressive properties of rigid cellular plastics. Barrier properties of filled highimpact polystyrene. Ppt polystyrene powerpoint presentation free to view. By using this site you agree to the use of cookies. The properties of ps include two common variations.
Download 848 expanded polystyrene stock photos for free or amazingly low rates. The polystyrene foam products produced by fpc can be fabricated to meet your needs. Using the astm international standard applicable to polystyrene can provide useful guidance. Polystyrene as first described in 1839 by simon and produced on an industrial scale since about 1930 is a completely amorphous material with an atactic structure see polystyrene and styrene copolymers. It is chemically stable and soluble in aromatic and chlorinated aliphatic hydrocarbons, and it is physiologically harmless. The structure of the polymer repeating unit can be represented as. Foam polystyrene can be more than 95 percent air and is widely used to make home and appliance insulation, lightweight protective packaging. Expanded polystyrene eps is a white foam plastic material produced from solid beads of polystyrene. It is the air that provides the insulation and the job of the polystyrene is to keep the air very still so that hardly any convection occurs. Abs polymers can be given a range of properties, depending on the ratio of the monomeric constituents and the molecular level connectivity. Here we shall learn about the physical, mechanical, optical, thermal, electrical, and chemical properties of polystyrene. It is the largest commodity polymer produced in the. Or download the michigan foam products esp technical data sheet below download eps technical data sheet pdf.
Eps is supplied to molders in the form of a polystyrene bead. Bextrenex polystyrene beads, to which is added a propelling agent. Uyen phuong lam chem 12b sp 2006 professor adamczeski abstract in this powerpoint presentation i will introduce the properties of plastics. The modelling of chemictl structures with expanded polystyrene spheres. Eps stored outside should be protected with a lightcolored opaque tarpaulin.
These properties, in combination with satisfactory engineering considerations provide the design flexibility required to create truly costeffective protective packaging. Properties, performance, and applications full from nitroflare rapidgator uploaded turbobit extabit ryushare openload littlebyte zippyshare. Polystyrene foams are composed of mostly of air, making them incredibly buoyant, in addition to being lightweight. Eps foam is the correct term for any form of expanded polystyrene. Mechanical properties of polystyrenelow density polyethylene. Foamex manufactures expanded polystyrene eps and extruded polystyrene xps products for a broad range of applications such as building construction and including foam wall insulation and architectural profiles, road construction, protective packaging, cold storage and refrigeration, sign writing, displays, and decorative fixtures. Depending on your choice of thickness for expanded polystyrene, this translates to being only between 18% and 45% as effective as expanded polystyrene which has an rvalue of up to 2. Eps protective packaging offers a broad range of physical properties to the designer and user. Barrier properties of filled highimpact polystyrene zuzana dujkova, dagmar merinska, miroslav slouf, david pistek department of polymer engineering tomas bata university in zlin, the faculty of technology nam. Its unique silvergray color and exceptional insulation characteristics are a result of highpurity graphite that reflects and absorbs radiant energy, decreasing the materials thermal. Jul 30, 2018 polystyrene foams are used for a variety of applications because of its excellent set of properties including good thermal insulation, good damping properties and being extremely light weight. The graph bars on the material properties cards further below compare ps to. It has excellent gamma radiation resistance, good electrical properties, and can be radiation sterilized but has poor chemical and uv resistance.
Pdf use of expanded polystyrene technology and materials. Light weight comprised of about 98 percent air, expanded polystyrene is extremely lightweight, making it ideal for transport and installation. The synthesis of stereoregular polystyrene was only made possible by the discovery of the zieglernattatype catalysts for olefin polymerization in the early 1950s. Polystyrene structure pdf structural properties of atactic polystyrene of different. High impact polystyrene is a promising material for mechanical recycling since its properties are not extremely affected even. Bouillonlagrange did extensive research on liquid styrax in his study called on the origin and properties of liquid styrax which was delivered to the medical society of paris. Gpps manufacturing process continuous polymerization properties clear, glass like brittle.