Material safety data sheet high density polyethylene hdpe. Pet is a clear, strong, and lightweight plastic that is widely used for packaging foods and beverages, especially conveniencesized soft drinks, juices and water. Polyethylene terephthalate sometimes written poly ethylene terephthalate, commonly abbreviated pet, pete, or the obsolete petp or petp, is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, thermoforming for manufacturing, and in combination with glass. Thermoforming petg does not require drying prior to forming and has rapid thermoforming cycle times. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical. The physical properties and chemical properties of matter chemistry. Contact romacs engineering department at 18004269341 if you have questions about the use of our products on hdpe pipe. Pdf polyethylene maufacturing and its properties abdul.
Its crystallinity varies from amorphous to fairly high crystalline. Introduction often materials are subject to forces loads when they are used. However, it sometimes happens that, locally, over short chain segments, pvc is syndiotactic and can assume the crystalline phase, but the percent shear fracture never exceeds 10 to 15 %. Polyethylene terephthalate pet or pete is a generalpurpose thermoplastic polymer which belongs to the polyester family of polymers.
Polyesters also offer low moisture absorption and have good flow properties. Mdi improves compatibility between pet and pc in pet pcppepdm ternary blends. Physicalthermal properties mylar polyester film retains good physical properties over a wide temperature range 70 to 150c 94 to 302f, and it is also used at temperatures from 250 to 200c 418 to 392f when the physical requirements are not as demanding. Polyester resins combine excellent mechanical, electrical and thermal properties with very good chemical resistance and dimensional stability. Impact resistance petg is less brittle than acrylic, and is a lower cost alternative to polycarbonate. This monograph is intended to give the salient facts about pet as a food packaging material. Polybutylene terephthalate pbt properties and applications. Concretes consisting of portland cement opc, silica sand, gravel, water, and recycled pet particles were developed. This property data is a summary of similar materials in the matweb database for the category polyethylene terephthalate pet, unreinforced.
Pet is used in the packaging sector in the form of films, trays or bottles. What is the built up area requirement and cost for setting up a pet preform from pet resin business. Thermal and mechanical properties of recycled pet and its blends parthasarathy pattabiraman, dr. Pvc is an atactic polymer and therefore essentially uncrystallized. Mechanical engineers calculate those forces and material scientists how materials deform elongate, compress, twist or break as a function of applied load, time. Pet polyethylene terephthalate, semicrystalline is a strong, stiff engineering plastic with excellent machining characteristics, chemical resistance, and bearing and wear properties. An introduction to pet polyethylene terephthalatepet also abbreviated pete is short for polyethylene terephthalate, the chemical name for polyester. Typical properties only, not minimum or actual values. Pet pete is a thermoplastic polymer and has good physical properties of strength, ductility, stiffness and hardness.
Chapter 6 mechanical properties university of tennessee. Addition of mdi leads to higher values of the dynamic shear modulus for pet high elastic state in the. Uv properties of plastics lawrence berkeley national. This page displays only the text of a material data sheet. May 26, 2003 polybutylene terephthalate pbt is a semicrystalline, white or offwhite polyester similar in both composition and properties to polyethylene terephthalate pet. And unfilled peek is approved by the fda for food contact applications since 1998. The compressive strength, compressive strain at yield point, and young modulus were determined. What polymer is the most suitable for this type of packaging. Specimens without pet particles were prepared for comparison. Click here to view some of the graphs of physical properties of the arnitetm range of engineering polyesters or click here to gain access to the dsm website in which you can download a pdf based brochure of the range of pbt and pet materials. Ensure adequate ventilation, especially in confined areas. Pet is a clear, strong, and lightweight plastic that is widely used for packaging.
It does not deform lose its shape, at the temperatures reached by its contents in microwaves domestic ovens. Mechanical properties of materials david roylance 2008. It is supplied in a range of colours and in transparent form. Low density polyethylene has less stiffness than the high density type. Material creates dangerous slipping hazard on hard surfaces. Jun 25, 2003 polyethylene terephthalate polyester petp is a hard, stiff, strong, dimensionally stable material that absorbs very little water. The properties of pet include three common variations.
Select the right material for your application by using our sortable material data sheets. Changes in the properties of matter physical and chemical. Structural features and relaxation properties of petpc blends containing impact strength modifier and chain. For each property being compared, the top bar is pc and the bottom bar is pet. Contact romacs engineering department at 18004269341 if you have questions about the. Physical and chemical properties of waste from pet. An introduction to pet pet also abbreviated pete is short for. It has good gas barrier properties and good chemical resistance except to alkalis which hydrolyse it. The wet process can be conveniently used for plastics such as. What are the projected balance sheets of a pet preform from pet resin plant.
Hardness is proportional to the tensile strengthbut. There are 10 material properties with values for both materials. To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. Professional plastics cannot guarantee any material for your particular application. As might be expected, this higher crystallinity permits use at temperatures up to c degrees with somewhat better creep resistance below that temperature. Prof edward kosior, visy industries, melbourne, australia abstract this paper discusses the thermal and mechanical properties of virgin pet. Material safety data sheet high density polyethylene. Overview of materials for polyethylene terephthalate pet matweb. Chapter 3 material properties 45 an additional objective of this chapter is the presentation of values for the major properties that are used for material classification and piping design, and a brief description of the methods based on which these properties are determined. Thermal and mechanical properties of recycled pet and its blends. Properties of hdpe pipe limitations of romac products for use on hdpe pipe romac cannot warrant products used in applications that are outside one or more of these limitations. Because of pets unique properties, it is rapidly becoming the worlds preferred. It is the customers sole responsibility to test materials to determine their suitability in their particular.
Curing times, pet particle sizes, and aggregate concentrations were varied. Due to its low weight and easy processing, trocraft eco is perfect for interior design, model making or product and industrial design. Structural features and relaxation properties of petpc. Some mechanical and thermal properties of pcabs blends. For hostile environments, peek is a high strength alternative to fluoropolymers. Properties and applications of ldpe or low density polyethylene. Thermal and mechanical properties of recycled pet and its. Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymerization polycondensation 1 figure 1.
Polyethylene terephthalate, also known as pet or pete. Any final design should be based on manufacturers or suppliers data for the material in question, and not on the data given here. Engineering polyesters are engineering thermoplastics based on pbt polybutylene terephthalate and pet polyethylene terephthalate. We continually strive to deliver online tools and technologies that enable our customers to make the best use of matwebs materials data. Since 1996 matweb has been your premier source for free online material property data. An introduction to pet polyethylene terephthalate pet also abbreviated pete is short for polyethylene terephthalate, the chemical name for polyester.
The information and recommendations in this website are accurate and reliable to the best of our knowledge, however users should perform their own tests to determine the suitability of these products for their own particular purposes. The facts about pet european federation of bottled waters. Physical properties pet pete is a thermoplastic polymer and has good physical properties of strength, ductility, stiffness and hardness. Some swelling and a small reduction in mechanical likely. With such excellent material properties, pet is widely used today as a packaging. Meltprocessable fep is also used as a protective coating on uv lamps for electronic fly killers, where the coating allows for excellent transmission only around 4% loss for a 0. For more specific values, follow the links immediately below. Trocraft eco is an environmentallyfriendly material made from pure wood fiber. Pet after stretching still has properties of having a proper orientation, high stiffness, creep resistance, clarity, water vapor barrier, chemical and impact resistance. Pdf properties of waste polyethylene terephthalate pet.
Other applications include food trays for oven use, roasting bags, audiovideo tapes as well as mechanical components. Plastics material data sheets sortable compare materials. Study the picture of the fruit packaging and microwavable meal tray. Printer friendly version pdf download download as pdf. Pdf the main objective of this study was to investigate the potential utilization of polyethylene terephthalate pet waste in cementitious matrix, as. What are the requirement of utilities and overheads for setting up a pet preform from pet resin plant. Polyethylene terephthalate polyester petp is a hard, stiff, strong, dimensionally stable material that absorbs very little water. Polyethylene terephthalate sometimes written poly ethylene terephthalate, commonly abbreviated pet, pete, or the obsolete petp or pet p, is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, thermoforming for manufacturing, and in combination with glass. Therefore, it is utilized in bottles for mineral water. Peek carries a v0 flammability rating and exhibits very low smoke and toxic gas emission when exposed to flame. Properties with values for just one material, in this case are not shown. Specific modulus cntex 700 800 specific tenacity cntex 36 70 80 density g. Trocraft eco is made from pure cellulose fiber, produced without additives, is fully biodegradable and is also emissionsfree.
File hard introduction to materials science, chapter 6, mechanical properties of metals university of tennessee, dept. Some physical and thermal properties of mylar are summarized. Variations may occur as far as cases and technical parts are concerned. There is no ul file number available for ertalyte stock shapes. Morphological and material properties of polyethyleneterephthalate. Pet is a clear, strong, and lightweight plastic that is widely used for packaging foods and beverages, especially conveniencesized. Polyvinyl chloride pvc physical and mechanical properties. It describes the properties of pet with respect to its effects on the. Mechanical properties and performance of materials samples of engineering materials are subjected to a wide variety of mechanical tests to measure their strength, elastic constants, and other material properties as well as their performance under a variety of actual use conditions and environments. Effects on mechanical properties of recycled pet in cement. Polyethylene terephthalate, polyethylene terephthalate shows high tensile and mechanical strength, hardness and toughness, low friction and a high dimensional stability. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical resistance as well as dimensional stability.
Igor sbarski, prof tom spurling, iris, swinburne university of technology, melbourne, australia adj. The graph bars on the material properties cards further below compare pet to. Many material properties can be determined from the results of a tensile test once the graph of force against displacement has been converted with equations1. Properties of waste polyethylene terephthalate pet periodica. Typically, the highdensity material is more linear and consequently more crystalline. Pet for schools exam report march 2009 pdf, 178 kb pet for schools exam report march 2010 pdf, 118 kb preliminary for schools exam report 2011 pdf, 167 kb example lessons plans from resources section. Physical and chemical properties of waste from pet bottles. Properties and applications of ldpe or low density. Material pet polyethylene terephthalate pet has good barrier properties against oxygen and carbon dioxide. Pet for schools speaking test preparation pack candidate visuals worksheet 4 pdf, 493 kb exam reports. It has somewhat lower strength and stiffness than polyethylene terephthalate, pet, is a little softer but has higher impact strength and very similar chemical resistance.
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