Chemical, electrical, mechanical, physical and thermal properties are provided for. Properties pet fiber material medium high tenacity specific modulus cntex 700 800 specific tenacity cntex 36 70 80 density g. Chemical resistance petg offers superior chemical resistance when compared with many other transparent plastics. As a raw material, pet is a petroleumbased product that is globally recognized as a safe, lightweight, and flexile material that is also 100% recyclable.
Unlike other types of plastics, polyethylene terephthalate is considered safe and is represented on water bottles with the number 1, indicating it is a safe option. Tech tip petg sheet is a lower cost alternative to polycarbonate. Its maximum use temperature is typically between 115 5c 240 275f which is slightly lower than that of pet. Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymerization polycondensation 1 figure 1. Cor peters, in supercritical fluid science and technology, 20. This property data is a summary of similar materials in the matweb database for the category polyethylene terephthalate pet, unreinforced. Jun 25, 2003 polyethylene terephthalate polyester petp is a hard, stiff, strong, dimensionally stable material that absorbs very little water. Properties with values for just one material, in this case are not shown. An introduction to pet polyethylene terephthalate pet also abbreviated pete is short for polyethylene terephthalate, the chemical name for polyester. Pet plastics are some of the more commonly discussed plastics when searching for solutions for drinking water. Polyethylene terephthalate an overview sciencedirect. For hostile environments, peek is a high strength alternative to fluoropolymers.
Because of pets unique properties, it is rapidly becoming the worlds preferred packaging material for foods and beverages. It is calculated by dividing the mass of the material by the volume and is normally expressed in gcm3. Pet may be used at temperatures ranging from 20c to approximately 115c. Polyethylene terephthalate an overview sciencedirect topics.
Blends of virgin pet and recycled food grade pet were prepared in the following weight ratios. Pet is spun into fibers for permanentpress fabrics, blowmolded into disposable beverage bottles, and extruded into. Zpetg physical properties metric english comments specific gravity 1. The mechanical properties of pet fiber reinforced concrete. Find key facts about polyethylene terephthalate pet polymer. Pet is a clear, strong, and lightweight plastic that is widely used for packaging. Most consumers are familiar with pet in the containers that holds their bottled water or soft drinks. An introduction to pet polyethylene terephthalatepet also abbreviated pete is short for polyethylene terephthalate, the chemical name for polyester. Explore its key benefits, limitations, properties, toxicity, processing guidelines and applications. The wet process can be conveniently used for plastics such as. Polyethylene terephthalate p et waste as building solution. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical resistance as well as dimensional stability.
Pdf selected mechanical properties of petg 3d prints. Eastman chemical, sk chemicals selenis are some petg manufacturers. Polyethylene terephthalate pet chemical compatibility g pet exhibits good resistance to attack f pet exhibits fair resistance to attack x pet exhibits poor resistance, and should not be considered for this application. Manufacturers like it because it is strong, safe, transparent, and versatile. The article describes the influence of thee microstructure and environment conditions on the mechanical properties of pet material. Petg is a clear amorphous thermoplastic that can be injection molded, sheet extruded or extruded as filament for 3d printing. It has good gas barrier properties and good chemical resistance except to alkalis which hydrolyse it. From the macroscopic point of view mechanical properties can be described by parameters. It is important to note that density varies with temperature. Petg technical data sheet polyethylene terephthalate copolyester tensile properties astm d638 type v property imperial metric toughness3.
Material formula coefficient of thermal expansion x106 k1 heatdeflection temperature 0. Granules of three different grades of pet were supplied by leading synthetics pty. Substance physical state or concentration suitability acetic acid 110% g 1040% f 40% x acetic anhydride pure. Polyethylene terephthalate pet or pete is a generalpurpose thermoplastic polymer which belongs to the polyester family of polymers. 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. Pets major application in the packaging industry has been for plastic bottles. With such excellent material properties, pet is widely used today as a packaging. Polyethylene terephthalate petchemical compatibility g good f. Pet is polyester, which has a chemical name of polyethylene terephthalate.
The capacity of this machine is 10,000 pounds tension and compression. Pet is often used for food processing machinery applications where low moisture absorption, low thermal expansion, resistance to staining, or resistance to. Arlon 3000 xt, patented by greene tweed, is a nonfilled, crosslinked thermoplastic material that maintains all of the expected benefits of conventional peek and pek polymers while providing extended mechanical, electrical, and creep performance at high temperatures above 300 o f 150 o c. There are 10 material properties with values for both materials. Because of pets unique properties, it is rapidly becoming the worlds preferred. With such an understanding, the piping designer can use the properties of the material to.
The density of a plastic sample may change due to change in crystallinity, loss of plasticizers, absorption of solvent, etc. From the microscopic point of view, mechanical and thermal properties of pet material have the biggest influence on orientation and crystallization processes of material. Impact resistance petg is less brittle than acrylic, and is a lower cost alternative to polycarbonate. Thermoforming petg does not require drying prior to forming and has rapid thermoforming cycle times. Overview of materials for polyethylene terephthalate pet. Polyethylene terephthalate, or pet, a strong, stiff synthetic fiber and resin, and a member of the polyester family of polymers. Plastic property comparison graph plastic material. Natural petp ertalyte is also usda, 3adairy and canada ag compliant. Polyethylene terephthalate polyester petp is a hard, stiff, strong, dimensionally stable material that absorbs very little water. For more specific values, follow the links immediately below. Polyethylene terephthalate pet is a thermoplastic material commonly used in the form of fibres and films, whose stability in environmental applications is of substantial interest. Material safety data sheetmsds page 14 revision date. Six different filling structuresrectilinear, grid, triangular, wiggle.
Polyethylene terephthalate petchemical compatibility g pet exhibits good resistance to attack f pet exhibits fair resistance to attack x pet exhibits poor resistance, and should not be considered for this application. Polyethylene terephthalate or pet products are 100% recyclable and is the most recycled plastic worldwide. Polyester resins combine excellent mechanical, electrical and thermal properties with very good chemical resistance and dimensional stability. Rheological and mechanical properties of recycled pet.
Engineering polyesters are engineering thermoplastics based on pbt polybutylene terephthalate and pet polyethylene terephthalate. Overview of materials for polyethylene terephthalate pet matweb. So the pet resins especially food grade undergo solid state polycondensation in order to lift up its molecular weight. In fact, pet is the most widely recycled plastic in the. P pbt uhmw ptfe abs pc ppo psu pei peek pps pai pi hdpe pp pvc long. Specific modulus cntex 700 800 specific tenacity cntex 36 70 80 density g. Material formula coefficient of thermal expansion x106 k1. Plastic property comparison graph plastic material supplier. Pet does not contain bisphenola bpa or phthalates plasticizers. The molecular weight required is dictated by the end use of the polyester. Engineering properties of polyethylene introduction a fundamental understanding of material characteristics is an inherent part of the design process for any piping system. It is a 100% recyclable polymer foam with excellent performance. It also has a sligtly lower melting point and crystallizes much faster than pet.
The test is performed using a loading apparatus such as the tinius olsen machine. Petertalyte is an excellent candidate for parts used in the food processing and equipment industries. Compared to pet, it has somewhat lower strength and rigidity but is more flexible and tougher higher impact strength. Thousands of consumer products, beverages and food items are delivered and packaged within this material. Introduction he problem of recycling waste materials will remain one of the problems which will continue to plague the society in the near future. But pet, if it is successfully crystallized, provides for better mechanical properties, including strength, stiffness, and performance at elevated temperature. Pet is a clear, strong, and lightweight plastic that is widely used for packaging foods and beverages, especially conveniencesized soft drinks, juices and water. Pet is used in the packaging sector in the form of films, trays or bottles. Polyethylene terephthalate petchemical compatibility g. It is calculated by dividing the mass of the material by the volume and is normally expressed in gcm 3. The facts about pet european federation of bottled waters. Pet is a plastic resin and the most commonly used plastic material.
The mechanical properties of pet fiber reinforced concrete from. Low diffusion coefficient makes pet much more suitable than other plastic materials for use as a recovered, recycled material. Pet is an acronym for polyethylene terephthalate and it is best known as the clear plastic used for water and soda bottle containers. For each property being compared, the top bar is pc and the bottom bar is pet. Substance physical state or concentration suitability the data provided below should not be construed as implying a legal guarantee. Thermal properties of plastic materials material formula coefficient of thermal expansion x106 k1 heatdeflection temperature 0.
Corelite pet is a closedcell pet foam engineered to provide high mechanical properties. Each property range of values reported is minimum and maximum values of appropriate matweb entries. Thermal and mechanical properties of recycled pet and its. P pbt uhmw ptfe abs pc ppo psu pei peek pps pai pi hdpe pp pvc short term operating temperature degrees fahrenheit 0 100 200 300 400 500 600 pa 66 pa. Morphological and material properties of polyethyleneterephthalate. And unfilled peek is approved by the fda for food contact applications since 1998. Like glass, it is a very strong and inert material that does not react with foods, is resistant to attack by microorganisms, and. Pet bottles are being experimented to act as non load bearing keywords waste pet aggregate, light weight concrete, structural properties, bottle house, pet panels i. Pet is known to be a hygroscopic thermplastic material absorbing moisture easily. Polyethylene terephthalate pet or poly ethylene terephthalate is a polymer that is used for. Pet polyethylene terephthalate, semicrystalline is a strong, stiff engineering plastic with excellent machining characteristics, chemical resistance, and bearing and wear properties. Polyethylene terephthalate shows high tensile and mechanical strength, hardness and toughness, low friction and a high dimensional stability.
Polyethylene terephthalate polyester pet, petp properties and. This moisture causes a cleavage in the polymer chain during melt and results in a degradation of the physical properties of the product produced. Pdf mechanical properties of pet material literature. Therefore, to determine the exact density of plastic, it is.
Thermal properties of plastic materials material formula coefficient of thermal expansion x106 k1. The graph bars on the material properties cards further below compare pet to. An introduction to pet pet also abbreviated pete is short for. Rheological and mechanical properties of recycled pet modified. Pet is spun into fibers for permanentpress fabrics, blowmolded into disposable beverage bottles, and extruded into photographic film and magnetic recording tape. Peek carries a v0 flammability rating and exhibits very low smoke and toxic gas emission when exposed to flame. This type of pet is amorphous and is engineered to prevent crystallization. Petp ertalyte is fda compliant in natural and black. Pdf properties of waste polyethylene terephthalate pet. Thermal and mechanical properties of recycled pet and its blends. Polyesters also offer low moisture absorption and have good flow properties. Mechanical properties of recycled pet fibers in concrete. From the macroscopic point of view mechanical properties can be.
Click here to view all available suppliers for this material. Impact resistance petg is less brittle than acrylic, and is. Physical and mechanical properties of materials melting temperature 9 density 10 youngs modulus 11 yield stress and tensile strength 12 fracture toughness environmental resistance 14 uniaxial tensile response of selected metals and polymers 15 iii. 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. In general, such pet is known as petg or petg polyethylene terephthalate glycolmodified. Typical physical properties property vivak sheet units test method general specific gravity 1.
Mechanical properties of plastic materials material formula abrasive resistance astm d1044 mg cycles coefficient of friction compression set after 24 hr at 175c % compressive modulus gpa compressive strength mpa elongation at break % hardness rockwell izod impact strengt h j m1 poissons ratio tear strength n mm1 tensile modulus. Mylar product information 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. 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. The properties of pet include three common variations. All pet materials are hygroscopic, so exposure to a humid environment will cause them to absorb moisture.
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