» View all Commercially Available Polycarbonate Grades and Suppliers in Omnexus Plastics Database This plastic database is available to all, free of charge. The following table contains electrical data for several commercially available plastics. It is essential that designers and users understand their characteristics in order to ensure proper performance in new applications. Properties of plastics or polymers play a vital role in the field of Mechanical Engineering. There are two primary forms of plastic: thermoplastic and thermoset plastics, the use of which is dependent on the application. Generally Plastics contain numerous chemical additives to refine their mechanical properties. Plastic - Plastic - The polymers: Polymers are chemical compounds whose molecules are very large, often resembling long chains made up of a seemingly endless series of interconnected links. You can filter down your options by property (mechanical, electrical…), applications, conversion mode and many more dimensions. properties of unreinforced and reinforced plastics in the form of standard dumbbell-shaped test specimens when tested under deﬁned conditions of pretreatment, temperature, humidity, and Different materials exhibit different working properties. High number indicates more growth when heated. They do not require any protective coat of points. A lower number indicates more slippery. Plastics are a group of very important materials that have a wide variety of uses. Plastics are materials made from long molecules (Polymers). Plastics may be amorphous solids, crystalline solids, or semicrystalline solids (crystallites) or any other form of solids. • Detailed introductions of plastics properties, testing procedures, and principles of plastics design. S O FT WA R E O P TION S* ASTM D638 Tensile Properties of Plastics About TestSuite™ TW Test Template To simplify testing to ASTM D638, MTS has developed a TestSuite™ This flexible and versatile software application comes in three versions TW test template that will set up and run the recommended tensile so that you can choose exactly which one best fits your requirements. Prior to the yield point, the properties are quite predictable but after that yield point, the properties become more variable, and confidence in the predictability significantly decreases. Properties of materials. plastic material properties; Property Description; Coefficient of Friction : Degree to which a plastic resists sliding against another material. • Covers more than 70 types of plastics, and summarizes the chemistry of each type. Most find it really handy as a guide for quick reference when looking for a material to suit their application. Variations may occur as far as cases and technical parts are concerned. The plastic is quite durable. Plastics are a wide range of synthetic or semi-synthetic materials, that usually use a polymers as a main ingredient. The plastic can be easily fixed in position. 2006 Jun;23(6):634-41. doi: 10.1080/02652030600643369. Low Temperature Properties of Polymers Introduction Most plastics at room temperature show their familiar properties of flexibility (a low Young’s modulus) and high resistance to cracking but when the temperature decreases this can change rapidly and many common plastics become brittle with low failure stresses. Properties of Plastics as a Construction Material Each plastic material has its own peculiar properties to suit its particular uses. The main physical difference between the two is that one can be reused time and again, and the other cannot. However, because of the high degree of sensitivity exhibited by many plastics to rate of straining and environmental conditions, data obtained by this test method cannot be considered valid for applications involving load-time scales or environments widely different from those of this test method. Materials Properties of plastics. Properties of Plastics. Chemical Properties of Plastic. Electrical Insulation: The plastics possess excellent electrical insulating property. Originally published 1973. This property of plasticity, often found in combination with other special properties such as low density, low electrical conductivity, transparency, and toughness, allows plastics to be made into a great variety of products. A. Blaga. Coefficient of Linear Thermal Expansion : Degree to which a plastic changes size due temperature change. Properties of plastics vary depending on the chemical composition, arrangements and the processing method of its subunits. The success of plastic as an engineering material will depends up on the selection of variety of plastic. ISO 604 – Plastics – Determination of Compressive Properties. Main Characteristics and Properties of Polycarbonate When you want to apply any type of load on a particular member, you need to know its material properties, density, etc. Plastics are widely used throughout industry. • The only "databook" available on the effects of temperature and humidity conditions on plastics and elastomers. It is important to understand the conditions that a product may endure to ensure that those conditions are replicated during testing. Plastics come from polymers, hence all plastics are polymers, but not all polymers are plastic. Electrical Properties of Plastics. Due to the ideal properties of the thermoplastic polymers such as corrosion resistance, low density or user-friendly design, the production of plastics has increased There was a time when anything made of plastic was considered to be of inferior quality, but those days are past. These are good electrical insulators. For more information on plastics, check out the Macrogalleria. They have great resistance to the moisture. Often a plastic being designed for a specific purpose will have desirable properties. signiﬁcantly impacts the properties of such materials and these properties in turn have a signiﬁcant impact on their applications. Such properties can be investigated and compared between different products using standardised test methods. We are always giving out our chart to customers. Plastics are widely used because they can be formed using mass production methods into complicated shapes at a very low cost. The mechanical properties of plastics can be dramatically altered by environmental conditions, and particularly by extreme temperatures. Properties and Behaviour of Plastics. For chemically resistant plastic, view our Chemical Resistance of Plastics chart. They have a low melting point. • More than 1,000 graphs and tables allow for easy comparison between products. Properties of Plastics. The book discusses materials engineering through properties formulation, combining part design and processing to produce final products. For that, in this article, I am exploring the necessary properties of polymers in a detailed manner. Mechanical Properties of Plastic Materials Material Formula Abrasive resistance - ASTM D1044 mg/1000 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 m-1 Poisson's ratio Tear strength N mm-1 Tensile modulus GPa Tensile strength MPa Cellulose Acetate … Electrical Properties of Plastic Materials Material Formula Dielectric constant @1kHz Dielectric constant @1MHz Dielectric strength kV mm-1 Dissipation factor @ 1kHz Dissipation factor @ 1MHz Surface resistivity Ohm/sq Volume resistivity Ohm/cm Cellulose Acetate CA - ~5 11 0.06 - - … Dimensional Stability: It is dimensionally stable to a great extent. Durability: Plastic offers great resistance to moisture and chemicals and hence more durable. Also, you may want to use our Plastic Material Selection Guide or Interactive Thermoplastics Triangle to assist with the material selection process based on your application requirements. Colour: Some plastics are completely transparent. Plastic residue can be processed into composites using wood flour, mineral fillers, plant or synthetic fibers to obtain plastic lumber, a substitute material for natural wood. Introduction to Plastics Engineering provides a single reference covering the basics of polymer and plastics materials, and their properties, design, processing and applications in a practical way. It is easy to maintain plastic surface. Most modern plastics are based on organic chemicals that offer manufacturers a huge range of physical properties that is still growing. Use our interactive properties table below to explore by property group, sort, or compare two or more plastic materials. For example, tensile properties of plastics such as plastic tensile strength and rigidity can be determined according to DIN EN ISO 527 by briefly applying load in one direction with a tensile test. A simple, easy to understand visual reference point. tests. Our common engineering plastic properties chart for engineers has been widely distributed over the years. Using pigments plastics of any attractive colour can be produced. Another key point is that some plastics do NOT have a yield point. They are poor conductors of heat and electricity. The plasticity during production makes it possible for plastic to be moulded, extruded or pressed into solid objects of various shapes, making them an adaptable material for many different uses. The plastic properties on pages 222/223 are exclusively applicable for the specified standard test pieces. Some plastics may portray normally ductile behaviors, but when exposed to low temperatures may become brittle. The composition and processing conditions are largely responsible for the final characteristics of the plastic lumber. It offers great resistance to moisture, chemical and solvents. Plastics engineering not only combines the concepts of form, fit, and function, which involves design principles, but also encompasses the knowledge of various scientific and engineering fields that requires a good understanding of materials, their properties, processing methods, design principles, functional requirements, and the application. To request a quotation for any test email firstname.lastname@example.org for a prompt reply ISO 604 testing examines the compressive properties of reinforced and unreinforced rigid plastics through a process of straining and loading the plastic at a … Migration and sensory properties of plastics-based nets used as food-contacting materials under ambient and high temperature heating conditions Food Addit Contam. Plastics are relatively new as building materials and their properties are very different from those of traditional ones such as concrete and metal. Print one out and stick it to your wall or bookmark this page. 4.5 Tensile properties provide useful data for plastics engi-neering design purposes. Plastic, polymeric material that has the capability of being molded or shaped.
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