TYPICAL PROPERTIES of PVC and CPVC ASTM or UL test Property PVC CPVC PHYSICAL D792 Density (lb/in³) (g/cm³) 0.051 1.41 0.055 1.52 D570 Water Absorption, 24 hrs (%) 0 0.04 MECHANICAL D638 Tensile Strength (psi) 7,500 8,200 D638 Tensile Modulus (psi) 411,000 430,000 D638 Tensile Elongation at Break (%) - 27 document.write(''); , GD&T Training Geometric Dimensioning Tolerancing. Introduction to Plastics PROPERTIES OF PLASTICS 19. Unlike metals, finishes and colors can be added before fabrication and the need for certain post-treatment processes, such as painting. Chemical Resistance of Plastics { else 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. High extrusion speed on standard lines 7. .style2 {font-size: 12px} Strong and ductile; Poor conductors of heat and electricity; Easily moulded into different shape and size; Resist corrosion and are resistant to many chemicals. Synthetic polymers, which includes the large group known as plastics, came into prominence in the early twentieth century. That malleability also increases the fabrication and production of parts and pieces. The size and structure of the polymers that compose different plastics contribute to the plastics’ properties. Contact us today to get started! The molecules can be fashioned with various properties depending on what we need: sticky or slippery or lightweight or soft or hard or foamy or stretchy or … well, you get the point. The properties of plastic are numerous. -->, Plastics Engineering and Design | Contact. Professional Plastics, Inc. 8322 Clairemont Mesa Blvd. Figure 5.3. Engineering plastics are a group of plastic materials that have better mechanical and/or thermal properties than the more widely used commodity plastics (such as polystyrene, PVC, polypropylene and polyethylene).. We wear plastic in our clothes—polyester (PES) and polyamides (PA) (nylons). 2. 2. It cannot be melted or remolded and is resistant to solvents. Film Properties of Plastics and Elastomers, Fourth Edition is the only data handbook available on the engineering properties of commercial polymeric films. Excel App. Another important property is toughness, which is the energy absorbed by a polymer before failure—often as the result of a sudden impact. Mechanically tougher Plastics are also known as polymers. Plastic is a synthetic material created from a broad range of organic polymers that have become an indispensable part of our everyday world. An example would be to pull on a 1" wide piece of paper that is 4" long. The properties of plastic are numerous. Comprising a unique set of chemical and physical properties makes it suitable over glass, PMMA and PE. Engineering Materials and Design, Typical Engineering Properties of Plastics Materials. Plastics generally possess sufficient durability, provided they offer sufficient surface … Our water and sewer delivery systems are made from it—polyvinyl chloride (PVC). Lower cost 8. Training Online Engineering The possible results and typical values observed during such test, depending on material behavior, are summarized in the following graph: Once formed and solidified, i.e., a process known as curing, the plastic becomes “set.” The transformation process from a liquid state to a solid state is irreversible and provides an ultra-strong end product. The RIM manufacturing process is a technique that utilizes engineered thermoset polymers. | Feedback | Advertising Since these define a constant ratio between outer diameter and wall thickness, they provide a simple means of specifying product dimensions to maintain constant mechanical properties regardless of pipe size. They are made up of carbon, hydrogen and sometimes oxygen, chlorine, nitrogen, fluorine, sulfur, phosphorus or silicon. Advertising Center Chemists' ability to engineer them to yield a desired set of properties (strength, stiffness, density, heat resistance, electrical conductivity) has greatly expanded the many roles they play in the modern industrial economy. Some properties of plastics include their light weight, high resistance to various chemicals, thermal and electrical insulation and their wide range of colors, characteristics and potential uses. Plastics can also be classified by: their various physical properties, such as: hardness, density, tensile strength, resistance to heat and glass transition temperature, and by their chemical properties, such as the organic chemistry of the polymer and its resistance and reaction to various chemical products and processes, such as: organic solvents, oxidation, and ionizing radiation. They are so named because the polymers experience a chemical change during processing to form an irreversible chemical bond when mixed and molded. High and low temperature 2. They have been established to simplify standardization in the specification of plastic pipe on an international basis. Every polymer has very distinct characteristics but most share a few similar characteristics. Properties of Plastic. Plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure. The injected resin fills all the voids in the mold, reinforces the fiber types, and forms, usually within minutes. The most commonly specified mechanical properties of polymers include stiffness and breaking stress, quantified in the table of properties and applications as flexural modulus and tensile strength. Potable water approved 6. There are currently no comments available. Hydrolysis resistance 3. So, these will give good appearance to the structure and makes it attractive. { Description. Typical Engineering Properties of Plastics Materials . That’s why plastics are used in so many helpful everyday products, from spatulas to car bumpers and from medical implants to fabrics for clothing. // --> High abrasion resistance 5. Majority of the times, polymers are made up of Carbon, Hydrogen, and Oxygen only. The uses of polypropylene (PP) are seemingly endless. Comparing the Physical Properties of Plastic No matter how much experience you have working with plastics, sometimes a direct comparison of physical properties is the best way to determine which material is best for your application/project. Engineering Forum There are some properties of plastic as follows: 1. Online Books & Manuals The chemical properties of plastics depend on the type of polymer used during the manufacturing process. document.write(''); Let’s discuss PC properties in detail: Unit 12 Lesson 9 Properties of Plastics (Total Points = 27) LiveLesson Recording: Recording goes through 8 different plastic samples so students can collect data and complete the questions for portfolio. GD&T Training Geometric Dimensioning Tolerancing font-size: 12px; Coefficient of Friction. Depend on the chemical composition, arrangements and the need for a quality plastic sheet or rod, in large... Piece of paper that is 4 '' long carbon, hydrogen, oxygen... 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