respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Hardware, Imperial, Inch 0000169321 00000 n One of the most commonly used plastics, our heavy duty acrylonitrile butadiene styrene, or ABS sheeting, has a high impact resistance and durability to be used for automotive, printing, and display applications. 3t6/8lM2-lA Helium gas has a density of 0.164g/liter It is 0.139 times as dense as air . Machine Design Apps warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with Pumps Applications Plastic (CR-39) and Crown Glass are considered base index with indices of 1.498 and 1.52 respectively. 0000149107 00000 n 0000086690 00000 n 0000163869 00000 n These applications will - due to browser restrictions - send data between your browser and our server. 2023, by Engineers Edge, LLC www.engineersedge.com Contrary to HDPE, LDPE is characterized by low-density molecules, giving this resin a thinner and more flexible design. Natural rubber 0.91 Acrylic sheeting, commonly referred to as plexiglass sheeting, is the most common alternative to traditional glass. Styrene-butadiene 0.93 Learn More, Formally confirming that your products and services meet all trusted external and internal standards. 0000005721 00000 n or damage, or any loss or damage whatsoever arising from loss of materials, time or profits arising out of, 0000124911 00000 n But they can also be found on mobile phones and, more frequently, in compact-discs (CD). Because its made with long unbranched polymer chains its much stronger and thicker than PET. Plastics have a really wide specific gravity range depending on its composition. Specific gravity and density are especially relevant because plastic is sold on a cost per pound basis and a lower density or specific gravity means more material per pound or varied part weight. There are two basic test procedures- Method A and Method B. The more common being Method A, can be used with sheet, rod, tube and molded articles. LLDPE 0.91-0.94 0000050964 00000 n Density refers to the mass per unit volume of a material, whereas SG refers to a measure of the ratio of mass of a given volume of material at 23C to the same volume of deionized water. Flat Plate Stress Calcs Gravity: Viscosity CPS Strength of Materials 2023 Ji-Horng Plastic Co., Ltd. All rights reserved. Design & Manufacturability Specific Gravity (SG) is defined as the ratio of WebDensity of Plastics Density is calculated by dividing the mass of the material by the volume and is normally expressed in g/cm3. Training Online Engineering. Specially designed for marine applications, antiskid HDPE sheeting offers superior durability with the additional benefit of a non-skid surface perfect for high-traffic marine surfaces. 0000162752 00000 n WebMaterial density g/cc 1 g/cc = material density = specific gravity Therefore, knowing the specific gravity and with the help of the handy conversion table on the shared drive one 0000002716 00000 n 0000002953 00000 n For example, The American Society for Testing and Materials (ASTM), approximately a 30% density reduction from PET to PP and an increased yield on pounds purchased. Plastic Corp. carries an excellent selection of spray bottles perfect for cleaning. 0000004768 00000 n In the next blog post, we will explain which of these plastic types can be recycled and which not, so stick around! Finishing and Plating Acrylic doesn't have as much impact resistance as polycarbonate; polycarbonate's tensile strength is greater than that of PVC; PVC's heat deflection abilities are lesser than Vivak's; and so on, and so on. 1, Zhongshan Rd., Dacun Township, Changhua County 515, Taiwan (R.O.C. 0000117111 00000 n Specific Gravity means specific value of an object under normal temperature and pressure. Electronics Instrumentation Beam Deflections and Stress 0000005093 00000 n The density of water is 1.0 g/mL at room temperature, so the specific gravity is equal to the density of the object expressed without a unit. 0000018128 00000 n Plastics that belong to group number one are made out ofpolyethylene terephthalate or PET. 0000117718 00000 n It comes in two basic forms: rigid and flexible. Technical name - High-Density Polyethylene its an incredible resistant resin used for grocery bags, milk jugs, recycling bins, agricultural pipe, but also playground equipment, lids, and shampoo bottles among others. the molded piece as compared to the weight of an equal volume of water 0000007137 00000 n Materials with an index between 1.53 and 1.57 are sometimes considered mid-index, while 1.58 and greater is considered high-index. 0000004927 00000 n One of the most remarkable features of plastic is just how greatly its features can vary from variety to variety. 1 cm3 water weighs 1 g (as mentioned, density of water is 1g/cm3), and 1cm3 aluminum weighs 2.7 g (the density is 2.7 g/cm3), thus specific gravity of aluminum is 2.7 1 = 2.7 (which has the same value with density), **Tip: To look it up efficiently, mobile phone viewer, please use site searching, computer viewer, please use "Ctrl + F"**, Remarks: Glass Fiber (GF), Carbon Fiber (CF), Mineral Fiber (MF), Impact Modified (IM), Low Friction (LF), Talc Filled (TF), Ultra High Molecular Weight Polyethylene (UHMWPE), Crosslinked Polyethylene (XLPE), Density of Chemical Additives forInjection Molding. In fact, PET bottles arethe most widelyrecycled plasticin the world! If youve ever felt this way after reviewing a material data sheet, then this next Impact Plastics Blog series focused on Understanding your Data Sheet is for you. S g = p s /p h20 S g = Specific Gravity of the On top of this, plastics number 7 is almost never recycled. 0000137613 00000 n **Ji-Horng Plastic is a leading plastic injection molding manufacturer since 1986, for more information, please contact us!**. Blood normally has a specific gravity of ~1.060. 0000016671 00000 n How about an incentive to share this post? Since the density of a fluid varies with temperature, specific gravities must be determined and specified at particular temperatures. PA-12 1.02 0000124825 00000 n As usual, remember to opt for reusable alternatives to plastic, to avoid purchasing the dangerous types and recycle as much as possible the types of plastic that you can! Also, it is relatively hard and resistant to impact and can be subjected to temperatures of up to 120 C without being affected. Phone: 860-963-1976 In addition, polystyrene is not accepted incurbside collectionrecycling programs and is not separated and recycled where it is accepted. In this next blog series we will explore ASTM tests commonly found on material data sheets for thermoplastic resins, starting with density and specific gravity. Environmentally-speaking its among the worst types of plastic: first, it is regarded as notbiodegradable. CONSTITUTION: An isotactic polyolefin powder or particle of an average particle or in connection with, the use of this information. Physics +hSm)/BNy-G:ipb4m(5i9 18N 2Y9 E7q!#5qnc"w2T.Cz(k4l@Ar$.n(*piE1uh%UF?x]*t4\J4j1i,/7Mq$``'> used for pressurized water systems - sprinkler.. highly resistant to acids, bases and many solvents, resistant to a variety of acids and bases, may be damaged by some solvents and chlorinated hydrocarbons, usable for water, gas and drainage systems, similar to PVC - but designed for water up to, resistant to abrasion, acids, bases, solvents and much more. 0000014816 00000 n This may also be referred to as relative density. 0000140352 00000 n Used in plastic bags,six-pack rings, various containers, dispensing bottles, and most famously for plastic wraps, is not often recycled through curbside programs. We carry a large selection of American-made Tamco industrial strength tanks. Thanks to its versatile properties, such as lightness, durability, and easiness of processability, PVC is now replacing traditional building materials like wood, metal, concrete, rubber, ceramics, etc. Any reliance you place on such information is therefore strictly at your ownrisk. 0000166558 00000 n Polytetrafluorethylene 2.27, Working Days & hours Details for Alfa Plast Mould, Alfa Plast Mould 2008 | All Rights Reserved. So youve narrowed down what material you need thanks to our Learn More About your Plastic Sheet series - now its time to download a data sheet and take a look at the performance attributes of our materials. 0000005127 00000 n In fact, not only can plastic be found in a variety of different shapes and colors, but also in many different types. Description: This 3/8" OD x .062" Wall Yellow Polyethylene Tubing has a working pressure of 120 PSI @ 72F. 0000005946 00000 n %PDF-1.4 % Materials and Specifications 0000005504 00000 n Engineering Book Store 0000138434 00000 n Polypropylene is the second-most widely producedcommodity plastic and its market is forecasted to grow even more in the following years. 0000139528 00000 n Polychloroprene rubber 1.23 0000125957 00000 n WebSupplier: U.S. This test is often seen with the designation ASTM D792. When the plastic that expanded beyond the container is removed we now find that the remaining cube of heated plastic inside the container weighs only 0.933 grams. PA-6 1.12-1.13 ), Plastic Material: Density & Specific Gravity. Moreover, the decomposition of BPA in landfills does not occur meaning that this chemical will be persistent in the ground and will eventually find its way into water bodies contributing to aquatic pollution. Solids and Metals - Specific Gravities . Specific gravity for some common solids and metals like aluminum, asbestos, brass, calcium and many others . Sponsored Links . The Specific Gravity - SG- is a dimensionless unit defined as the ratio of density of the material to the density of water at a specified temperature. Beverage bottles are among the main plastic items that come for PET. The specific gravity of plastic is the ratio of the density of plastic to that of a reference substance (Usually water). Web most plastic baby bottles 5-gallon water bottles sport water bottles metal food can liners clear plastic sippy cups some clear plastic cutlery Mixed resin plastics like #7 are difficult, if not impossible, to recycle. Hydraulics Pneumatics Bad0Ai2qe5a>/=Amk.uB^Hfd]hG!+lqqTDlz!" Applications and Design We don't save this data. 0000127802 00000 n 0000161897 00000 n Despite its many advantages and efforts made by the plastic industry to increase its reusability, PVC is still hardly recyclable and should therefore be avoided, whenever possible. SPECIFIC GRAVITY- The ratio of the weight of Vibration Engineering 0000125208 00000 n Polyethylene 0000160831 00000 n You have no items in your cart. Specific GravityDensity and specific gravity sound quite similar, some even say that they are synonyms; however, they are actually not the same, below we are going to introduce the differences of them.What's the meaning of "Density"?Density ismass or weight of a substance per unit volumeundernormal temperature and pressure. Butyl rubber 0.92 0000142860 00000 n Polystyrene 1.05 Copyright 2000 - 2023 United States Plastic Corporation. 0000102892 00000 n 0000130285 00000 n Putnam, CT 06260 This website uses cookies to collect necessary user browsing behaviors so that we can provide you with a better browsing experience. For PS the melt density is 0.945 g/cm 3 and for PP it is about 0.74 g/cm 3. Health effects vary depending on the resin and plasticizers in this plastic that often can be special ordered. Polymers typically have a benchmark density that can offer an approximate value of what the density of a particular material can be expected to be. 0000015222 00000 n Typical properties of some common thermoplastics: For full table with Thermal Conductivity, Specific Heat and Maximum Temperature Limit - rotate the screen! Heres a brief recap of what we have learned so far: We hope this blog post has provided some clarity about the differences among all these plastic types. 0000019679 00000 n It is 250 times stronger and just as clear as glass. 0000149962 00000 n Yield point is the first point where the specimen yields, where the specimen's cross-sectional area begins to contract significantly, or where the strain can increase without increase in the stress. 0000156682 00000 n To figure the specific gravity of a substance take the number of pounds per gallon the substance weighs and divide it by 8. The weight will appear in both metric and common US units. Portions throughout the same sample may also differ in density due to differences in crystallinity, thermal history, porosity, or changes to the material composition, such as the addition of a filler or pigment. 9;-h3UR{SD bD=NSH3)0lefD}n 81 c+0!o XFu#N/? WebSpecific Gravity (SG) is defined as the ratio of density of the material to the density of water (1 g/cm3) at a specified temperature. Impact Consumer Products Group All Rights Reserved 2023, 5 Highland Drive It has the simplest structure of all the plastics, making it easy and cheap to produce. Urine normally has a specific gravity between 1.003 and 1.035. Polycarbonates are commonly used for eye protection in the creation of lenses for sunglasses, sport and safety goggles. 0000173123 00000 n It is mostly used for food and drink packaging purposes due to its strong ability to prevent oxygen from getting in and spoiling the product inside. 0000176664 00000 n For example, some types of plastic are reusable and others arent because of the chemicals they contain; some can be recycled and others need to be disposed of in a different way. "Density" has its own unit of measurement, 1 g/cm3 or 1 kg/m3, in contrast, specific gravity has no unit of measurement goes with it; nevertheless, although they don't have the same meaning, they have the same value because density of water is quite close to 1g/cm3. In its rigid form, PVC is largely used in the building and construction industry to produce door and window profiles and pipes (drinking and wastewater). Threads & Torque Calcs Polyamide That value must be known in order to determine the overall weight of said project and whether its other components will be able to support the heft of the plastic component - which is why we've put together this quick and easy guide on the weights of some of our most popular plastics. dixonvalve.com. Thermodynamics This bucket is economically priced, while still featuring premium bucket quality and durability. When mixed with other substances, It can be made softer and more flexible and applied to plumbing, wiring, and electrical cable insulation and flooring. 0000134268 00000 n ~P2p@0$:+mbsuz! Mechanical Tolerances Specs Friction Formulas Apps Though that may seem like a simple and not particularly worthwhile distinction, any engineer worth their salt will tell you that weight is of the utmost importance when deciding whether a material is appropriate for a particular project. We carry carry hose barb fittings in a variety of materials suitable for all sorts of applications. Only emails and answers are saved in our archive. 0000148052 00000 n i.e. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss Others might see it as an important way to reduce risk or liability. View Cart. Web1 28768 DENSITY OF PLASTICS What is Density of plastic: The density of a substances is generally known as mass per unit volume. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Though some manufacturers use grams per cubic centimeter to indicate the weight of their products, others merely provide the specific gravity of their material. 0000135948 00000 n Roto-molded LLDPE with thick walls for superior strength anddurability. Structural Shapes The standard test method for the determination of density and specific gravity The member-related functions have been closed due to the deactivation of cookies. It holds the number one spot because of its widespread utility. Perhaps better known by its commercial name Styrofoam its highly inflammable and dangerous as it can leach harmful chemicals, especially when heated (which often happens because, as its found in disposable take-out containers, people oftentimes microwave it to heat up the food inside it). ,unv . 0000167357 00000 n The specimen is weighed first in air (Weight A), and then weighed when immersed in distilled water at 23C (Weight B). 0000128624 00000 n Specific gravity, You can target the Engineering ToolBox by using AdWords Managed Placements. Sponsored Links 0000153750 00000 n We don't collect information from our users. The tests for density and SG are particularly significant in the custom sheet industry because plastic sheet is sold on a cost per pound basis. Due to the different density of plastic, we can easily identify different plastics by "Buoyancy Test", for more information, please check out in related articles. More frequently, however, anything over 1.53 is called high-index. Its usually picked up through most curbside recycling programs and has a tremendously positive track record! Hard and sturdy, it can withstand high temperatures and is found in tupperwares, car parts, thermal vests, yogurt containers, and even disposable diapers. Now we need a minimum of 6.16 x 1.28 or 7.88 oz of shot capacity. 0000011164 00000 n PA-11 1.04 Polybutene 0.91-0.92 There are two basic test procedures to determine the density of a material method A, used for testing solid plastics in water, and method B, used for testing solid plastics in a liquid other than water. 0000159988 00000 n Tensile yield strength is the maximum engineering stress in psi (or Pa) at which a permanent non-elastic deformation of the thermoplastic material begins. I'm Gelson Luz, mechanical engineer, welding specialist and passionate about: I am building this blog to be the best learning blog about engineering! WebSimply enter the density of the material in which your are interested, select the shape from the drop-down list, enter the dimensions, then hit the Calculate button. Lubrication Data Apps So, keep reading! AddThis use cookies for handling links to social media. 0000135081 00000 n 0000051762 00000 n 0000124088 00000 n For example, polypropylene has a density of approximately 0.90, whereas PET has a density of approximately 1.40. Finish: Solid. Polypropylene 0.90-0.92 Friction Engineering 0000015048 00000 n HWM7W=T+[h#E\Zc"YLGr>ZH resistant to a variety of bases and acids, some solvents and chlorinated hydrocarbons may damage the material, common as DEV - Drainage, Waste and Vent - pipes, only compression and banded type joints used. 0000173991 00000 n Bearing Apps, Specs & Data WebSpecific gravity is a measure of the ratio of mass of a given volume of material at 23C to the same volume of deionized water. POM 1.41-1.43 0000177508 00000 n 0000168199 00000 n Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Hi! This site requires JavaScript to function. Engineering Mathematics It is common to use the Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! At Plastics For Change, we are giving second life to discarded plastic numbers 1,2,4, and 5 and re-use them for the creation of various different products while cleaning our oceans! 0000164707 00000 n Civil Engineering Total elongation at failure of some polymers: Tensile modulus or Young's Modulus is the ratio of stress to strain within the elastic region of the stress-strain curve before the yield point. Specific gravity of a material can be calculated by following equation: The testing method of SG for plastic systems is ASTM D792 and ISO 1183. SG of plastic is less compared to other materials influence its price; thus all plastic materials are sold on cost per weight basis. Definition: Density v.s. 0000136804 00000 n If you are interested in knowing more about what we do, click here. HGCs are far more dense than existing plasticse.g., 40% glass-filled nylon has a specific gravity (SG) of just 1.46and are weighty enough to compare with aluminum (2.7 SG), zinc (6.64), steel (7.6), and lead-antimony (11.35). ph20 = density of water, standarized at temperature 4C (kg/m3), (Samples may vary, and these figures are approximate. 0000131261 00000 n Engineering Calculators HDPE 0.96-0.97 6I&dsV.G{w+Z#Ot>wY[~JKWr#oyOIIl(RV[U|i:n0qfB#}CNs,%|PEyeTeB As far as its disposal is concerned, HDPEis accepted at mostrecyclingcenters in the world, as it is one of the easiest plastic polymers torecycle. Therefore, the specific gravity (which is dimensionless) for a liquid has the same numerical value as its density in units of g/cm3. WebMinerals and other Materials - Specific Gravities Specific gravities for minerals and other materials. Section Properties Apps 0000117341 00000 n Thermodynamics Directory | Heat Transfer Directory, Specific Gravity Table Chart and Equation. Downloads Over 12,000 ASTM standards operate globally, including tests specific to plastics, to help consumers have confidence that the products they purchase will perform as expected. The tests for density and SG are particularly significant in the custom sheet industry because plastic sheet is sold on a cost per pound basis. 0000142018 00000 n Example: A gallon of oil weighs 9.5 lbs per gallon9.5 lbs / 8 = 1.187 specific gravity. Polyethylene terephtalate 1.34-1.39 0000133447 00000 n Put theplastic specific gravityin perspective! Spring Design Apps LDPE 0.91-0.93 Please read AddThis Privacy for more information. Available in a range of sizes these trays have many industrial uses. Science based targets for a Global Plastics Treaty, Plastics For Change is now an Ocean Bound Plastic certified collector, efforts made by the plastic industry to increase its reusability, market is forecasted to grow even more in the following years, For Brands - Click Here to Source with Purpose. 0000014066 00000 n Continue reading to learn more! Polystyrene is the sixth type of plastic on the list and it can be solid or foamed. 7 0 obj<> endobj xref 7 103 0000000016 00000 n Ultimate tensile strength is the maximum stress the thermoplastic material can withstand before failing, whichever occurs at the higher stress level. Specific gravity (S.G.) is a measure of the relative density of a substance as compared to the density of water at a standard temperature. 0000004265 00000 n The specific gravity of a substance is a comparison of its density to that of water. ABS 1.04-1.07 Web800.789.1718. 0000004599 00000 n LDPE is used for the infamous plastic bags that are usually used for a few seconds and then discarded. One of the ASTM test methods for plastic commonly seen on data sheets is the test for Density and Specific Gravity (SG). The best-known plastics of this group are polycarbonates(PC) used to build strong,toughproducts. +74|=8/[ dcepJ@@ Q endstream endobj 8 0 obj<> endobj 10 0 obj<> endobj 11 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>> endobj 12 0 obj[278 750 474 750 750 750 750 238 750 750 750 750 278 750 278 278 556 556 556 556 556 750 750 750 556 750 750 750 750 750 750 611 750 722 750 722 722 667 611 778 722 278 750 750 750 750 722 778 667 750 722 667 611 750 667 944 750 667 750 750 750 750 750 750 750 556 611 556 750 556 333 611 750 278 750 750 278 750 611 611 611 750 389 556 333 611 556 750 556 556] endobj 13 0 obj<> endobj 14 0 obj<> endobj 15 0 obj<> endobj 16 0 obj<> endobj 17 0 obj<> endobj 18 0 obj[/ICCBased 39 0 R] endobj 19 0 obj[278 750 355 750 750 750 750 191 333 333 389 750 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 750 750 584 750 556 750 667 667 722 722 667 611 750 722 278 750 667 556 833 722 778 667 750 722 667 611 722 667 944 750 750 750 750 750 750 750 750 750 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500] endobj 20 0 obj<> endobj 21 0 obj<> endobj 22 0 obj[278 750 750 750 750 750 750 750 333 333 750 750 750 750 278 278 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 722 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 556 750 500 556 556 278 556 556 222 750 750 222 833 556 556 556 750 333 500 278 556 500 750 750 500] endobj 23 0 obj[250 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 500 500 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 667 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 722 778 778 778 778 778 778 778 444 500 444 500 444 778 778 778 278 778 778 278 778 500 500 778 778 333 389 278 778 500] endobj 24 0 obj<> endobj 25 0 obj<> endobj 26 0 obj<>stream 6, Sec. Density of Plastics: Technical Properties. Density measures the mass per unit volume. It is calculated by dividing the mass of the material by the volume and is normally expressed in g/cm 3. The density of a plastic sample may change due to change in crystallinity, loss of plasticizers, absorption of solvent, etc. Specific gravity and density are especially relevant because plastic is sold on a cost per pound basis and a lower density or specific For convenience's sake, we have converted the specific gravities provided by the manufacturers of our products to grams per cubic centimeters. 0000006688 00000 n The solid wood density may be determined using the green volume, Therefore, the specific gravity is a unitless number. WebSpecific gravity is the (unit less) ratio of the solid wood density to the density of water at the same temperature. 0000171239 00000 n 0000141220 00000 n Specific gravity, generally speaking, measures the density of an object as compared to water. WebSince the density of a fluid varies with temperature, specific gravities must be determined and specified at particular temperatures. Easy for Beginner: Plastic Material Identification by Buoyancy Test, How to Identify Plastic Materials by Burn Test Accurately, No.98, Ln. 0000165724 00000 n 0000002775 00000 n HVAC Systems Calcs It is a very inexpensive resin per unit weight and easy to create, for these reasons it can be found everywhere: from beverage cups, insulation, packing materials to egg cartons and disposable dinnerware. Videos Design Manufacture 0000126937 00000 n WebDensity of Plastics Material: Technical Properties Table. (You will help other colleagues find this blog). : The units cancel out in the ratio. With a smooth, matte finish, expanded PVC sheets provide the great surface for graphic overlays.

, Sign up for A&C Plastics Updates, Promotions. 0000144583 00000 n In recent years, the use of these resins has been controversial: the basis of this controversy is their leaching that, occurring at high temperature, releasesbisphenol A, a compound that is on the list of potential environmental hazardous chemicals. All prices and offers subject to change. ASTM D792 Join our movement of Global Change Agents to receive exclusive invitations and updates. For more information Please review the privacy policy, Disabling cookies will make it impossible to use member-related functions. 1 gallon of water weighs 8.33 lbs. 0000157774 00000 n WebPURPOSE: The title filler having a low specific gravity and excellent affinity for plastics and retention of electric conductivity, prepared by applying a metallic coating to the surface of an isotactic polyolefin powder or particle etched in the presence of a specified chemical agent.