specific gravity of plastics chart
0000135948 00000 n You can target the Engineering ToolBox by using AdWords Managed Placements. 0000151051 00000 n 0000051762 00000 n This information can be used to tell whether plastic 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. 0000146514 00000 n Plastics Synthetics 0000009713 00000 n 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. I'm Gelson Luz, mechanical engineer, welding specialist and passionate about: I am building this blog to be the best learning blog about engineering! Training Online Engineering. It is common to use the Second, polystyrene foam blows in the wind and floats on water, due to its low specific gravity. PA-6 1.12-1.13 respect to the website or the information, products, services, or related graphics contained on the website for any purpose. A Specific Gravity of less than 1 means that the Cookies are only used in the browser to improve user experience. Health effects vary depending on the resin and plasticizers in this plastic that often 0000125957 00000 n As far as its disposal is concerned, HDPEis accepted at mostrecyclingcenters in the world, as it is one of the easiest plastic polymers torecycle. 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. 0000168199 00000 n Please read AddThis Privacy for more information. 0000128624 00000 n Design & Manufacturability 0000127802 00000 n The lower the density or SG of a particular material, the more material per pound or surface area you will get. Though some manufacturers use grams per cubic centimeter to indicate the weight of their products, others merely provide the specific gravity of their material. Roto-molded LLDPE with thick walls for superior strength anddurability. ), Plastic Material: Density & Specific Gravity. Others might see it as an important way to reduce risk or liability. Example: A gallon of oil weighs 9.5 lbs per gallon9.5 lbs / 8 = 1.187 specific gravity. 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. in various applications. Web1 28768 DENSITY OF PLASTICS What is Density of plastic: The density of a substances is generally known as mass per unit volume. **Ji-Horng Plastic is a leading plastic injection molding manufacturer since 1986, for more information, please contact us!**. 0000157774 00000 n 0000015048 00000 n 0000147303 00000 n 0000140352 00000 n Acrylic sheeting, commonly referred to as plexiglass sheeting, is the most common alternative to traditional glass. Polycarbonates are commonly used for eye protection in the creation of lenses for sunglasses, sport and safety goggles. Description: This 3/8" OD x .062" Wall Yellow Polyethylene Tubing has a working pressure of 120 PSI @ 72F. 0000124314 00000 n ?b0/7>41"FUm'V69mjqQn[pd@,XrKC^k $e-eI]abs6QCoq$Y+4Gb=.bsm?JBny!Q.h38'!xSi{C ,*+R9hHz Any reliance you place on such information is therefore strictly at your ownrisk. 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). 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. AddThis use cookies for handling links to social media. 0000006323 00000 n Sponsored Links 0000175797 00000 n Now we need a minimum of 6.16 x 1.28 or 7.88 oz of shot capacity. This bucket is economically priced, while still featuring premium bucket quality and durability. Environmentally-speaking its among the worst types of plastic: first, it is regarded as notbiodegradable. 0000142018 00000 n Specific Gravity = (Weight A / Weight B) Density = (Weight A / Weight B) * 0.9976 g/cm3 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. 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. Learn More, Formally confirming that your products and services meet all trusted external and internal standards. "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. SPECIFIC GRAVITY- The ratio of the weight of the molded piece as compared to the weight of an equal volume of water ASTM D792. Specific Gravity If plastic cannot be identified in the six types above-mentioned, then it will be included in group number 7. +hSm)/BNy-G:ipb4m(5i9 18N 2Y9 E7q!#5qnc"w2T.Cz(k4l@Ar$.n(*piE1uh%UF?x]*t4\J4j1i,/7Mq$``'> 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. (You will help other colleagues find this blog). All rights reservedDisclaimer | WebSince the density of a fluid varies with temperature, specific gravities must be determined and specified at particular temperatures. Plastic Material: Density & Specific Gravity PA66, 1.13 - 1.15 PA66 + 30% GF, 1.37 PA66 + 30% MF, 1.35 - 1.38 PA66 IM, 1.05 - 1.10. Specific gravity and density are especially relevant because plastic is sold on a cost per pound basis and a lower density or specific 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. Ethylene-propylene 0.86 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. Engineering Mathematics 0000158889 00000 n Helium gas has a density of 0.164g/liter It is 0.139 times as dense as air . 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. 3t6/8lM2-lA 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. 0000173991 00000 n Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! POM 1.41-1.43 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. 0000142860 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. 0000138434 00000 n If you are interested in knowing more about what we do, click here. 0000160831 00000 n Beam Deflections and Stress 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. Easy for Beginner: Plastic Material Identification by Buoyancy Test, How to Identify Plastic Materials by Burn Test Accurately, No.98, Ln. For more information Please review the privacy policy, Disabling cookies will make it impossible to use member-related functions. Physicists use 39.2 F (4 C) as the standard, but engineers ordinarily use 60 F. In the International System of Units (SI Units), the density of water is 1.00 g/cm3 at the standard temperature. 0000126937 00000 n Polyethylene terephtalate 1.34-1.39 Mechanical Tolerances Specs 0000007137 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. Viscosity Chart. WebThough some manufacturers use grams per cubic centimeter to indicate the weight of their products, others merely provide the specific gravity of their material. PA-12 1.02 WebSpecific gravity is the ratio of the density of a substance to the density of the same volume of water. Continue reading to learn more! The member-related functions have been closed due to the deactivation of cookies. The American Society for Testing and Materials (ASTM) is an organization that defines and sets standards to ensure good quality and workmanship. trailer <<76879325294511da977e001124da1668>]>> startxref 0 %%EOF 9 0 obj<>stream 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! Engineering Forum 0000136804 00000 n The information is provided by 0000132332 00000 n This website uses cookies to collect necessary user browsing behaviors so that we can provide you with a better browsing experience. Note: Both densities need to be in the same unit as they will cancel each other and produce SG. 2023 Ji-Horng Plastic Co., Ltd. All rights reserved. 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 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. Engineering Calculators 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. 0000151915 00000 n Section Properties Apps 0000005504 00000 n HDPE 0.96-0.97 0000018128 00000 n Engineering Standards These specialty materials have densities of up to 15 g/cc yet still have the moldability of plastics. Strength of Materials Bad0Ai2qe5a>/=Amk.uB^Hfd]hG!+lqqTDlz!" 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. 0000156682 00000 n 0000016671 00000 n In the next blog post, we will explain which of these plastic types can be recycled and which not, so stick around! 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. 0000135081 00000 n Specific Gravity (SG) is defined as the ratio of warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with 10XX,52,11XX,17,12XX,7,13XX,4,15XX,16,3XXX,2,40XX,10,41XX,12,43XX,5,44XX,4,46XX,5,47XX,3,48XX,3,5XXX,23,6XXX,3,71XX,1,8XXX,22,92XX,5,93XX,1,94XX,4,98XX,2,AISI,66,ASTM,172,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Austenitic,56,Boiling-Point,94,bp1,97,CBS,6,Chemical-Elements,100,Chemical-Symbol,217,CMDS,13,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,CS,17,CVS,3,Density,297,Duplex,6,el1,100,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,111,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Ferritic,12,fp1,38,fs1,45,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,l1,438,LCS,21,List,281,lp1,69,Martensitic,6,MCS,17,MDS,14,Melting-Point,96,mm1,2,mp1,99,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,p1,44,Period-Number,107,pr1,53,Properties,40,RCLS,1,RCS,16,ref1,5,RRCLS,3,RRCS,4,SAE,201,Site,2,SMS,5,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,SS,80,Tests,2,Thermal-Conductivity,105,tm1,274,Valence-Electrons,98,wt1,26, Materials: 2022: Specific Gravity of Plastic (& Formula, Definition, Infographic), 2022: Specific Gravity of Plastic (& Formula, Definition, Infographic), https://1.bp.blogspot.com/-qPMKZ48g6Vg/XRPSAE54r4I/AAAAAAAAOsY/VpY75KLZ6O4JJdZeUM1jyrM_g0N8xDB3QCLcBGAs/s320/specific-gravity-of%2Bplastic.webp, https://1.bp.blogspot.com/-qPMKZ48g6Vg/XRPSAE54r4I/AAAAAAAAOsY/VpY75KLZ6O4JJdZeUM1jyrM_g0N8xDB3QCLcBGAs/s72-c/specific-gravity-of%2Bplastic.webp, https://materials.gelsonluz.com/2019/07/specific-gravity-of-plastic-formula.html, Not found any post match with your request, STEP 2: Click the link on your social network, Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy, CBSE Class 10 Chemistry Chapter 2 Important Questions and Answers. Gears Design Engineering This broad range of flexible Tygon tubing products are engineered to meet many user specifications including chemical resistance, fluctuations in temperature, abrasion, high purity and long servicelife. 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. We don't collect information from our users. You have no items in your cart. the molded piece as compared to the weight of an equal volume of water 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. 0000162752 00000 n Threads & Torque Calcs Mass Versus Structural Shapes 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. The difference of Density & Specific Gravity. or in connection with, the use of this information. Polyvinyl acetate 1.19 Specific Gravity means specific value of an object under normal temperature and pressure. 0000004435 00000 n To sum up, its a no-go. 0000050964 00000 n This information can be used to tell whether plastic will float (or sink) if dropped in water (Buoyancy). It holds the number one spot because of its widespread utility. 0000163869 00000 n One of the most basic differences between varieties, however, can be found in how much they weigh. 0000131261 00000 n Power Transmission Tech. Google use cookies for serving our ads and handling visitor statistics. 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. Because its made with long unbranched polymer chains its much stronger and thicker than PET.