0000006688 00000 n i.e. And The SI unit is Kg/m3. 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. In 1988, the Society of the Plastics Industry introduced the Resin Identification Code (RIC) system which divided plastic resins into 7 different categories. 1 gallon of water weighs 8.33 lbs. These Thermo Scientific Nalgene bottles are lightweight versions of lab-quality bottles and can perform light-duty, general purpose work. 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. 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. This information can be used to tell whether plastic will float (or sink) if dropped in water (Buoyancy). Polytetrafluorethylene 2.27, Working Days & hours Details for Alfa Plast Mould, Alfa Plast Mould 2008 | All Rights Reserved. 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. or damage, or any loss or damage whatsoever arising from loss of materials, time or profits arising out of, 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. or in connection with, the use of this information. Plastics have a really wide specific gravity range depending on its composition. The difference of Density & Specific Gravity. But they can also be found on mobile phones and, more frequently, in compact-discs (CD). Plastics Synthetics Ultimate tensile strength is the maximum stress the thermoplastic material can withstand before failing, whichever occurs at the higher stress level. 0000012608 00000 n 0000102892 00000 n 0000002953 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. 0000117341 00000 n 0000133447 00000 n This information can be used to tell whether plastic Animals do not recognize it as artificial and may mistake it for food causing serious effects on the health of birds or marine animals that might swallow it. Fluids Flow Engineering 0000019679 00000 n 0000156682 00000 n One of the most basic differences between varieties, however, can be found in how much they weigh. 0000134268 00000 n 0000163869 00000 n 0000160831 00000 n So, keep reading! You can target the Engineering ToolBox by using AdWords Managed Placements. 0000124911 00000 n ABS 1.04-1.07 2023 Ji-Horng Plastic Co., Ltd. All rights reserved. Minerals and other Materials - Specific Gravities Specific gravities for minerals and other materials. 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. These specialty materials have densities of up to 15 g/cc yet still have the moldability of plastics. Threads & Torque Calcs Also, it is relatively hard and resistant to impact and can be subjected to temperatures of up to 120 C without being affected. 0000171239 00000 n 0000149107 00000 n WebThough some manufacturers use grams per cubic centimeter to indicate the weight of their products, others merely provide the specific gravity of their material. 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. But if youre new to the industry, or dont work in a technical role, the information stated on material data sheets can leave you more confused than when you started. Hardware, Metric, ISO Tensile yield strength is the maximum engineering stress in psi (or Pa) at which a permanent non-elastic deformation of the thermoplastic material begins. Physics Economics Engineering Our Polycarbonate sheet offers a levelof safety that no other clear glazing material can match. trailer <<76879325294511da977e001124da1668>]>> startxref 0 %%EOF 9 0 obj<>stream Flat Plate Stress Calcs LDPE is used for the infamous plastic bags that are usually used for a few seconds and then discarded. Polyvinyl chlorideis the world's third-most widely produced syntheticplasticpolymer. 0000143715 00000 n Excel App. (You will help other colleagues find this blog). Polyamide Spring Design Apps 0000117111 00000 n More frequently, however, anything over 1.53 is called high-index. 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. Definition: Density v.s. 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. Do you have a packaging idea and need some guidance on which material is best? 0000014066 00000 n 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. respect to the website or the information, products, services, or related graphics contained on the website for any purpose. 0000141220 00000 n Lubrication Data Apps Materials with an index between 1.53 and 1.57 are sometimes considered mid-index, while 1.58 and greater is considered high-index. 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. PA-11 1.04 However, various factors can affect density such as crystallinity, loss of plasticizer or absorption of solvent. Some of our calculators and applications let you save application data to your local computer. In order to help you make better-informed decisions about the products that you buy, today we will go through the seven different types of plastic, how they differ, and their impact on the environment. Water's weight is one gram per cubic centimeter - a material with, for example, 1.5 specific density would then weigh 1.5 grams per cubic centimeter. Videos Design Manufacture ), Copyright 2000 - Polychloroprene rubber 1.23 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! Whether your business is local or global, we can help to ensure that your products meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world. 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). Beverage bottles are among the main plastic items that come for PET. This site requires JavaScript to function. Specific gravity is the ratio of the object's density to the density of water, i.e. Viscosity Chart. 2023, by Engineers Edge, LLC www.engineersedge.com View Cart. 1, Zhongshan Rd., Dacun Township, Changhua County 515, Taiwan (R.O.C. 0000157774 00000 n 0000142018 00000 n In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss 0000002356 00000 n Thermodynamics Directory | Heat Transfer Directory, Specific Gravity Table Chart and Equation. Training Online Engineering. POM 1.41-1.43 +hSm)/BNy-G:ipb4m(5i9 18N 2Y9 E7q!#5qnc"w2T.Cz(k4l@Ar$.n(*piE1uh%UF?x]*t4\J4j1i,/7Mq$``'> One of the most remarkable features of plastic is just how greatly its features can vary from variety to variety. The specific gravity of a substance is a comparison of its density to that of water. Specific gravity and density are especially relevant because plastic is sold on a cost per pound basis and a lower density or specific A Specific Gravity of less than 1 means that the Specific Gravity (SG) is defined as the ratio of It holds the number one spot because of its widespread utility. AddThis use cookies for handling links to social media. 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. It is common to use the 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. Because its made with long unbranched polymer chains its much stronger and thicker than PET. For convenience's sake, we have converted the specific gravities provided by the manufacturers of our products to grams per cubic centimeters. Our network of more than 1,000 laboratories and offices in more than 100 countries, delivers innovative and bespoke Assurance, Testing, Inspection and Certification solutions for our customers' operations and supply chains. 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. 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! 0000135081 00000 n 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. 0000168199 00000 n 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. The best-known plastics of this group are polycarbonates(PC) used to build strong,toughproducts. Friction Engineering 0000159988 00000 n 0000124655 00000 n Polysulphone 1.24 0000144583 00000 n Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! It is 250 times stronger and just as clear as glass. The purpose was to provide a consistent national system to facilitate recycling of post-consumer plastics." Polyethylene terephtalate 1.34-1.39 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. 0000124088 00000 n This test is often seen with the designation ASTM D792. 0000146514 00000 n General Fax: 860-963-1998, Understanding Your Data Sheet: Density & Specific Gravity, So youve narrowed down what material you need thanks to our. For PS the melt density is 0.945 g/cm 3 and for PP it is about 0.74 g/cm 3. 0000153750 00000 n Engineering Calculators WebThe 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. Strength of Materials 0000173123 00000 n WebDensity of Plastics Material: Technical Properties Table. Therefore, for the same 1cm volume, the melted plastic weighs less than the solid plastic (0.933 g/cm vs. 1.054 g/cm). 0000072608 00000 n Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. 0000136804 00000 n This may also be referred to as relative density. | Contact, Home 0000173991 00000 n I'm Gelson Luz, mechanical engineer, welding specialist and passionate about: I am building this blog to be the best learning blog about engineering! 0000124314 00000 n Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. The specimen is weighed first in air (Weight A), and then weighed when immersed in distilled water at 23C (Weight B). Section Properties Apps 0000142860 00000 n 0000015048 00000 n Plastic Corp. carries an excellent selection of spray bottles perfect for cleaning. Any reliance you place on such information is therefore strictly at your ownrisk. Engineering Forum 0000014816 00000 n Some manufacturers may consider testing and certification an obstacle to overcome to get to market. 7 0 obj<> endobj xref 7 103 0000000016 00000 n Hardware, Imperial, Inch 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. Manufacturing Processes We are still (just barely) within our 8-oz barrel capacity, but unfortunately Mr. Murphy is still lurking. Phone: 860-963-1976 0000147303 00000 n 0000117718 00000 n : The units cancel out in the ratio. 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. First, we have to know that the formula of density is: As formula shown, density is total mass of the object divided by total volume of object, which means: 1 gram per cubic centimetre or 1 kilogram per cubic metre.Density of water is1 gram per cubic centimeter (1 g/cm3), but actually, the exact density of water is not really 1 g/cm3, but rather a bit less (very, very little less) than 1, so we can say thatgenerally the weight and volume of water is the same.What's the meaning of "Specific Gravity"?Specific Gravity means specific value of an object undernormal temperature and pressure. The American Society for Testing and Materials (ASTM) is an organization that defines and sets standards to ensure good quality and workmanship. 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. 0000129490 00000 n 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. 0000131261 00000 n WebSince the density of a fluid varies with temperature, specific gravities must be determined and specified at particular temperatures. Learn More, Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. 0000170169 00000 n The lower the density or SG of a particular material, the more material per pound or surface area you will get. Other custom sizes of trays, special partitions, flanges, outlets, etc. This website uses cookies to collect necessary user browsing behaviors so that we can provide you with a better browsing experience. +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 0000005946 00000 n Urine normally has a specific gravity between 1.003 and 1.035. Only emails and answers are saved in our archive. 0000165724 00000 n These applications will - due to browser restrictions - send data between your browser and our server. 0000151051 00000 n How about an incentive to share this post? Example: A gallon of oil weighs 9.5 lbs per gallon9.5 lbs / 8 = 1.187 specific gravity. WebSpecific Gravity Information. Because of this difference, when comparing polypropylene sheet to PET sheet, holding constant gauge and size, customers can see approximately a 30% density reduction from PET to PP and an increased yield on pounds purchased. Web800.789.1718. 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. Web1 28768 DENSITY OF PLASTICS What is Density of plastic: The density of a substances is generally known as mass per unit volume. 0000042285 00000 n PA-12 1.02 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. Pumps Applications Polybutylene 0.60 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). Now we need a minimum of 6.16 x 1.28 or 7.88 oz of shot capacity. Pressure Vessel 0000175797 00000 n Sponsored Links All rights reservedDisclaimer | Though some manufacturers use grams per cubic centimeter to indicate the weight of their products, others merely provide the specific gravity of their material. 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. Therefore, the specific gravity is a unitless number. Cleaning & Industrial U.S. Available in a range of sizes these trays have many industrial uses. 0000011164 00000 n Second, polystyrene foam blows in the wind and floats on water, due to its low specific gravity. Helium gas has a density of 0.164g/liter It is 0.139 times as dense as air . Electric Motor Alternators Finishing and Plating The information is provided by Materials and Specifications 0000051762 00000 n 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. Each one is different from the other and has different uses. 0000139528 00000 n 0000174998 00000 n The standard test method for the determination of density and specific gravity This website uses cookies to collect necessary user browsing behaviors so that we can provide you with a better browsing experience. With superior resistance to discoloration, impact, and chemicals, acrylic plexiglass sheet is ideal for any application. The member-related functions have been closed due to the deactivation of cookies. Note: Both densities need to be in the same unit as they will cancel each other and produce SG. dixonvalve.com. Acrylic sheeting, commonly referred to as plexiglass sheeting, is the most common alternative to traditional glass. ?qbC2]2F 0000166558 00000 n Not all plastic is born equal. 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. Putnam, CT 06260 SPECIFIC GRAVITY- The ratio of the weight of the molded piece as compared to the weight of an equal volume of water ASTM D792. 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! Gears Design Engineering 3t6/8lM2-lA 0000145640 00000 n 0000169321 00000 n 0000152962 00000 n Copyright 2000 - 2023 United States Plastic Corporation. 0000172297 00000 n 0000009713 00000 n In fact, PET bottles arethe most widelyrecycled plasticin the world! To sum up, its a no-go. Hydraulics Pneumatics 0000140352 00000 n ,unv . 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. All prices and offers subject to change. Feedback Advertising This bucket is economically priced, while still featuring premium bucket quality and durability. Friction Formulas Apps Health effects vary depending on the resin and plasticizers in this plastic that often can be special ordered. 0000005127 00000 n 0000138434 00000 n
Vivak Sheet has become a staple in the point-of-purchase industry due to its economic advantages compared to polycarbonate and superior impact strength over acrylic. 0000167357 00000 n Learn More, Density and Specific Gravity ASTM D792, ISO 1183, K-SHOW:Visit us at K2022: Supporting Polymers and Materials Development, NEW SERVICE:CircularAssure - Services to help you close the loop in the circular economy for plastics, ARTICLE:Processability and evaluation programmes for recycled plastic materials, ARTICLE:Adhesives Quality Assurance Testing Programs, ARTICLE:Enabling Polymer Non-Wovens Development, CASE STUDY:Polymer Surface Contamination Resolution, CASE STUDY:Polymer Failure - Distribution and Dispersion of Fillers, Ensuring the Safety and Performance of Electrical Products, Testlopedia - The Plastics Testing Encyclopedia, Plastics Circular Economy Solutions - CircularAssure, Physical and Mechanical Testing of Polymers, Thermal Analysis of Polymers and Plastics, Polymer Regulatory and Consulting Services, Polymer Product Processing Development Support, Microbeads and Microplastics Testing and Consultancy, Coatings and Thin Films Analysis and Testing, Supporting Polymers and Materials Development, Processability and evaluation programmes for recycled plastic materials, Adhesives Quality Assurance Testing Programs, Polymer Failure - Distribution and Dispersion of Fillers. ~P2p@0$:+mbsuz! 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. 0000006910 00000 n 0000148052 00000 n Mechanical Tolerances Specs 0000176664 00000 n When mixed with other substances, It can be made softer and more flexible and applied to plumbing, wiring, and electrical cable insulation and flooring. Applications and Design 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. Specific Gravity Ethylene-propylene 0.86 WebSupplier: U.S. Polycarbonates are commonly used for eye protection in the creation of lenses for sunglasses, sport and safety goggles. 9;-h3UR{SD bD=NSH3)0lefD}n 81 c+0!o XFu#N/? Method A is the more common test method used, and can be performed with sheet, rod, tube and molded pieces of plastic materials that are not affected by water. Specific . Bearing Apps, Specs & Data PVC 1.37-1.39 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 %PDF-1.4 % WebSpecific gravity is the ratio of the density of a substance to the density of the same volume of water. 0000005093 00000 n On top of this, plastics number 7 is almost never recycled. Intertek is the industry leader with employees in 1,000 locations in over 100 countries.
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