Polypropylene density.
The melt density of an HDPE with a solid density of .
Polypropylene density In Imperial or US customary measurement system, the density is equal to 53. 39 Soft drink and water bottles, peanut butter containers, salad dressing and vegetable oil containers 2 HDPE High-density polyethylene 0. DIN 52612 : kJ/(kg*K) 1. Plastics density. 895 - 0. Appearance: Polypropylene is a translucent or opaque material. Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. 15K) at standard atmospheric pressure. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar. Belonging to the group of polyolefins, this polymer is non-polar and partially crystalline. Unlike polyethene, the density of crystalline and amorphous regions differs just slightly. 49 Poor - 0. HDPE is a stronger, more rigid polymer that is often used in bottles, pipes, and buckets. That’s why we collected these methods The commercial polypropylene (PP) homopolymers are usually of the isotactic form, having high molecular weight, semicrystalline solids having melting points in the range of 160–165 °C, low density (0. 92 g/cm³, making it one of the lightest polymers available. 035 0. Mar 10, 2025 · The coefficient of thermal expansion is less for polypropylene than for high-density polyethylene. 024: 0. 90-0. 91 to 1. * Volumetric mass density of Plastics (plastic) in other popular units: = 1. 2 pound per cubic foot [lb/ft³], or 0. Cost incurred to carry out different polypropylene density all you need to know testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Polypropylene (PP) was discovered in 1954 and grew a strong popularity very quickly. Density of Plastics Density is calculated by dividing the mass of the material by the volume and is normally expressed in g/cm3. It is produced via chain-growth polymerization from the monomer propylene. 03 - Polystyrene PS Sep 6, 2001 · Polypropylene is a highly versatile and economical thermoplastic polymer. Physically, PP is lighter with a density of 0. 988 D570 Water Absorption, 24 hrs (%) <0. 037: Acetal, 20% Polypropylene weighs 0. 860: Poly(1-octadecene) 0. 88 Apr 4, 2025 · Density. 20 : Thermal capacity . This low density a To obtain specific gravity, divide density in lb/in 3 by 0. 92 grams per cubic centimetre. 52 ounce per cubic inch [oz Dec 3, 2023 · Learn what polypropylene density is, how it affects its properties, and how it varies depending on the manufacturing process. Which is the toughest plastic in the world? Oct 3, 2023 · Plastic bottle caps made from polypropylene have a density of 0. Additives are applied to all commercially produced polypropylene resins to protect the polymer during processing and to enhance end-use performance. 895 and 0. Le point de fusion du polypropylène est de 337 °C. DIN 52612-1 : W/(m*k) 0. It is more heat resistant Apr 17, 2025 · Polypropylene. Dec 23, 2022 · The most common polyethylene grades are low-density polyethylene (LDPE) and high-density polyethylene (HDPE). 855 g/cm3 (amorphous) or 0. 905g/cm³ Mechanical Properties Value Unit DIN/EN/ISO Tensile strength at yield 30 MPa 527/D638 Elongation at yield 8 % 527 Modulus of elasticity in tension 1600 MPa 527/D638 Impact strength No br. 830: Poly(1-pentene) 0. Chemically, PP has a methyl group attached to alternate carbon atoms, while HDPE has a linear, non-branched hydrocarbon chain. 2000. Find the density values of different polymers and plastics at standard room temperature and pressure. However, PP has a slightly lower level of migration compared to PE due to its higher density and lower porosity. 225731283 [oz/US fl oz] (Avoirdupois ounce per fluid ounce) Sep 8, 2018 · PP homopolymer is a thermoplastic, further classified as a polypropylene plastic. Density: 886 kg/m 3 Scales: milligram, bench scale Categories: general polymer. Download raw data Explore a curated list of density values for different polymers and plastics in both SI (kg/m³) and US customary (lb/ft³) units. 456 kg. Polypropylene has a density range of 850 to 940 kg/m3, depending on its form and structure. The data is gathered from literature sources and presented as obtained with no guarantees. Branching, reinforcing and filling PP are some techniques to produce plastics Polypropylene glycol or polypropylene oxide is the polymer (or macromolecule) of propylene glycol. Propriétés thermiques du polypropylène Polypropylène – Point de fusion. Because of extensive research, five main variations of Polypropylene have emerged as: homopolymers, impact (block) copolymers, random copolymers, rubber Apr 9, 2024 · 4. Find the density and other engineering properties of polypropylene homopolymer, random copolymer, impact copolymer and TPOs in English and SI units. Polypropylene has a melting point of 165-175°C and a glass transition temperature of 0°C. 02 MECHANICAL D638 Tensile Strength (psi) 4,800 4,800 4,300 D638 Tensile Modulus (psi) 195,000 - - Feb 15, 2024 · Polypropylene, abbreviated as PP, is a versatile thermoplastic with a low density, high melting point, and exceptional chemical resistance. 96 Milk jugs, detergents, household cleaners, motor oil containers, some garbage bags Material Formula Density g cm-3 Flammability Limiting oxygen index % Optical Polypropylene PP 0. Density is typically measured in kilograms per cubic meter (kg/m³) or pounds per cubic foot (lb/ft³), depending on the unit system being Dec 15, 2023 · Density: Density of the plastic material in grams per cubic centimeter. , density, viscosity, thermal conductivity), converting units, and designing systems like heating and water distribution. 89 – 0. 89 to 0. Find formulas, examples and applications of polypropylene in engineering and design. PP - Polypropylene. It is partially crystalline, non-polar and resistant to fats and organic solvents. 759 g/cc; the melt density of this material is less than 80% of the solid density. Skip to content. Flexibility: Polypropylene is a flexible material Polypropylene Natural PPH / PP-DWST - Homopolymer Colour: Natural Density: 0. PP is normally tough and flexible, especially when copolymerised with ethylene. strong and rigid; resistant to a variety of acids and bases; may be damaged by some solvents and chlorinated hydrocarbons; maximum usable temperature 140 o F (60 o C) These include a lower density, higher softening point (PP doesn't melt below 160oC, Polyethylene, a more common plastic, will anneal at around 100oC) and higher rigidity and hardness. 6. 95 g/cm³; Polypropylene (PP): Density ≈ 0. 162 : Thermal conductivity . 920 grams per cubic centimetre, so the parts made from it have a very low weight. The density values for various plastic materials are: Polyethylene (PE): Low-Density Polyethylene (LDPE): Density ≈ 0. The two main polypropylene applications are injected molded parts and fibers and filaments. The density of PE ranges from 0. Polypropylene vs. PP has an average density of 0. 52 ounce per cubic inch [oz The density of PP is between 0. Composition of POLYPROPYLENE: Density (g/cm 3) = 9. 897 0. Properties for some of the materials above represent a specific grade, formulation, specification, or brand including the following: Acetal (Homopolymer), Acrylic (Continuously Processed), DuPont™ Vespel® Polyimide (Vespel® SP-1), ECTFE (Halar® 901), ETFE (Tefzel® HT-2183), Expanded PVC (Celtec® 3mm-12mm thickness), KYDEX Dec 31, 2022 · Polypropylene is typically produced in two different forms: a homopolymer and a copolymer. Traditionally, if a molder wanted to estimate the shot capacity of a given barrel, he would take the ratio of . Water Absorption At Saturation. 92 g/cm3) of the resins used in packaging. The density of polypropylene is known to range from 0. Apr 29, 2025 · Polypropylene (CAS 9003-07-0) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices Oct 18, 2022 · You can measure the specific density of the plastic material by dividing the density of the object on the density of the water. 9 gram per cubic centimeter or 900 kilogram per cubic meter, i. It has excellent stiffness and tensile strength. 92 grams per cubic centimeter, lighter than seawater’s average density of 1. Density is a crucial factor when selecting materials for manufacturing. 86: Ethylene/propylene copolymer-60% ethylene: 0. Notez que ces points sont associés à la pression atmosphérique standard. This lower density contributes to its lighter weight compared to PE. 94 g/cm3, or 900 to 920 kg/m3, depending on the material’s specific design and method of production. Density: Polypropylene has a density of 0. Jan 15, 2016 · PP is the lightest type of plastics with a density of 0. e 0. Which is the toughest plastic in the world? May 24, 2023 · PP is often used for packaging products that require high-temperature sterilization. In terms of migration, both PE and PP are considered to be low-risk materials as they have low levels of migration into food products. 90 to 0. 91 g/cm³, less rigid, and offers better flexibility and fatigue resistance. com +1(800) 735-2331. 91 kg cm −3). Tensile Strength Density of Plastic Values, Shrinkage, Draft Angle, SPI Mold Class & Conversion Reference Charts. Polyethylene: Applications and Uses Apr 21, 2025 · density of epp foam. 905 g/cm3, while PE has an average density of around 0. Find out how polypropylene density relates to its melting point, strength, stiffness, transparency, and chemical resistance. * View additional table for data – click material name. The monomer of polypropylene is propylene. 97 g/cm³, with low – density polyethylene (LDPE) being more flexible and high – density polyethylene (HDPE) being more rigid. Polypropylene is a thermoplastic polymer with a density of 0. Density of Plastics is 1175 kg/m 3 (Approx. TYPICAL PROPERTIES of POLYPROPYLENE ASTM or UL test Property Homopolymer Co-Polymer Flame Retardant PHYSICAL D792 Density (lb/in³) (g/cm³) 0. 90 g/cm³; Polyvinyl Chloride (PVC): Learn more about ExxonMobil Product Solutions polypropelene product properties and their uses through technical product data sheets. It features a uniform molecular structure, with all methyl groups aligned on the same side of the polymer chain, which enhances its crystallinity and mechanical performance. density of polypropylene, amorphous is equal to 855 kg/m³. The operational synergy between Braskem’s plants and offices around the world enables it to better meet the growing needs Sep 10, 2024 · Plastic density is a vital factor that greatly influences the performance and application of plastic materials. b To convert coefficient of expansion to 10-6 in/in-°C, multiply table value by 1. supported the plastic chain by developing more modern and innovative products, sponsoring expositions and events related to the plastics industry and by providing technical know-how and expanding production capacity. As a result, PP is the lowest-density product of plastic. Polypropylene, amorphous weighs 0. 04 and come up with a multiplier of . Varying properties are exhibited by different types of polypropylene, which is usually dependent on the crystallinity, molecular weight distribution, length of the chain, and the isotacticity of the macromolecule. If the plastic is filled with appropriate mineral substances such as talcum or glass fibres, the range of mechanical properties is significantly extended. 895 to 0. This molecular arrangement imparts unique physical, mechanical, thermal, and electrical properties, making sPP valuable across diverse industrial and research applications. Specific Gravity (SG) is defined as the ratio of density of the material to the density of water (1 g/cm3) at a specified temperature. 9 HB 18 - Fair 1. 0. 946 g/cm3 (crystalline). 027 grams per cubic centimeter, and float in seawater. Compared to polyethylene (PE) it has superior mechanical properties and thermal resistance, but less chemical resistance. Polypropylene’s density varies from 0. Applications The polypropylene density is between 0. Density: Density represents the mass of the material per unit volume. 2 g/cm 3 56 to 76 lb/ft 3. Fusion welding with a hot nitrogen gun is practical for both materials when the technique is learned. A Specific Grafity of less than 1 means that the material will float in water. 92. e. 92 g/cm 3. In simpler terms, it indicates how much mass is packed into a given volume of EPP foam. 8. Therefore, PP is the commodity plastic with the lowest density. Listed below you will find the reasons why polypropylene is commonly used in our daily life: - Light in weight For example, PP has the lowest density (i. 038: ABS, High Impact: 1. 860: Polypropylene, atactic: 0. Polypropylene also has high strength and rigidity. 376 pound per cubic foot [lb/ft³], or 0. Expanded polypropylene (EPP) foam density refers to the mass of the foam material per unit volume. Polypropylene also happens to be one of the lightest plastics available with a density of 0. May 17, 2025 · Please contact us for a detailed quote for your polypropylene density all you need to know testing needs. Learn about the density, strength, melting point, thermal conductivity and other properties of polypropylene, a white, rugged and heat-resistant plastic. The site includes resources for common engineering tasks, such as calculating physical properties (e. Understanding its structure and material properties is crucial to appreciating its wide-ranging applications. 9. It has the lowest density amongst widely-used commodity plastics. 91 g/cm3. 037: Acetal, 20% High-density polypropylene The density of a plastic is its mass per unit volume, and it is typically expressed in either grams per cubic centimeter or kilograms per cubic meter. 91 to 0. 052: 0. 52 ounce per cubic inch [oz Polypropylene is an engineered thermoplastic used in packaging as well as a variety of other applications. ; for polypropylene and PETE/PVC). 905 g/cm². density of polypropylene is equal to 900 kg/m³; at 20°C (68°F or 293. kJ/m ² 179/D256 Apr 7, 2025 · Polypropylene (PP) and High-Density Polyethylene (HDPE) differ in several key aspects. In Imperial or US customary measurement system, the density is equal to 56. Polypropylene (PP atactic) 850 Polypropylene offers a good balance of chemical, thermal and electrical properties with moderate strength. Crystal Structure: Polypropylene has a predominantly isotactic crystal structure. 38-1. Polypropylene Material Density: Why It Matters. 855 gram per cubic centimeter or 855 kilogram per cubic meter, i. PP has a slightly lower density, typically between 0. 92 g/cm³. The physical properties of polypropylene: Density: 0. 70 : Coefficient of linear thermal expansion Jan 31, 2025 · Polypropylene is also recyclable, adding an eco-friendly aspect to its list of benefits. 91 g/cm³. Source: Samples cut from 0. Polypropylene has a low density of 0. 01 0. Molding parts with lower weight and more parts of a given mass of plastic can be made with lower density. 866: Polymethylhexadecylsiloxane: 0. Home; Polypropylene weighs 0. PP (polypropylene): The density of PP is between 0. 5. Learn more about its history, types, uses and production. 90–0. 957 g/cc is only . [1] Chemically it is a polyether , and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907. Room Temperature Density Values for Polymers: Material: Density: g/cm 3: lb m / in 3: ABS, Extrusion Grade: 1. 4942 ounce per cubic inch [oz/inch³] . 941 g/cm3, making it the denser of the two PLASTIC DENSITY TABLE Resin ID Code Name Density (g/mL) Uses Plastics 1 PETE Polyethylene terephthalate 1. 500000: COMPOSITION: Atomic number Fraction by weight; 1: ISO 11357-3 °C . 850: Ethylene/propylene/diene terpolymer-50% ethylene/4% diene: 0. Density. Polypropylene is processed using injection molding, blow molding, extrusion, and CNC machining, which are all processes we can do here at Xometry. 33 cm thick, 30 cm by 30 cm commercially available cast sheet. g. Low-density polypropylene grades […] Polypropylene weighs 0. Polypropylene's density typically ranges from 0. Polypropylene (PP) and polyethylene (PE) are two commonly used materials that differ significantly in their respective densities. 957/1. For polypropylene, the density value is approximately: $913$ kg/m_ Example: A polypropylene sheet with a volume of 500 cm_ can be expected to have a mass of: Mass = Volume x Density = 500 cm_ x 913 kg/m_ = 0. It is a strong and tough material with good chemical resistance. 6791930896 [oz/cu in] (Avoirdupois ounce per cubic inch) = 1. Homopolymeric polypropylene is the most common grade, whereas copolymeric polypropylene is less common. It is a good electrical insulator and has a low thermal conductivity. Properties of polypropylene. Transparency: Polypropylene is generally not transparent, but can be made translucent. 00000E-01: Mean Excitation Energy (eV) = 56. 860: Poly(1-hexene) 0. Syndiotactic polypropylene (sPP) is a distinct form of polypropylene characterized by its regular alternating stereochemical structure. Density (g/cc) Poly(4-methyl-1-pentene) 0. 0361; for density in lb/ft 3, multiply lb/in3 by 1728; for g/cm 3, multiply density in lb/in 3 by 27. 90 g/cm3. How to reduce the plastic density of the plastic material? In many cases, you need to reduce the plastic density of the plastic material to be suitable for your application. Homo-polymer PP (HPP) has a market share of 65-75%. lightweight; temperature up to 180 o F (82 o C) highly resistant to acids, bases and many solvents; usable in laboratory plumbing; PVC - Polyvinyl Chloride. 905 0. 92 g/cm³; High-Density Polyethylene (HDPE): Density ≈ 0. 95-0. Bulk Density / kg/m3 Printed Part Density / kg/m3 Mean particle size d50 / um Melting Temperature / oc Crystallization Temperature / oc Melt Volume Flow Rate / cm3/1 Omin Mechanical Properties Tensile Strength / MPa Tensile Modulus / MPa Tensile Elongation at break / % Flexural Strength / MPa Flexural Modulus / MPa Flexural Elongation at break / % The density of a material can have significant implications for its various uses. LDPE is a soft, flexible polymer that is often used in food packaging and grocery bags. Understanding the density ranges of common plastics, along with modification methods and their effects, allows for more informed selection and utilization of plastic materials across diverse fields. 68; for kg/m 3, multiply density in lb/in 3 by 27,679. 033 0. The melt density of an HDPE with a solid density of . The first polypropylene resin was produced by Giulio Natta in Spain, although commercial production began in 1957. 175 [kg/L] or [g/mL] or [g/cm 3] or [t/m 3] = 0. Oct 3, 2023 · Plastic bottle caps made from polypropylene have a density of 0. sales@stelray. 86: Poly(1-butene) 0. Costs of some ASTM testing methods start from $100 and the final value Isotactic polypropylene (PP) is a widely used thermoplastic polymer known for its high strength, rigidity, and excellent chemical resistance. It has a good Density (lb/in³) (g/cm³) 0. bayemrqlbjhjxfgkbkemulrpioccclmqiwmjnzdijivdj